PCM1821 Series
Stereo-channel, 32-bit, 192-kHz, audio analog-to-digital converter (ADC) with 106-dB SNR
Manufacturer: Texas Instruments
Catalog
Stereo-channel, 32-bit, 192-kHz, audio analog-to-digital converter (ADC) with 106-dB SNR
Key Features
• Stereo high-performance ADC:2-channel analog microphones or line-inADC line and microphone differential input performance:PCM1820 dynamic range:123-dB, dynamic range enhancer enabled113-dB, dynamic range enhancer disabledPCM1821 dynamic range: 106 dBTHD+N: –95 dBADC differential 2-VRMSfull-scale inputADC sample rate (fS) = 8 kHz to 192 kHzHardware pin control configurationsLinear-phase or low-latency filter selectionFlexible audio serial data interface:Master or slave interface selection32-bits, 2-channel TDM32-bits, 2-channel I2SAutomatic power-down upon loss of audio clocksIntegrated high-performance audio PLLSingle-supply operation: 3.3 VI/O-supply operation: 3.3 V or 1.8 VPower consumption for 3.3-V AVDD supply:19.6 mW/channel at 16-kHz sample rate21.3 mW/channel at 48-kHz sample rateStereo high-performance ADC:2-channel analog microphones or line-inADC line and microphone differential input performance:PCM1820 dynamic range:123-dB, dynamic range enhancer enabled113-dB, dynamic range enhancer disabledPCM1821 dynamic range: 106 dBTHD+N: –95 dBADC differential 2-VRMSfull-scale inputADC sample rate (fS) = 8 kHz to 192 kHzHardware pin control configurationsLinear-phase or low-latency filter selectionFlexible audio serial data interface:Master or slave interface selection32-bits, 2-channel TDM32-bits, 2-channel I2SAutomatic power-down upon loss of audio clocksIntegrated high-performance audio PLLSingle-supply operation: 3.3 VI/O-supply operation: 3.3 V or 1.8 VPower consumption for 3.3-V AVDD supply:19.6 mW/channel at 16-kHz sample rate21.3 mW/channel at 48-kHz sample rate
Description
AI
The PCM182x is a high-performance, Burr-Brown™ audio analog-to-digital converter (ADC) that supports simultaneous sampling of up to two analog channels. The device supports differential line and microphone inputs with a 2-VRMSfull-scale signal. The device integrates a phase-locked loop (PLL), a DC removal high-pass filter (HPF), and supports sample rates up to 192 kHz. The device supports time-division multiplexing (TDM) or I2S audio formats, selectable with the hardware pin level. Additionally, the PCM182x supports master and slave mode selection for the audio bus interface operation. These integrated high-performance features, along with the ability to be powered from a single supply of 3.3 V, make the device an excellent choice for cost-sensitive, space-constrained audio systems in far-field microphone recording applications.
The PCM182x is specified from –40°C to +125°C, and is offered in a 20-pin WQFN package.
The PCM182x is a high-performance, Burr-Brown™ audio analog-to-digital converter (ADC) that supports simultaneous sampling of up to two analog channels. The device supports differential line and microphone inputs with a 2-VRMSfull-scale signal. The device integrates a phase-locked loop (PLL), a DC removal high-pass filter (HPF), and supports sample rates up to 192 kHz. The device supports time-division multiplexing (TDM) or I2S audio formats, selectable with the hardware pin level. Additionally, the PCM182x supports master and slave mode selection for the audio bus interface operation. These integrated high-performance features, along with the ability to be powered from a single supply of 3.3 V, make the device an excellent choice for cost-sensitive, space-constrained audio systems in far-field microphone recording applications.
The PCM182x is specified from –40°C to +125°C, and is offered in a 20-pin WQFN package.
