selecting opamp for sensing piezo generated voltages?
Dear sir,I am working on Structural Health monitoring project in which i need to sense the voltage generated by piezo.This piezo has capacitance near about 5nF and it generates voltage waveforms of...
View ArticleUAF42: notch filter for transimpedance amplifier
Part Number:UAF42Hi, I have an application where I am measuring ion current using a Faraday cup in a vacuum chamber. For our measurements, we have a Keithley 616 picoammeter and it does pretty well...
View ArticleLMH3401EVM: Gerber files for Eval board PCB
Part Number:LMH3401EVMFrom the documentation (sbou145) it's not clear but it appears to have solid ground plane on all inner layers, is this correct? Are gerber files available for the Eval...
View ArticleOPA4192: Offset voltage datasheet issues
Part Number:OPA4192Support Path: /Product/Development and troubleshooting/Hi,I'm developing a circuit with OPA4192 that will be under a larger temperature span (-40 to +125oC). It's a precision...
View ArticleTHS7530: Gain drift due to temperature?
Part Number:THS7530Hello,we want to use two THS7530 in series as VGA in an HF-Ultrasound application, espacially because its good noise performance. But we are a bit confused that there isn't any...
View ArticleOPA192: Maximum Voltage on Signal Pins
Part Number:OPA192Hello,I'm working with the OPA192 in my system and need to design our circuit to handle lightning strikes.The lightning pulse (1500V @ 60A and 750V @ 150A) will enter the "Vin signal...
View Articledevice reference
Hello friends,I am trying to convert sine wave to square wave using zero cross detector with op amp.input: 500mV AC 1.2MHzoutput: +or-Vcc gate pulse for MOSFET Please any one suggest the circuit...
View ArticleDRV2700: Higher Wattage DRV2700
Part Number:DRV2700Hello E2E,I am wondering if there is a higher power piezo speaker driver than the DRV2700. Something around 20W. Thanks!Russell
View ArticleOPA4171: To know the max sink current of OPA4171
Part Number:OPA4171Hi Expert,The RD would like to know max sink current of OPA4171.Since the spec not listed this.Pls advice.Best regards,Eric Lai Field Application EngineerTexas Instruments Taiwan...
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OPA2340: OPA2340 inquiry about range of use
Part Number:OPA2340Hi. TII would like to use a 0 to 4.7V range with a single power supply design with the OPA2340. However, when TEST is applied, the output is not available for inputs below 300mV. Can...
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OPA2340: Inquiry about OPA2340 input signal level
Part Number:OPA2340Hi. TIThe OPA2340 is designed and tested. We want to use it as 0 ~ 4.7V signal input. However, when the circuit is configured as below, no signal is output when the signal input is...
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THS7360: Gain issue
Part Number:THS7360Hi Sirs,Sorry to bother you.We have use THS7360.1. Could you help check the schematic is OK ?2. Our SF Channel VGA IN RGB is 700mV, But after passing SF Channel output will be 3v....
View ArticleXTR106: Temperature range of XTR106
Part Number:XTR106I have read the manual of XTR106, and I was puzzled by the temperature ranges.Specification -40~85Operating -55~125Storage -55~125What is the difference between the specification...
View ArticleTLV2771: App. note SLOA033A - signal conditioning piezoelectric sensors
Part Number:TLV2771Can some one please give me detailed derivation of higher cutoff and lower cutoff frequencies of charge mode and voltage mode amplifier given in application note sloa033a?I have...
View ArticleINA2141: Op-Amp design
Part Number:INA2141Hi,Please refer below requirementsInput Voltage: 0.2 to 3VOutput voltage: 0 to 11VOutput Current: 12mAVs: 12V or 1.8V or 3.3V can be providedPlease let me know how to implement this...
View ArticleXTR116: Has the XTR been used an a UL approved design for Hazardous Locations...
Part Number:XTR116SUMMARY============We're investigating a design based on the XTR116. When completed, the design will be submitted to UL for approval (i.e. use) in a Hazardous Location (i.e. UL 913)....
View ArticleXTR117: Driving a 4-20mA transmitter with a MCU DAC
Part Number:XTR117RE XTR117: Can I ground pin 3 (-Vin ) and let the DAC on my MCU drive pin 2(+Vin)? I understand the two circuits will not be isolated so I wonder is I would have to bring a chassis...
View ArticleOPA192: Replacement with larger Vs range
Part Number:OPA192Hello,I had designed the OPA192 into a circuit and it was running off of V+ = 28V and V- = -5V. However, I realized that I don't have a wide enough margin on the Vs tolerance.Assuming...
View ArticleOPA2134: OPA2134 Thermal information
Part Number:OPA2134Hi,I would like to confirm following information.* Rθja, Ψjt and ΨjbIt seems that there is no information about thermal information in datasheet.At least, could you please confirm...
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TLV2211: source resistance affection to the output noise of low noise OPA
Part Number:TLV2211Hi,Using the following circuit to build a board to evaluate the output noise mainly in 0.1~10Hz. Power supply single +3.3V is provided by battery. Finds that R1~R4 resistance has...
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