INA117: power supply sequencing
Part Number:INA117are there any power supply sequencing considerations for the INA117. For example, if -5V negative rail is applied first and then +27V positive supply rail, how would the output...
View ArticleACF2101: Questions on the specification of the ACF2101
Part Number:ACF2101Hello,I have some questions on some of the specifications of the ACF2101 that I could not find in the datasheet.What is HBM/CDM (ESD) rating for this part?Need recommended solder...
View ArticleLMC7101Q-Q1: Part is getting damage overtime of period
Part Number:LMC7101Q-Q1What could possibly happen if my V+ and V- is not there (0 V), but some amount of signal is going through INV and NON-INV pins? Would this damage the IC? Will I be exceeding...
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OPA388: need help on use OPA388 transfer current signal to Voltage
Part Number:OPA388Hello Sir:I am trying to build a precision Current to Voltage transfer circuit by OPA388. As follow, load is R2(10k) After build it on breadboard, I test it and find out a noise when...
View ArticleLMP2232: supply current in datasheet for single channel or dual?
Part Number:LMP2232Hi teamThe supply current in the datasheet is for single channel or dual? e.g. 17uA(typ) at 3.3V is for dual?Regards,Noriyuki Takahashi
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VCA810: input voltage
Part Number:VCA810HiI have some question about the configuration and input voltage condition.1. This is our configuration circuit. Is there any concerns ? 2. There is the characteristics graph of...
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DRV135: Audio Line Driver circuit review request.
Part Number:DRV135Hi TI,Audio Codec L, R Output The DRV135UA (6dB AMP) is attached to each line to configure the circuit to perform Single Ended output.On the datasheet, only DRV134 is shown for Single...
View ArticleDRV135: Gain problem
Part Number:DRV135 I am currently using DRV135UA from TI in my design. I am using it as single ended to differential conversion circuit. Power supply for the IC is +15V,-15V with 1uF capacitor on both...
View ArticleOPA2189 Availability
Currently designing industrial control board and OPA2189 looks like it would be a -great- fit. However, for this to be remotely feasible, we would need samples by 1-Oct-2017 and production parts by...
View ArticleXTR117: Failed on field O/P 0A
Part Number:XTR117Dear Sir,We are using XTR117 as a V to I (4 to 20) convertor.AC voltage from the field (0 - 2.5 Vac) is applied to an Op-Amp based circuit which converts it to (0 - 5Vdc) DC.This...
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VCA810: DC input
Part Number:VCA810HiThere is the characteristics graph of frequency and gain on the datasheet. What does this graph mean? Is DC(=low frequency) input acceptable?Our customer measured the output voltage...
View ArticleTINA/Spice/OPA4134: 2nd order low-pass filter
Part Number:OPA4134Tool/software:TINA-TI or Spice ModelsHow to implement 2nd order low-pass filter by difference amplifier input within one amplifier part. Cross frequency about 600kHzThanks
View ArticleOPA693: OPA693 mix/max supply operating range when 5V single supply use
Part Number:OPA693Hi Team,OPA693 single supply range is 5V to 12V.When customer use 5V single supply(typical), is there any requirement min/max supply for guarntee OPA693 operation?In case of maximum...
View ArticlePGA280: input bias current seems over spec limit ?
Part Number:PGA280We seem to experience increased input bias current with these devices compared to what the datasheet reports as a limit.Compared to the reference design PGA280EVM in our...
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Test DC current with INA326 ,the range is 20uA - 50mA
I want to test a DC current ,the range is 20uA - 50mA, the expected precision for uA is 5% and 1%-2% for mA; I want to choose INA326 with Low-Side Current Shunt Measurement ,the Vs for INA326 is 3.3V...
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INA129: INA129 for bio signal application
Part Number:INA129Hi,Referring to the attached schematic, I've slightly modified example application of INA129 and was wondering whether what I'm trying to achieve here makes sense, and if it is the...
View ArticleVCA810: Input , Output range vs gain
Part Number:VCA810Hello,Our customer evaluating VCA810 with input voltage= -1V to +1V and gain=0dB, however, the output voltage has clamped.I have heard their operation conditions and settings and...
View ArticleTINA/Spice/VCA810: Simulation with AC input sweep(AC10mV -> AC100mV)
Part Number:VCA810Tool/software:TINA-TI or Spice ModelsHi allWould you mind if we ask TINA-TI simulation with VCA810?Please refer to following file.(Please visit the site to view this file)On this...
View ArticleINA129: Unexpected Output Voltage Saturation - INA129
Part Number:INA129I am using a INA129 to amplify a +/-200mV signal.To start, I set the INA129 with these parameters: V+ = +15V, V- = -15V, REF = GND, Rg = 22.2K Ohm, Output Load = 1K Ohm (Vo to GND)....
View ArticleAMC1301EVM: AMC1301 analog input section
Part Number:AMC1301EVMHi teamMy customer wants to change from AMC1200 to AMC1301 to improve offset voltage.I think analog input of AMC1301EVM do not need the filter (made by resistance and capacitance)...
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