PCM2903E - Texas Instruments

Manufacturer Part Number

PCM2903E

Manufacturer

Texas Instruments

Introduction

The PCM2903E is a stereo audio codec with USB interface, designed to perform analog-to-digital and digital-to-analog conversion of audio signals.

Product Features and Performance

Integrates 2 ADCs and 2 DACs

Supports 16-bit resolution

Sigma Delta modulation

USB data interface compatibility

S/N Ratio for ADCs is 89db typical

S/N Ratio for DACs is 96db typical

Dynamic Range for ADCs is 89db typical

Dynamic Range for DACs is 93db typical

Product Advantages

High signal to noise and dynamic range ensures quality audio capture and playback

Integrated USB interface facilitates easy connection to computers and other USB-enabled devices

Key Technical Parameters

Resolution: 16 bits

Number of ADCs/DACs: 2/2

S/N Ratio ADCs/DACs (db) Typ: 89/96

Dynamic Range ADCs/DACs (db) Typ: 89/93

Supply Voltage Analog/Digital: 3V ~ 3.6V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Quality and Safety Features

Operates within a specified temperature range to ensure stability and performance under typical environmental conditions

Compatibility

Flexible USB interface ensures compatibility with many audio processing and playback systems

Application Areas

Audio processing equipment

Sound recording systems

Computer audio interfaces

Product Lifecycle

Not recommended for new designs

Consider alternatives for new projects as this product is nearing discontinuation

Several Key Reasons to Choose This Product

Robust performance with high signal quality due to superior S/N ratio and dynamic range

Easy integration with existing audio systems via USB

Suited for harsh environments with a wide operational temperature range

Compact 28-SSOP packaging suitable for space-constrained applications