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  • PGA112: SPI Read

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    Part Number: PGA112 Other Parts Discussed in Thread: PGA113 Hi Champs, via the SPI interface and the DIO pin it is possible ot read form the PGA112 device. What data can you actually read from it? I did not find this in the documentation.
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  • PGA112: QUERY related to gain

    TI Thinks Resolved
    Part Number: PGA112 Why the gain of most PGA's are in binary steps like 1,2,4,8,16 and so on .or in steps of 10 like 1,10,100 and so on...?
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  • PGA112: PGA112 SPI Communication

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    Part Number: PGA112 Hi TI team~ As far as I know, the PGA112 device doesn't offer a SPI interface with daisy-chain. But I would like to use SPI communications to work with several PGA112 devices together. These can be used common SPI interface? and…
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  • PGA112: Current input

    TI Thinks Resolved
    Part Number: PGA112 Hi, One of my customers is using PGA112 and noticed the following: Both the Analog and Digital part of the PGA112 are being supplied with 5V. As soon as the output goes into saturation [Vin x Gain >= 5V] CH1 stops being high impedance…
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  • PGA112: Common Mode Input Voltage

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    Part Number: PGA112 Hi, I have a question regarding -> Datasheet 9.1.1 OPAMP: Input Stage, transition between the NMOS and PMOS transistor. Typically the offset voltage starts to show big deviations around VCC-1.5V (Fig. 66 and 67). This is different…
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  • RE: PGA112: PGA112 - V out not at Vref, at Vdd

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    // SETUP for STM32F4 processor (uses CMSIS) // DEFINES USED #define PGA112_CS GPIO_Pin_7 #define PGA112_SCK GPIO_Pin_13 #define PGA112_MISO GPIO_Pin_14 #define PGA112_MOSI GPIO_Pin_15 #define SET_GAIN_1 (uint16_t)0x2A11 #define SET_GAIN_2 (uint16_t)0x2A11 …

  • PGA112: PGA112: Will the PGA112 or other PGA be suitable for driving a low bandwidth signal into the THS4551 into a 24-bit Sigma Delta ADC?

    Part Number: PGA112 Other Parts Discussed in Thread: OPA330 , ADS127L01 , INA333 , THS4551 I have been evaluating the ADS127l01 (24-bit delta sigma adc) for the purpose of digitizing frequencies in the ~10-250 Hz bandwidth from a geophone The eval board for…

  • PGA112: Measuring single-ended values close to GND

    TI Thinks Resolved
    Part Number: PGA112 Other Parts Discussed in Thread: REF3230 , OPA2364 , TINA-TI , OPA364 , OPA363 I am intending to use the PGA112 amplifier to measure voltages with a wide dynamic range. Peak voltage to be measured is 60 V, scaled to < 3V with a 100k /…

  • PGA112: Will the PGA112 be suitable for driving the ADS127l01 (24-bit delta sigma adc)

    Part Number: PGA112 Other Parts Discussed in Thread: ADS127L01 , ADS1282 , , THS4551 Hi T.I., I have been evaluating the ADS127l01 (24-bit delta sigma adc) for the purpose of conditioning seismic data from a geophone sensor ~10-250 Hz. The eval board for…

  • About PGA112 gain calculate confuse

    Other Parts Discussed in Thread: PGA112 Hi Ti, Im JD from Taiwan. I had two question about PGA112. <1> Document issue PGA112 datasheet ,page 36 table 9 I calculate the Maximum Signal by Page 33 Vout = G x Vin - AVdd /2 x(G -1). I calculate the Max…

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