PCM1808-Q1

www.ti.com

SLES265A – MARCH 2011 – REVISED AUGUST 2012

SINGLE-ENDED, ANALOG-INPUT 24-BIT, 96-kHz STEREO A/D CONVERTER

Check for Samples: PCM1808-Q1

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FEATURES

•

Package: 14-Pin TSSOP

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•

Qualified for Automotive Applications

DESCRIPTION

•

24-Bit Delta-Sigma Stereo A/D Converter

The PCM1808-Q1 is high-performance, low-cost,

•

Single-Ended Voltage Input: 3 Vp-p

single-chip, stereo analog-to-digital converter with

•

High Performance:

single-ended analog voltage input. The PCM1808-Q1

uses

a

delta-sigma

modulator

with

64-times

–

THD + N: –93 dB (Typical)

oversampling and includes a digital decimation filter

–

SNR: 99 dB (Typical)

and high-pass filter that removes the dc component

–

Dynamic Range: 99 dB (Typical)

of the input signal. For various applications, the

PCM1808-Q1 supports master and slave mode and

•

Oversampling Decimation Filter:

two data formats in serial audio interface.

–

Oversampling Frequency: ×64

The PCM1808-Q1 supports the power-down and

–

Pass-Band Ripple: ±0.05 dB

reset function by means of halting the system clock.

–

Stop-Band Attenuation: –65 dB

The PCM1808-Q1 is suitable for wide variety of cost-

–

On-Chip High-Pass Filter: 0.91 Hz (48 kHz)

sensitive

consumer

applications

where

good

•

Flexible PCM Audio Interface

performance and operation with a 5-V analog supply

–

Master/Slave Mode Selectable

and 3.3-V digital supply is required. The PCM1808-

Q1 is fabricated using a highly advanced CMOS

–

Data Formats: 24-Bit I2S, 24-Bit Left-

process and is available in a small, 14-pin TSSOP

Justified

package.

•

Power Down and Reset by Halting System

Clock

•

Analog Antialias LPF Included

•

Sampling Rate: 8 kHz–96 kHz

•

System Clock: 256 fS, 384 fS, 512 fS

•

Dual Power Supplies:

–

5-V for Analog

–

3.3-V for Digital

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

System Two, Audio Precision are trademarks of Audio Precision, Inc.

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All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2011–2012, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.