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Showing 280 results View by: Thread Post Sort by
  • PCM1808: PSRR and VREF generation

    Danilo A.
    Danilo A.
    TI Thinks Resolved
    Part Number: PCM1808 Hi Team, Posting on behalf of our customer. How is VREF generated? The datasheet says that VREF=Vcc/2. This suggest to me that VREF is derived from a voltage divider within the the IC and has very little rejection of power…
    • 11 months ago
    • Audio
    • Audio forum
  • Answered
  • PCM1808-Q1: Power supply power-on and power-off timing requirements

    jiaxuan xu
    jiaxuan xu
    Resolved
    Part Number: PCM1808-Q1 The power supplies for the PCM1808-Q1 component are as follows: VCC (Analog supply voltage) 4.5-5.5V; VDD (Digital supply voltage) 2.7-3.6V; I would like to know if there are any special requirements for the power-on and power…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • PCM1821-Q1: Antialias LPF from PCM1808

    Youhei Miyaoka
    Youhei Miyaoka
    TI Thinks Resolved
    Part Number: PCM1821-Q1 Other Parts Discussed in Thread: PCM1808 , PCM1821 Hello team, My customer think to use PCM1821 for next project. In previous project, they used PCM1808. Seeing from datahseet, PCM1821 does not have Antialias LPF in Functional…
    • 11 months ago
    • Audio
    • Audio forum
  • Answered
  • PCM1808-Q1: power timing quesion

    Qin zhiqiang
    Qin zhiqiang
    Resolved
    Part Number: PCM1808-Q1 Other Parts Discussed in Thread: PCM1808 Tool/software: Hi TI teams, our project use PCM1808 as a analog to digital device, analog power supply is 5V power rail, digital power supply is 3,3V power rail, but i don't find any power…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • PCM1808: No output signal

    Marius THOMAZEAU
    Marius THOMAZEAU
    Resolved
    Part Number: PCM1808 Tool/software: Hello there, It is my first time asking a question on the forum ! I am trying to make my PCM1808 work with an ESP32 but I can't get any signal on the output... I've checked all received signals on the chip and…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • PCM1808-Q1: PCM1808-Q1 TEMPERATURE RANGE

    Allen yang
    Allen yang
    Part Number: PCM1808-Q1 Other Parts Discussed in Thread: PCM1808 , Hi Team PCM1808QPWRQ1 TEMPERATURE RANGE Please provide Rjt,Rjc,Rjb parameters Thank
    • over 2 years ago
    • Audio
    • Audio forum
  • PCM1808-Q1:intermittent noise every 4 seconds

    TEOBALDO LOPEZ
    TEOBALDO LOPEZ
    Other Parts Discussed in Thread: PCM1808-Q1 , TAS5548 , PCM1808 Número de pieza: PCM1808-Q1 Herramienta/software: Greetings. I'm working on a degree project involving the TAS5548 and the PCM1808. After various configurations due to noise, I realized…
    • over 1 year ago
    • Audio
    • Audio forum
  • PCM1808: SCKI question

    Stanley Ho
    Stanley Ho
    Part Number: PCM1808 Tool/software: Hi, One customer is using PCM1808 as master. They would like to know if the waveform of SCKI is something like as in the diagram, can the PCM1808 output normal BCK and LRCK? Their original input was square wave…
    • over 1 year ago
    • Audio
    • Audio forum
  • Answered
  • DIT4096: DIT4096 transmitter with PCM1808 ADC

    ionut remus Remus
    ionut remus Remus
    Resolved
    Part Number: DIT4096 Other Parts Discussed in Thread: PLL1708 , PCM1808 Tool/software: Hello, I have made the project from the Schematic added here. Created a PCB and after powering it on it seems that it doesn't work. After reviewing several times…
    • Resolved
    • over 1 year ago
    • Audio
    • Audio forum
  • PCM1808-Q1: Does the PCM1808QPWRQ1 have any special requirements for the power-up and power-down sequence of VCC and VDD?

    jiaxuan xu
    jiaxuan xu
    TI Thinks Resolved
    Part Number: PCM1808-Q1 Hi, I want to know if there are any special requirements for the power-up and power-down sequencing of VCC and VDD on the PCM1808QPWRQ1.
    • 1 month ago
    • Audio
    • Audio forum
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