PCM2900C: Without S/PDIF
PCM2902C: With S/PDIF
On-Chip USB Interface:
- With Full-Speed Transceivers
- Fully Compliant with USB 2.0 Specification
- Certified by USB-IF
- Partially Programmable Descriptors
- USB Adaptive Mode for Playback
- USB Asynchronous Mode for Record
- Bus Powered
16-Bit Delta-Sigma ADC and DAC
Sampling Rate:
- DAC: 32 kHz, 44.1 kHz, 48 kHz
- ADC: 8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz, 44.1 kHz, 48 kHz
On-Chip Clock Generator with Single 12-MHz Clock Source
Single Power Supply:
- 5 V Typical (V_BUS)
Stereo ADC:
- Analog Performance at V_BUS = 5 V:
  - THD+N = 0.01%
  - SNR = 89 dB
  - Dynamic Range = 89 dB
- Decimation Digital Filter:
  - Passband Ripple = ±0.05 dB
  - Stop Band Attenuation = –65 dB
- Single-Ended Voltage Input
- Antialiasing Filter Included
- Digital HPF Included
Stereo DAC:
- Analog Performance at V_BUS = 5 V:
  - THD+N = 0.005%
  - SNR = 96 dB
  - Dynamic Range = 93 dB
- Oversampling Digital Filter:
  - Passband Ripple = ±0.1 dB
  - Stop Band Attenuation = –43 dB
- Single-Ended Voltage Output
- Analog LPF Included
Multifunctions:
- Human Interface Device (HID) Function:
  - Volume and Mute Controls
- Suspend Flag Function
28-Pin SSOP Package

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The PCM2900C/2902C are Texas Instruments' single-chip, USB, stereo audio codecs with a USB-compliant full-speed protocol controller and S/PDIF (PCM2902C only). The USB protocol controller requires no software code. The PCM2900C/2902C employ SpAct architecture, TI's unique system that recovers the audio clock from USB packet data. On-chip analog PLLs with SpAct architecture enable playback and record with low clock jitter as well as independent playback and record sampling rates.

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Technical documentation

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	Type	Title	Date
*	Datasheet	Stereo Audio Codec w/USB Interface, Single-Ended Analog In/Out & S/PDIF datasheet	Sep. 08, 2011
	User guides	PCM2900C/02C/PCM2906CEVM-U User Guide	Sep. 18, 2011
	Application notes	Key Differences Between the PCM290x and PCM290xC	Sep. 14, 2011
	Application notes	Dynamic Performance Testing of Digital Audio D/A Converters	Oct. 02, 2000

Design & development

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Hardware development

EVALUATION BOARDS Download

PCM2900C Evaluation Module

PCM2900CEVM-U

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User guide

$149.00

Description

The PCM2900CEVM-U and PCM2902EVM-U are evaluation modules for the PCM2900C/2902C USB audio codecâs.

The EVM is supported by WindowsÂ® XP, WindowsÂ® Vista, WindowsÂ® 7, OSX and most operating systems which are compatible with USB class audio devices.

The PCM2900EVM-U and PCM2902EVM-U connect to a USB port of (...)

Features

Full-featured evaluation module for the PCM2900EVM-U and PCM2902EVM-U USB audio codecâs.
Fully compliant with USB2.0 specification
USB adaptive mode for playback
USB asynchronous mode for record
Full-speed transceivers
USB connection to PC provides power, control, and streaming audio data for easy (...)

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