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Amplifiers forum
Hi, I am wondering of calculating input impedance of OPAMP.I kind of understand why input impedance is R1 in above circuit.But I think current from source also flows to feedback loop.Then, why we do...
View ArticleWEBENCH® Tools: tlv320aic23evm2
Tool/software: WEBENCH® Design ToolsAnika,About tlv320aic23evm2 ,in slave mode ,input signal from linein,don't anything in lineout. Have you solved it?If you have solved it, please tell me...
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TPS2480: Questions of Layout
Part Number: TPS2480HiThere are some layout guide in datasheet, I have two questions:1. Gate amplifier have hign bandwidth means can accept more noise, so need the trace short, is this right? or some...
View ArticleDS90C185: About this notation "DS90C185(Transmitter)"
Part Number: DS90C185Hi.Please tell me the meanings of this notation "DS90C185(Transmitter)", like Fig 5 "DS90C185 (Transmitter) Input Clock Transition Time".I think "DS90C185 (Transmitter)" and...
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AM3358: [AM335X Starter Kit] Switch configuration supporting Giga Byte Ethernet.
Part Number: AM3358Hi. thereI want to create a configuration like this:Except for the data that comes to me, I want to send it to another port as it is.Q1. Can I configure with the AM3358 Starter...
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TAS5805M: pop issue when the sound volume is about -60dB using TAS5805M
Part Number: TAS5805MHi,customer found that on their board, when the volum lower than -60dB, we can hear the pop sound. With the volum goes up, the pop sound will gradually disapper. the noise not...
View ArticleSN75DP159: HDMI no display
Part Number: SN75DP159Hello expert,My customer got a FA case and the issue is their NB cannot show the screen to HDMI display. After A-B-A testing, we know that issue does follow IC. And impedance is...
View ArticleTAS5756M: Is there a document for TAS5756M register manual ?
Part Number: TAS5756MHI Is there a document for TAS5756M register manual ?
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TPS65987D: PD can't work after SPI ROM load
Part Number: TPS65987DHi Team, I got a problem when use TPS65987D on a new project, the problem is PD can't work, I measured the SPI wafeworm when power on, it likely loaded, but the GPIO0,1,2,3 and...
View ArticleMSP430F5418A: How to re-write boot code back?
Part Number: MSP430F5418AHi team,My customer speculated that during the test flash write, the flash at the boot loader address may be written out.Is there any way to re-write the boot code of...
View ArticleUCC256402: Highest switching frequency and Ton at startup
Part Number: UCC256402Hi expert,My customer need to know how to calculate the highest switching frequency and Ton at startup. Could you offer any help on this?ThanksSheldon
View ArticleSolution for translate YUV/RGB to differential signal or USB signal
Hi team,My customer wants to translate YUV/RGB to differential signals or USB signals to improve the EMI issue.Could you kindly provide a solution?Thanks and best regards,Jamie
View ArticleADS1278-EP: ADS1278-EP
Part Number: ADS1278-EPfor ADS1278-EP ADC, should SPI interface clock is connected oscillator (or) SPI master interface clock (or) from any other timers (which generates sufficient clocks)?and also...
View ArticleCCS / CC1310：How does sensor controller configure adc and timer in RTOS
Part Number: CC1310Tool/software: Code Composer StudioHow does sensor controller configure adc and timer in RTOS?Adc acquisition and timing function for low power operation
View ArticleTMS320F28335: Measure 1kHz signal using eCAP
Part Number: TMS320F28335Hello All,I am working with TM320F28335 microcontroller. I am planning to use eCAP module to measure duty cycle, frequency of an external signal of 1kHz.As i went through the...
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TLV320ADC3140: Questions for TLV320ADC3140 to support 4 analog MICs + 1...
Part Number: TLV320ADC3140Hi Experts,We want to check with you if we can achieve 4 analog MICs plus 1 digital MIC for TLV320ADC3140 via TDM mode, it looks like we can do this from the device block...
View ArticleAM6548: execute command 'rproc init' failed in u-boot
Part Number: AM6548Hi TI,The command 'rproc init' failed in u-boot and the CPU number is PSN6548ACDXBS1 . The log is as follows:=> rproc initti-sci processor set_config failed: -19rproc configure...
View ArticleFDC2214EVM: Setup a differential measurement with active shield and precise...
Part Number: FDC2214EVMHi,I am looking to build a differential measurement system using two co-planar capacitance sensors for liquid dielectric constant measurement, with active in-phase shielding for...
View ArticleWEBENCH® Tools/LM5170: Possibility to use as boost and also like buck
Part Number: LM5170Tool/software: WEBENCH® Design ToolsHi, I have variable input voltage for example from 18V to 30V (Pb batteries or alternator), I would like to use LM5170 like a boost converter.How...
View ArticleCCS: Issue on uboot compilation with CCSV9
Tool/software: Code Composer StudioHi,I followed the guide provided by TI for uboot compilation in CCSI have installed CCS V9Facing following issue upon compilationCC lib/asm-offsets.scc1: error:...
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