On 02/16/2017 03:28 PM, John Larkin wrote:> On Thu, 16 Feb 2017 18:01:28 -0000 (UTC), Frank Miles > <fpm@u.washington.edu> wrote: > >> On Thu, 16 Feb 2017 08:33:48 -0800, DemonicTubes wrote: >> >>> On Thursday, February 16, 2017 at 9:27:38 AM UTC-7, bitrex wrote: >>>> On 02/16/2017 11:15 AM, DemonicTubes wrote: >>>>> Does anybody here have experience with MAX4208/MAX4209? >>>>> >>>>> Current project is going to need an instrumentation amplifier, looking at my inventory all I have is some through hole INA111 that still have Burr-Brown stamped on them (probably bought them in the mid 90s)...time to upgrade my stock! >>>>> >>>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally there seems to be a trade off between V and I input offsets, but these chips have good values for both. I even noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is mentioned by name in this chapter). This chip is much cheaper than the others and has some of the best specs...what am I missing? I have had colleagues in the past recommend not designing in Maxim chips, but I can't remember why. I've only ever used their 232 and 485 transceivers (and they have been very reliable). >>>>> >>>>> Anybody want to talk me out of using this chip? And if so, recommend an alternative? I'm hoping for similar performance under $4 in quantities of 1000. >>>>> >>>>> Thanks. >>>>> >>>> >>>> I believe there's a saying in this NG: "Friends don't let friends use >>>> Maxim." >>>> >>>> Were the 232 transceivers from Texas Instruments? They make the best >>>> Maxim parts >>> >>> That is too funny, you just made me check my stock. The MAX232s are indeed TI parts! The MAX483s are, however, Maxim. What troubles have you had with Maxim parts? >> >> We've used "genuine Maxim" MAX232s with success. Nice to have multiple >> sources, an increasingly rare phenomenon! One of our more significant >> products has a Maxim flyback controller chosen due to a niche combination >> of voltages, currents, and efficiency. So far it's remained available >> over more than a decade of production. >> >> OTOH we've had issues with ICs from a variety of manufacturers, >> including TI. In general the more complex chips have less comprehensible >> data sheets and bigger operator traps. It's not surprising. Even >> Tektronix in its glory days had the occasional clunker 'scope. >> >> Sadly, Maxim seems to have a widespread reputation of interesting >> parts that are or become unobtanium. > > I read an interview with the CEO where he said that they deliberately > make their pinouts nonstandard. > > OK, I deliberately don't buy their parts. > >When I worked "high end audio retail" it seemed like there were a few distributors that liked to engage in what we called "advanced sales prevention" tactics, like say refusing to drop ship $4000 worth of gear to a well-respected customer of ours on a deadline because there was some minor technical issue with our dealer license agreement and "it'll take a few days to process the new form." Well, okay. If you insist.
Maxim Instrumentation Amplifiers
Started by ●February 16, 2017
Reply by ●February 16, 20172017-02-16
Reply by ●February 16, 20172017-02-16
On 02/16/2017 03:25 PM, John Larkin wrote:> On Thu, 16 Feb 2017 11:42:34 -0500, bitrex > <bitrex@de.lete.earthlink.net> wrote: > >> On 02/16/2017 11:33 AM, DemonicTubes wrote: >>> On Thursday, February 16, 2017 at 9:27:38 AM UTC-7, bitrex wrote: >>>> On 02/16/2017 11:15 AM, DemonicTubes wrote: >>>>> Does anybody here have experience with MAX4208/MAX4209? >>>>> >>>>> Current project is going to need an instrumentation amplifier, looking at my inventory all I have is some through hole INA111 that still have Burr-Brown stamped on them (probably bought them in the mid 90s)...time to upgrade my stock! >>>>> >>>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally there seems to be a trade off between V and I input offsets, but these chips have good values for both. I even noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is mentioned by name in this chapter). This chip is much cheaper than the others and has some of the best specs...what am I missing? I have had colleagues in the past recommend not designing in Maxim chips, but I can't remember why. I've only ever used their 232 and 485 transceivers (and they have been very reliable). >>>>> >>>>> Anybody want to talk me out of using this chip? And if so, recommend an alternative? I'm hoping for similar performance under $4 in quantities of 1000. >>>>> >>>>> Thanks. >>>>> >>>> >>>> I believe there's a saying in this NG: "Friends don't let friends use >>>> Maxim." >>>> >>>> Were the 232 transceivers from Texas Instruments? They make the best >>>> Maxim parts >>> >>> That is too funny, you just made me check my stock. The MAX232s are indeed TI parts! The MAX483s are, however, Maxim. What troubles have you had with Maxim parts? >>> >> >> They bought up a bunch of Dallas parts and as I recall I found that the >> way their datasheet said you're supposed to talk to them over SPI didn't >> bear much relation to reality. >> >> I haven't really used any of their purely analog stuff, it may be OK, >> but I'm leery of getting anything that a uP needs to talk to... > > Maxim makes a digital capacitor. The 2-pin interface is > > reset > count up >Hopefully it also has two outputs, CAPACITOR and NOT_CAPACITOR
Reply by ●February 16, 20172017-02-16
On 02/16/2017 03:29 PM, John Larkin wrote:> On Thu, 16 Feb 2017 15:11:11 -0500, bitrex > <bitrex@de.lete.earthlink.net> wrote: > >> On 02/16/2017 11:53 AM, John Larkin wrote: >>> On Thu, 16 Feb 2017 11:27:33 -0500, bitrex >>> <bitrex@de.lete.earthlink.net> wrote: >>> >>>> On 02/16/2017 11:15 AM, DemonicTubes wrote: >>>>> Does anybody here have experience with MAX4208/MAX4209? >>>>> >>>>> Current project is going to need an instrumentation amplifier, looking at my inventory all I have is some through hole INA111 that still have Burr-Brown stamped on them (probably bought them in the mid 90s)...time to upgrade my stock! >>>>> >>>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally there seems to be a trade off between V and I input offsets, but these chips have good values for both. I even noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is mentioned by name in this chapter). This chip is much cheaper than the others and has some of the best specs...what am I missing? I have had colleagues in the past recommend not designing in Maxim chips, but I can't remember why. I've only ever used their 232 and 485 transceivers (and they have been very reliable). >>>>> >>>>> Anybody want to talk me out of using this chip? And if so, recommend an alternative? I'm hoping for similar performance under $4 in quantities of 1000. >>>>> >>>>> Thanks. >>>>> >>>> >>>> I believe there's a saying in this NG: "Friends don't let friends use >>>> Maxim." >>>> >>>> Were the 232 transceivers from Texas Instruments? They make the best >>>> Maxim parts >>> >>> The Max809 poweron-reset family is great, as long as you don't get >>> them from Maxim. >>> >>> >> >> ON Semi beats them on price, too. >> >> "We make the other guy's stuff better for less money" seems like a good >> business model if you can get away with it > > And you can't trademark a part number. >Could you give all your parts unique names? Like call a certain op amp the "Glompastompinator" and another the "Frazawingwong"? Probably a good way to go out of business...:-(
Reply by ●February 16, 20172017-02-16
Den torsdag den 16. februar 2017 kl. 21.30.09 UTC+1 skrev John Larkin:> On Thu, 16 Feb 2017 15:11:11 -0500, bitrex > <bitrex@de.lete.earthlink.net> wrote: > > >On 02/16/2017 11:53 AM, John Larkin wrote: > >> On Thu, 16 Feb 2017 11:27:33 -0500, bitrex > >> <bitrex@de.lete.earthlink.net> wrote: > >> > >>> On 02/16/2017 11:15 AM, DemonicTubes wrote: > >>>> Does anybody here have experience with MAX4208/MAX4209? > >>>> > >>>> Current project is going to need an instrumentation amplifier, looking at my inventory all I have is some through hole INA111 that still have Burr-Brown stamped on them (probably bought them in the mid 90s)...time to upgrade my stock! > >>>> > >>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally there seems to be a trade off between V and I input offsets, but these chips have good values for both. I even noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is mentioned by name in this chapter). This chip is much cheaper than the others and has some of the best specs...what am I missing? I have had colleagues in the past recommend not designing in Maxim chips, but I can't remember why. I've only ever used their 232 and 485 transceivers (and they have been very reliable). > >>>> > >>>> Anybody want to talk me out of using this chip? And if so, recommend an alternative? I'm hoping for similar performance under $4 in quantities of 1000. > >>>> > >>>> Thanks. > >>>> > >>> > >>> I believe there's a saying in this NG: "Friends don't let friends use > >>> Maxim." > >>> > >>> Were the 232 transceivers from Texas Instruments? They make the best > >>> Maxim parts > >> > >> The Max809 poweron-reset family is great, as long as you don't get > >> them from Maxim. > >> > >> > > > >ON Semi beats them on price, too. > > > >"We make the other guy's stuff better for less money" seems like a good > >business model if you can get away with it > > And you can't trademark a part number. >and that's why Intel started using names instead of numbers this look interesting http://www.gigadevice.com/product-category/1.html
Reply by ●February 16, 20172017-02-16
On Thu, 16 Feb 2017 12:53:17 -0800 (PST), Lasse Langwadt Christensen <langwadt@fonz.dk> wrote:>Den torsdag den 16. februar 2017 kl. 21.30.09 UTC+1 skrev John Larkin: >> On Thu, 16 Feb 2017 15:11:11 -0500, bitrex >> <bitrex@de.lete.earthlink.net> wrote: >> >> >On 02/16/2017 11:53 AM, John Larkin wrote: >> >> On Thu, 16 Feb 2017 11:27:33 -0500, bitrex >> >> <bitrex@de.lete.earthlink.net> wrote: >> >> >> >>> On 02/16/2017 11:15 AM, DemonicTubes wrote: >> >>>> Does anybody here have experience with MAX4208/MAX4209? >> >>>> >> >>>> Current project is going to need an instrumentation amplifier, looking at my inventory all I have is some through hole INA111 that still have Burr-Brown stamped on them (probably bought them in the mid 90s)...time to upgrade my stock! >> >>>> >> >>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally there seems to be a trade off between V and I input offsets, but these chips have good values for both. I even noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is mentioned by name in this chapter). This chip is much cheaper than the others and has some of the best specs...what am I missing? I have had colleagues in the past recommend not designing in Maxim chips, but I can't remember why. I've only ever used their 232 and 485 transceivers (and they have been very reliable). >> >>>> >> >>>> Anybody want to talk me out of using this chip? And if so, recommend an alternative? I'm hoping for similar performance under $4 in quantities of 1000. >> >>>> >> >>>> Thanks. >> >>>> >> >>> >> >>> I believe there's a saying in this NG: "Friends don't let friends use >> >>> Maxim." >> >>> >> >>> Were the 232 transceivers from Texas Instruments? They make the best >> >>> Maxim parts >> >> >> >> The Max809 poweron-reset family is great, as long as you don't get >> >> them from Maxim. >> >> >> >> >> > >> >ON Semi beats them on price, too. >> > >> >"We make the other guy's stuff better for less money" seems like a good >> >business model if you can get away with it >> >> And you can't trademark a part number. >> > >and that's why Intel started using names instead of numbers > >this look interesting >http://www.gigadevice.com/product-category/1.html >Yeah, interesting alternate to a much faster CPU with cache. -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
Reply by ●February 16, 20172017-02-16
Den torsdag den 16. februar 2017 kl. 22.26.07 UTC+1 skrev John Larkin:> On Thu, 16 Feb 2017 12:53:17 -0800 (PST), Lasse Langwadt Christensen > <langwadt@fonz.dk> wrote: > > >Den torsdag den 16. februar 2017 kl. 21.30.09 UTC+1 skrev John Larkin: > >> On Thu, 16 Feb 2017 15:11:11 -0500, bitrex > >> <bitrex@de.lete.earthlink.net> wrote: > >> > >> >On 02/16/2017 11:53 AM, John Larkin wrote: > >> >> On Thu, 16 Feb 2017 11:27:33 -0500, bitrex > >> >> <bitrex@de.lete.earthlink.net> wrote: > >> >> > >> >>> On 02/16/2017 11:15 AM, DemonicTubes wrote: > >> >>>> Does anybody here have experience with MAX4208/MAX4209? > >> >>>> > >> >>>> Current project is going to need an instrumentation amplifier, looking at my inventory all I have is some through hole INA111 that still have Burr-Brown stamped on them (probably bought them in the mid 90s)...time to upgrade my stock! > >> >>>> > >> >>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally there seems to be a trade off between V and I input offsets, but these chips have good values for both. I even noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is mentioned by name in this chapter). This chip is much cheaper than the others and has some of the best specs...what am I missing? I have had colleagues in the past recommend not designing in Maxim chips, but I can't remember why. I've only ever used their 232 and 485 transceivers (and they have been very reliable). > >> >>>> > >> >>>> Anybody want to talk me out of using this chip? And if so, recommend an alternative? I'm hoping for similar performance under $4 in quantities of 1000. > >> >>>> > >> >>>> Thanks. > >> >>>> > >> >>> > >> >>> I believe there's a saying in this NG: "Friends don't let friends use > >> >>> Maxim." > >> >>> > >> >>> Were the 232 transceivers from Texas Instruments? They make the best > >> >>> Maxim parts > >> >> > >> >> The Max809 poweron-reset family is great, as long as you don't get > >> >> them from Maxim. > >> >> > >> >> > >> > > >> >ON Semi beats them on price, too. > >> > > >> >"We make the other guy's stuff better for less money" seems like a good > >> >business model if you can get away with it > >> > >> And you can't trademark a part number. > >> > > > >and that's why Intel started using names instead of numbers > > > >this look interesting > >http://www.gigadevice.com/product-category/1.html > > > > Yeah, interesting alternate to a much faster CPU with cache.interesting pin and software compatible alternative to the ST MCUs with the same numbers
Reply by ●February 16, 20172017-02-16
On 02/16/2017 03:40 PM, bitrex wrote:> On 02/16/2017 03:25 PM, John Larkin wrote: >> On Thu, 16 Feb 2017 11:42:34 -0500, bitrex >> <bitrex@de.lete.earthlink.net> wrote: >> >>> On 02/16/2017 11:33 AM, DemonicTubes wrote: >>>> On Thursday, February 16, 2017 at 9:27:38 AM UTC-7, bitrex wrote: >>>>> On 02/16/2017 11:15 AM, DemonicTubes wrote: >>>>>> Does anybody here have experience with MAX4208/MAX4209? >>>>>> >>>>>> Current project is going to need an instrumentation amplifier, >>>>>> looking at my inventory all I have is some through hole INA111 >>>>>> that still have Burr-Brown stamped on them (probably bought them >>>>>> in the mid 90s)...time to upgrade my stock! >>>>>> >>>>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. >>>>>> Normally there seems to be a trade off between V and I input >>>>>> offsets, but these chips have good values for both. I even >>>>>> noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I >>>>>> also just noticed John Larkin is mentioned by name in this >>>>>> chapter). This chip is much cheaper than the others and has some >>>>>> of the best specs...what am I missing? I have had colleagues in >>>>>> the past recommend not designing in Maxim chips, but I can't >>>>>> remember why. I've only ever used their 232 and 485 transceivers >>>>>> (and they have been very reliable). >>>>>> >>>>>> Anybody want to talk me out of using this chip? And if so, >>>>>> recommend an alternative? I'm hoping for similar performance >>>>>> under $4 in quantities of 1000. >>>>>> >>>>>> Thanks. >>>>>> >>>>> >>>>> I believe there's a saying in this NG: "Friends don't let friends use >>>>> Maxim." >>>>> >>>>> Were the 232 transceivers from Texas Instruments? They make the best >>>>> Maxim parts >>>> >>>> That is too funny, you just made me check my stock. The MAX232s are >>>> indeed TI parts! The MAX483s are, however, Maxim. What troubles >>>> have you had with Maxim parts? >>>> >>> >>> They bought up a bunch of Dallas parts and as I recall I found that the >>> way their datasheet said you're supposed to talk to them over SPI didn't >>> bear much relation to reality. >>> >>> I haven't really used any of their purely analog stuff, it may be OK, >>> but I'm leery of getting anything that a uP needs to talk to... >> >> Maxim makes a digital capacitor. The 2-pin interface is >> >> reset >> count up >> > > Hopefully it also has two outputs, CAPACITOR and NOT_CAPACITOR >You're so modern. BITD it would have been SIGNAL and OUTSIDE FOIL. ;) Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC Optics, Electro-optics, Photonics, Analog Electronics 160 North State Road #203 Briarcliff Manor NY 10510 hobbs at electrooptical dot net http://electrooptical.net
Reply by ●February 16, 20172017-02-16
On Thu, 16 Feb 2017 12:05:11 -0800 (PST), Lasse Langwadt Christensen <langwadt@fonz.dk> wrote:>Den torsdag den 16. februar 2017 kl. 20.50.50 UTC+1 skrev Tim Wescott: >> On Thu, 16 Feb 2017 08:15:36 -0800, DemonicTubes wrote: >> >> > Does anybody here have experience with MAX4208/MAX4209? >> > >> > Current project is going to need an instrumentation amplifier, looking >> > at my inventory all I have is some through hole INA111 that still have >> > Burr-Brown stamped on them (probably bought them in the mid 90s)...time >> > to upgrade my stock! >> > >> > As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally >> > there seems to be a trade off between V and I input offsets, but these >> > chips have good values for both. I even noticed the MAX4209 is in the >> > table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is >> > mentioned by name in this chapter). This chip is much cheaper than the >> > others and has some of the best specs...what am I missing? I have had >> > colleagues in the past recommend not designing in Maxim chips, but I >> > can't remember why. I've only ever used their 232 and 485 transceivers >> > (and they have been very reliable). >> > >> > Anybody want to talk me out of using this chip? And if so, recommend an >> > alternative? I'm hoping for similar performance under $4 in quantities >> > of 1000. >> > >> > Thanks. >> >> It's not that Maxim doesn't make good stuff -- they do. The problem is, >> if they haven't changed their ways, that unless you're in a position to >> buy parts one entire production run at a time, their delivery is spotty. > >yeh it is as if they take every idea they have and do a small run to offer >up as samples, then if someone orders a crap ton they start real production >if not the part just disappearsThere was one Maxim part that we couldn't get delivery on. So I hired a bunch of students to request 10 samples each. That worked. -- John Larkin Highland Technology, Inc lunatic fringe electronics
Reply by ●February 17, 20172017-02-17
On 02/16/2017 11:51 AM, John Larkin wrote:> On Thu, 16 Feb 2017 08:15:36 -0800 (PST), DemonicTubes > <tlackie@gmail.com> wrote: > >> Does anybody here have experience with MAX4208/MAX4209? >> >> Current project is going to need an instrumentation amplifier, looking at my inventory all I have is some through hole INA111 that still have Burr-Brown stamped on them (probably bought them in the mid 90s)...time to upgrade my stock! >> >> As I go see what's new I find the Maxim MAX4208 and MAX4209. Normally there seems to be a trade off between V and I input offsets, but these chips have good values for both. I even noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I also just noticed John Larkin is mentioned by name in this chapter). This chip is much cheaper than the others and has some of the best specs...what am I missing? I have had colleagues in the past recommend not designing in Maxim chips, but I can't remember why. I've only ever used their 232 and 485 transceivers (and they have been very reliable). >> >> Anybody want to talk me out of using this chip? And if so, recommend an alternative? I'm hoping for similar performance under $4 in quantities of 1000. >> >> Thanks. > > Our company policy is Never Buy Maxim. > > TI and LTC are the best analog part sources these days. > > >AD is buying LTC. Hopefully that means more LTspice models for AD stuff. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC Optics, Electro-optics, Photonics, Analog Electronics 160 North State Road #203 Briarcliff Manor NY 10510 hobbs at electrooptical dot net http://electrooptical.net
Reply by ●February 17, 20172017-02-17
On 02/16/2017 07:33 PM, Phil Hobbs wrote:> On 02/16/2017 03:40 PM, bitrex wrote: >> On 02/16/2017 03:25 PM, John Larkin wrote: >>> On Thu, 16 Feb 2017 11:42:34 -0500, bitrex >>> <bitrex@de.lete.earthlink.net> wrote: >>> >>>> On 02/16/2017 11:33 AM, DemonicTubes wrote: >>>>> On Thursday, February 16, 2017 at 9:27:38 AM UTC-7, bitrex wrote: >>>>>> On 02/16/2017 11:15 AM, DemonicTubes wrote: >>>>>>> Does anybody here have experience with MAX4208/MAX4209? >>>>>>> >>>>>>> Current project is going to need an instrumentation amplifier, >>>>>>> looking at my inventory all I have is some through hole INA111 >>>>>>> that still have Burr-Brown stamped on them (probably bought them >>>>>>> in the mid 90s)...time to upgrade my stock! >>>>>>> >>>>>>> As I go see what's new I find the Maxim MAX4208 and MAX4209. >>>>>>> Normally there seems to be a trade off between V and I input >>>>>>> offsets, but these chips have good values for both. I even >>>>>>> noticed the MAX4209 is in the table in AoE 3rd Ed. page 363 (I >>>>>>> also just noticed John Larkin is mentioned by name in this >>>>>>> chapter). This chip is much cheaper than the others and has some >>>>>>> of the best specs...what am I missing? I have had colleagues in >>>>>>> the past recommend not designing in Maxim chips, but I can't >>>>>>> remember why. I've only ever used their 232 and 485 transceivers >>>>>>> (and they have been very reliable). >>>>>>> >>>>>>> Anybody want to talk me out of using this chip? And if so, >>>>>>> recommend an alternative? I'm hoping for similar performance >>>>>>> under $4 in quantities of 1000. >>>>>>> >>>>>>> Thanks. >>>>>>> >>>>>> >>>>>> I believe there's a saying in this NG: "Friends don't let friends use >>>>>> Maxim." >>>>>> >>>>>> Were the 232 transceivers from Texas Instruments? They make the best >>>>>> Maxim parts >>>>> >>>>> That is too funny, you just made me check my stock. The MAX232s are >>>>> indeed TI parts! The MAX483s are, however, Maxim. What troubles >>>>> have you had with Maxim parts? >>>>> >>>> >>>> They bought up a bunch of Dallas parts and as I recall I found that the >>>> way their datasheet said you're supposed to talk to them over SPI >>>> didn't >>>> bear much relation to reality. >>>> >>>> I haven't really used any of their purely analog stuff, it may be OK, >>>> but I'm leery of getting anything that a uP needs to talk to... >>> >>> Maxim makes a digital capacitor. The 2-pin interface is >>> >>> reset >>> count up >>> >> >> Hopefully it also has two outputs, CAPACITOR and NOT_CAPACITOR >> > > You're so modern. BITD it would have been SIGNAL and OUTSIDE FOIL. ;) > > Cheers > > Phil Hobbs >Tell us more about the old days, Pops! You ever meet Abraham Lincoln? (my friends in their 20s use that one on me a lot and I don't get a chance to return the favor much. What's Usenet? Is that like Tinder?)
