PCM9211 Texas instruments

PCM9211

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PCM9211

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Описание

The PCM9211 is a complete analog and digital front-end for todays multimedia players, sound bars, and recorders.The PCM9211 integrates a stereo ADC, S/PDIF transceiver with up to 12 multiplexed inputs, and 3x PCM inputs to allow other audio receivers to be multiplexed, along with the analog and S/PDIF signals to a digital signal processor (DSP).

Integrated DIX, ADC, and signal routing:
- Asynchronous operation (DIR, DIT, ADC)
- MUX and routing of PCM data:
  - I²S, left-justified, right-justified
- Multipurpose input/output pins
Digital audio I/F receiver (DIR):
- 24-bit, 216-kHz capable
- 50-ps ultra-low jitter
- Non-PCM detection (IEC61937, DTS-CD/LD)
- 12x S/PDIF input ports:
  - 2x coaxial S/PDIF inputs
  - 10x optical S/PDIF inputs
Digital audio I/F transmitter (DIT):
- 24-bit, 216-kHz capable
- 24-bit data length
- 48-bit channel status buffer
- Synchronous and asynchronous operation
Analog-to-digital converter (ADC):
- 24-bit, 96-kHz capable
- Dynamic range: 101 dB (f_S = 96 kHz)
- Synchronous, asynchronous operation
Routing function:
- Input: 3x PCM, 1x DIR, 1x ADC
- Output: main out, aux out, DIT
- Multichannel (8-ch) PCM routing
Other function features:
- Power down (pin and register control)
- PCM port sampling frequency counter
- GPIO and GPO
- OSC for external crystal (24.576 MHz)
- SPI, I²C, or hardware control modes
Power supply:
- 3.3 V (2.9 V to 3.6 V) for DIX, all digital
- 5 V (4.5 V to 5.5 V) for ADC analog
Operating temperature: –40°C to +85°C
Package: 48-pin LQFP

Jitter (ps)	50
Sampling rate (max) (kHz)	216
Rating	Catalog
Operating temperature range (°C)	-40 to 85