Texas Instruments PCM2903 Evaluation Module PCM2903EVM-U PCM2903EVM-U 데이터 시트
제품 코드
PCM2903EVM-U
User's Guide
SLEU117 – March 2012
PCM2903EVM-U Evaluation Module
This User's Guide contains information on the setup, operation, and constructon of the PCM2903EVM-U,
and evaluation module (EVM) for the digital-to-analog converter (DAC) PCM2903.
and evaluation module (EVM) for the digital-to-analog converter (DAC) PCM2903.
Contents
1
Description
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1.1
Related Documentation From Texas Instruments
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1.2
Block Diagram
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1.3
Connectors and Jumpers
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1.4
Switch Settings
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1.5
LED Monitor
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2
Schematic and Printed-Circuit Board
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2.1
PCM2903EVM-U Printed-Circuit Board
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2.2
PCM2903EVM Schematic
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List of Figures
1
PCM2903EVM Block Diagram
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2
PCM2903EVM Silkscreen
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3
PCM2903EVM Top View
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4
PCM2903EVM Bottom View
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5
PCM2903EVM Schematic
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List of Tables
1
Description
The PCM2903EVM-U is an evaluation board for Texas Instruments' newly developed USB interface
codec, PCM2903. The PCM2903EVM-U evaluation module (EVM) includes a PCM2903. It is a self-
powered USB codec without an S/PDIF interface.
codec, PCM2903. The PCM2903EVM-U evaluation module (EVM) includes a PCM2903. It is a self-
powered USB codec without an S/PDIF interface.
A USB connector is mounted on the PCM2903EVM-U. Connecting a USB interface to this USB connector
enables the evaluation of codec performance.
enables the evaluation of codec performance.
The PCM2903EVM-U requires a 5-V power supply for the codec and S/PDIF sections and a 5-V power
supply for the analog input/output amplifier section.
supply for the analog input/output amplifier section.
Stereo audio output and input are available on two 3.5-mm jacks.
The PCM2903EVM-U supports the following USB features:
•
Fully compliant with the USB 1.1 specification
•
Full-speed transceivers
•
Partially programmable descriptors
•
USB adaptive mode for playback
•
USB asynchronous mode for record
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Self-powered
1
SLEU117 – March 2012
PCM2903EVM-U Evaluation Module
Copyright © 2012, Texas Instruments Incorporated