PCM2702 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCM2702
Manufacturer

TI
ChipWorker Part#

CW486628061
Description

16Bit Stereo Digital-To-Analog Converter with USB Interface
Documentation

Datasheet

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Product Description

The PCM2702 is a single chip digital-to-analog converter offering two D/A output channels and an integrated USB 1.0 compliant interface controller. The newly developed SpAct™ (Sampling Period Adaptive Controlled Tracking) system recovers a stable, low-jitter clock for internal PLL and DAC operation from the USB interface audio data.
The PCM2702 is based upon Texas Instruments Enhanced Multi-level Delta-Sigma Modulator, an 8x oversampling digital interpolation filter, and an analog output low-pass filter.
The PCM2702 can accept a 48kHz, 44.1kHz and 32kHz sampling rates, using either 16-bit stereo or monaural audio data. Digital attenuation and soft-mute features are included, and are controlled via USB audio class request.
INTEGRATED USB INTERFACE:
Full-Speed Transceiver Supports 12Mbps Data Transfer
Fully Compliant with the USB 1.0 Specification
Adaptive Mode for Isochronous Transfer
Self-Powered Device
ACCEPTS 16-BIT STEREO AND MONO USB AUDIO DATA STREAMS
ANALOG PERFORMANCE (VCC = 5V):
Dynamic Range: 100dB (typ at 16-bit)
SNR: 105dB (typ)
THD+N: 0.002% (typ at 16-bit)
Full-Scale Output: 3.1VPP
8X OVERSAMPLING DIGITAL FILTER:
Passband: 0.454fS
Stopband: 0.546fS
Passband Ripple: ±0.002dB
Stopband Attenuation: \x9682dB
SAMPLING RATE (FS): 32kHz, 44.1kHz, 48kHz
ON-CHIP CLOCK GENERATOR WITH SINGLE 12MHz CLOCK SOURCE
MULTI-FUNCTIONS:
Digital Attenuator: 0dB to \x9664dB, 1dB/step
Soft Mute
Zero Flag
Suspend Flag
Playback Flag
DUAL POWER SUPPLIES:
+5V for Analog Portion
+3.3V for Digital Portion
PACKAGE: SSOP-28
APPLICATIONS
STAND-ALONE USB AUDIO SPEAKERS
CRT/LCD INTEGRATED USB AUDIO SPEAKERS
USB AUDIO AMPLIFIERS
OTHER USB AUDIO APPLICATIONS
Patents Pending.
SpAct is a trademark of Texas Instruments.
All trademarks are the property of their respective owners.

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