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  • PCM1690-Q1: Is it OK to connect thermal pad with GND plane?

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    Part Number: PCM1690-Q1 Hello Team, I got a question from customer about PCM1690-Q1. Is it OK to connect thermal pad with GND plane? If not, what is the reason? Thanks, Yuta Kurimoto
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    • Answered

  • PCM1690-Q1: VCC VDD power up/down sequence

    Resolved
    Part Number: PCM1690-Q1 Hi team, The datasheet mentions about the VCCx VDD power up sequence as below. I understand it means customer should power on and off at VCC and VDD simultaneously but, I cannot understand which Abs max rating is limiting it…
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  • PCM1690-Q1: Question about External component and sequence

    Resolved
    Part Number: PCM1690-Q1 Hello Team, I got question from customer as below. Can you please provide answer? Q1. Can you please let me know the min/max value of internal pull-down resistor of LRCK, BCK, RST, MS/ADR0/RSV pins? This is because in the customer…
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  • PCM1690-Q1: Question about output voltage range, and digital filter characterisitcs

    Resolved
    Part Number: PCM1690-Q1 Hello Team, I got some questions from customer. Can you answer below? Q. Regarding with analog differential output voltage spec, the typical value is shown 1.6 x VCC. Do you know the Min/Max value of this? We don't guarantee…
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  • PCM1690-Q1: ADC and DAC compatability

    Part Number: PCM1690-Q1 Other Parts Discussed in Thread: ADS1672 I am developing a new product that uses an ADS1672 ADC on the input. For the output I am using a PCM1690-Q1 DAC. I was reviewing my design when it hit me that the input ADC converts the…

  • PCM1690-Q1: Is it possible to modify the serial input rates from those shown in the datasheet?

    Part Number: PCM1690-Q1 Other Parts Discussed in Thread: ADS1672 I am working on a new project that uses the ADS1672 ADC and also uses the PCM1690-Q1 DAC. Due to how the ADC works it is possible for me to set up the timing such that I can have the ADC…
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  • TL431: About Thermal resistance

    Resolved
    Part Number: TL431 Hi Team, I understand that the difference between Thermal resistance of TL431BQDBZR(Non Q1 grade) and TL431BQDBZRQ1(Q1 grade). Therefore, I would like to know the reason. (For example, “Measurement error” etc.) By the way…
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  • [FAQ] Does TI have crosses for Cirrus Logic recent EOL or discontinued devices like CS536x ADC, CS43x5 DAC, WM8985/CS4243x Codec, CS842x SRC, and CS35L0x amplifiers ?

    Texas Instruments wide portfolio of Audio features Audio Converters , Audio Amplifiers and other Audio interface devices that are potential crosses for Discontinued, NRND or EOL Cirrus Logic Devices listed by Cirrus Logic here . TI potential crosses…
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  • ADS1672: Max system clock frequency

    Resolved
    Part Number: ADS1672 Other Parts Discussed in Thread: PCM1690-Q1 , , ADS1675 In the design of my current project the ADC (ADS1672) and the DAC (PCM1690-Q1) require different system clock values. In an effort to make things easier I would like both devices…
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  • RE: DAC for Car radio applications

    Hi Passerby, Please take a look of the PCM1690-Q1 and PCM1681-Q1 datasheets. Both are 8-channels DACs which supports the I2S protocol. They are used in Car Audio applications. I hope this helps you. If you still have questions, please let me know…

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