LMP7731 is the input transistor NPN or PNP whichever?
LMP7731 is the input transistor NPN or PNP whichever?
View ArticleOPA2140 SPICE Macro-model
Hello,I have tried to convert the provided PSPICE macromodel for the OPA2140 from PSPICE to SPICE format. Specifically I need to convert the format so I can import the model into Cadence Virtuoso...
View Article36v 1a spi programmed power supply
TIPD138 - Test board for SPI programmable 16-bit, 36V, 1A Power Supply with Integrated Current Shunt - i am gone through the above paper provided by the ti design.i have some doubts regarding the input...
View ArticleClik here to view.
LM321 / VOH at V+=5V
Hi Team, Could you tell me minimum VOH value at V+=5V?Datasheet shows the value at V+=30V, however there is no value at V+=5V. Best Regards,Yaita / Japan disty
View ArticleConfiguring LMP91200 EVM
I am trying to configure the settings of the LMP91200 EVM to do temperature measurements and use other settings than the default values. I have a microcontroller with an SPI library included in the IDE...
View ArticleOPA2188 and LTSpice: Incorrect DC solution
Hi,I'm trying to simulate a small circuit using the OPA2188 model file and LTSpice.I've set up a transient simulation and noticed that the DC solution is not reasonable while the transient response...
View ArticleLM331
HiCan you help with below/attached:The attached design produce isolation for a DC input supply The main idea based on Voltage to frequencies -> Optocoupler (For Isolation) -> Frequencies to...
View ArticleTLC073 shutdown input levels
What is the required input high voltage on the TLC073 to guarantee normal operation? The datasheet specifies <0.8V to be sure the part is in shutdown; we would like to drive the pin with a 3.3V CMOS...
View ArticleClik here to view.
some question about op
Please explain the action of C4, and why one of his pin need to pre stage to the C3?Please explain the role of R14, why it should be connected to op amp input beforeclass?Thanks
View ArticleXTR110 Failure
Hello there.I need some help in troubleshooting a problem we are having with the XTR110 V to I Transmitter.We are experiencing repeated failures in Production of an XTR110 current source.This design...
View ArticleLMV339/393 Input terminal circuit
Hi,My customer uses the LMV339/393.In my customer's using condition, the input terminal is applied the voltage on VDD=0V.The current which flows to the input terminal is different from LMV339 and...
View ArticleTLV2762IDGK supply current out of spec, solder problem?
Hello all,we use TLV2762IDGK which show too much supply current at 3,3V. ( About 20 times too much; no current out of the output! All impedances on the in- and outputs well behaved :-)This failure...
View ArticleLMP2022
For any linear amplifier with 2 inputs V1 and V2 : output V0=A1V1-A2V2+Constant.For an opamp A1>0 A2>0 A1approximately = A2 but A1can be < A2 or A1>A2If we define : Vcm=(V1+V2)/2 and...
View ArticleAMC1100 / detail of block diagram and resolution
Hello,Could I have the detail of AMC1100 block diagram ?Can I use block diagram in the following URL one ?http://e2e.ti.com/support/amplifiers/precision_amplifiers/f/14/t/330584.aspxAlso, I think that...
View ArticleINA330 / Impact for output error by tolerance of Rset and Rg
Hi All,Our customer hope to know the impact for output error by tolerance of Rset and Rg. I understand that the electrical characteristics and typical characteristics in datasheet is specified with...
View ArticleClik here to view.
INA12* Large Offset Problem
Hi all. I have been working on an instrumentational amplifier circuit to amplify a 0-10mv differential voltage (Loadcell) up to 0-2.5V to be read by and Arduino ADCCurrently I have tried using an...
View ArticleAMP.
Do you have any suggestion for amplifier to reach 5dbm output since it is low power output with CDC3S04EVM
View ArticleXTR111 IS pin voltage
I would like to confirm XTR111 operation.The customer uses XTR111 without regurator operation. In this case, the problem occured.In the case of OD="High", VG voltage was higher than IS votage + 7V. (I...
View ArticleClik here to view.
INA128 output load related distortion
Re: INA128 Load-related DistortionI'm working on a board with a(n) INA128, I assume of Burr-Brown origin.The device measures a voltage across a 680ohm resistor R15--see attached schematic photo, (1)...
View ArticleAFE031 is it possible to bypass the internal Power Amplifier with external...
The below post is in the C2000 forum, regarding the AFE031 for high temp PLC.I believe AFE031 questions should be in the Precision Amps...
View Article