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  • PCM1821: Analog versus Digital GND

    TI Thinks Resolved
    Part Number: PCM1821 Other Parts Discussed in Thread: PCM1822-Q1 We need to make sure our PCM1821 (or PCM1822-Q1) board is as quiet as possible, but the system we're connecting to is fairly noisy. Thus we want to isolate our analog signals, power, and…
    • Answered

  • PCM1821: Connection Recommendation for Unused Analog Inputs

    Resolved
    Part Number: PCM1821 Other Parts Discussed in Thread: PCM1822-Q1 , PCM1820 , PCM1820-Q1 If only one channel of the PCM1821 analog input pair is needed, what is the recommended connection for the other pair? Does this same recommendation apply to PCM1820…
    • Resolved
    • Answered

  • PCM1821: Question of Input Offset Specification of PCM1821 ADC

    Resolved
    Part Number: PCM1821 Other Parts Discussed in Thread: PCM1804 Hi Sirs, Would you please advise the input offset specification (Vos) of PCM1821 ADC? It is not available in current datasheet in public domain - www.ti.com/.../pcm1821.pdf Thank you and Best…
    • Resolved

  • PCM1821: word length 16bit

    Part Number: PCM1821 Other Parts Discussed in Thread: LMX2571 , TLV320ADC3120 , , TLV320ADC3100 Hi expert, My customer is using TLV320ADC3120 with LMX2571 I2S FSK mode. TLV320ADC3120 can adjust the word length to 16bit. Also LMX2571 input is 16bit…
    • Answered

  • PCM1821: Are single-ended inputs supported?

    Resolved
    Part Number: PCM1821 Other Parts Discussed in Thread: PCM1820 I would like to use the PCM1821 with RCA single-ended inputs, but it is not obvious from the datasheet if it will work with IN1M and IN2M connected to capacitors to AGND. Will the 2Vrms input…
    • Resolved
    • Answered

  • PCM1821: Distortion of input impedance

    Resolved
    Part Number: PCM1821 Hi team, Typical value of input impedance is 10kHz as the datasheet. Could you share the distribution or similar one? Is the distortion changed by Fs? Best regards, koyo
    • Resolved

  • PCM1821EVM: SDOUT output of PCM1821 is not working

    TI Thinks Resolved
    Part Number: PCM1821EVM Other Parts Discussed in Thread: PCM1821 Hello, I'm testing the PCM1821 using PCM1821EVM. But SDOUT of I2S signal is not working properly. I have confirmed the signals for BCLK and FSYNC that are working. Following is…

  • PCM1861-Q1: PCM1861-Q1 Crystal & Osilator

    TI Thinks Resolved
    Part Number: PCM1861-Q1 Other Parts Discussed in Thread: PCM1821-Q1 , PCM1821 Tool/software: I'm using PCM1861-Q1 ADC with H/W conrol mode and I2S format by connection 12.288MHz OSC as below to make a default 48KHz Fs rather than 24.576MHz Crystal. It…

  • PCM1861-Q1: PCM1861-Q1 ADC Oscilator or Cyrstal usage

    TI Thinks Resolved
    Part Number: PCM1861-Q1 Other Parts Discussed in Thread: PCM1861 , PCM1821-Q1 , PCM1821 , Tool/software: Hi All, I'm using PCM1861 ADC with H/W conorl mode and I2S format by connection 12.88MHz OSC as below to make a default 48KHz Fs rather than 24…

  • PCM1821EVM: spec check

    TI Thinks Resolved
    Part Number: PCM1821EVM Other Parts Discussed in Thread: PCM1821 , PCM4201 , DRV134 Hi PCM1821 transmits 32-bit two-channel data. The customer's product actually only has a mono signal. When the back-end MCU receives the I2S dual-channel data, it needs…

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