LMP2012 input bias current
Hello,I've got a question about the input bias currents on the LMP2012 :The "5V DC Electrical Characteristics" table in the datasheet specifies a typical input current of -3pA at 25 degrees C and a...
View ArticleSensorTag (cc2650) with DevPack connected LMP91000EVM.
Hello, I can not get the I2C function: "bool bspI2cWriteRead(uint8_t *wdata, uint8_t wlen, uint8_t *rdata, uint8_t rlen)" on the bsp_i2c.c module to return (the program stops forever) when I make a...
View ArticleAbout opa2227
Hello,dear sir or madamI need some help about op-amp opa2227.Situation is like that, I give the system one 100uV sine input signal, after 4-stageopa227 magnified 100 thousant times, the waveform...
View ArticleLMP7721 specifications at cold temperatures(-20C)
Hi,We are investigating to use a bare die version of LMP7721 at cold temperatures.Some key parameters at cold temperatures are missing from the specification.So could I get the following...
View ArticleTLV2316/OPA2316
Hi, do you have any plan to qualify the above devices or similar part numbers as automotive?ThanksUmberto
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OPA454 failures
I've had several OPA454 parts fail in the same circuit, used to provide a high impedance input to a resistor divider in the position of U24 in the below schematic.U22 has had no such failures. The...
View ArticleALM2402A high impedance feedback resistors
Hi,I want to use the ALM2402A in a BTL configuration to drive a 32Ohm speaker, powered from a single 12V supply.I used the TINA-TI simulation to test the circuit and I see that with 1K feedback...
View ArticleCould I publish a translation of tidu765
@John Caldwell,thank for your reply.I read the article "Sing-supply, Electret Microphone Pre-Amplifier Reference Design". I am really like it, because it's really lack reference material about ECM...
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INA333+TLV2454 Question
Hi TI members:This is Hung and I have a HW problem for ECG application by using TI INA333 and TLV2454.It execute ADC conversion by MCU after the RA/LA signal pass through a series of INA333 and TLV2452...
View ArticleLF198H Sample and Hold Circuit
Question : I am trying to use the LF198H as a peak detector. The supply voltage to the "metal can" is +15 volts and - 15 volts. The input signal is -10 volts to +10 volts. I used to use a Analog...
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TLC2652 inverting DC, large noise at V-
Hi Everyone,I am trying to use TLC2652 in inverting unity gain configuration to invert my DAC DC output.I followed the below schematic for my design. additionally, placed a 0.1uF cap crossed R2.The...
View ArticleSearching for precision op amp similar to TLC2264 but with higher output...
Hello,I am trying to find a suitable op amp for my application. I need something very similar to TLC2264 but with higher output current capability. Unfortunately, the output current capability isn't a...
View ArticleOPA2376 | V,os at VCM = 0V (single supply)
Team-Fig. 23 of the OPA2376 data sheet indicates that V,os begins to degrade as V,cm -> 0V.The data sheet spec's V,os for V,cm = Vs/2.How much degradation of V,os can we expect when V,cm ->...
View ArticleSlew rate limiter for the creative processing of sound
Hi,Would like to hire someone to help me adapt this circuit for the DIYRE Colour format. The goal would be to slow the transient response of the incoming signal and introduce a bit of distortion. Maybe...
View ArticleVGA with gain error close to 2.5%?
Hi,Would anybody be able to recommend a variable gain amplifier that has a maximum gain error less than or equal to 0.21dB (close to 2.5%)? The amp would need to have:a gain range of at least 24dBa...
View ArticleLMV881 / about test condition
Hi,Regarding Output Voltage Swing vs Load Current for LMV881, the datasheet page 9 and figure10, what is voltage for V- ?In addition, customer would like to use the devices that have a low drop output...
View ArticleLMC7101AIM p2p compatible with low offset
Hello team,Too have better performance in an old board, my customer would like to found an AOP p2p compatible with the LMC7101AIM with a better offset,The main point is to find a solution with power...
View ArticleHow to build envelope tracking power amplifier
I ordered LM3290 and LM3291 chips trying to build envelope tracking power amplifier evaluation board, could you please send me technical data sheet design schematic example ? Do you have evaluation...
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OPA340 RC Filter & Sampling Frequency.
Dear TI empployee.We don't use RC network filters as shown below.1. If we don't use RC network filters problems. 2. I know that OPA340 serise optimized for driving medium speed(Up to 100Khz) sampling...
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TLV2371-Q1 in GND fault condition
Hi,I need your help to find an op amp that I think is thought to select in or Database. The spec I’m looking for I think is not present in the Datasheet. I need to buffer a front-end used in automotive...
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