PCM1804-Q1

www.ti.com

SLES271A – JUNE 2012 – REVISED AUGUST 2012

FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz

STEREO A/D CONVERTER

Check for Samples: PCM1804-Q1

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FEATURES

•

Dual Power Supplies:

–

5 V for Analog

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•

Qualified for Automotive Applications

–

3.3 V for Digital

•

AEC-Q100 Test Guidance With the Following

Results:

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Power Dissipation: 225 mW

–

Device Temperature Grade 3: –40°C to 85°C

•

Small 28-Pin SSOP

Ambient Operating Temperature Range

•

DSD Output: 1 Bit, 64 fS

–

Device HBM ESD Classification Level H2

APPLICATIONS

–

Device CDM ESD Classification Level C3B

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24-Bit Delta-Sigma Stereo A/D Converter

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AV Amplifier

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High Performance:

•

MD Player

–

Dynamic Range: 112 dB (Typical)

•

Digital VTR

–

SNR: 111 dB (Typical)

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Digital Mixer

–

THD+N: –102 dB (Typical)

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Digital Recorder

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High-Performance Linear Phase Antialias

DESCRIPTION

Digital Filter:

The PCM1804-Q1 device is a high-performance,

–

Pass-Band Ripple: ±0.005 dB

single-chip stereo A/D converter with fully differential

–

Stop-Band Attenuation: –100 dB

analog voltage input which uses a precision delta-

•

Fully Differential Analog Input: ±2.5 V

sigma modulator and includes a linear-phase antialias

digital filter and high-pass filter (HPF) that removes

•

Audio Interface: Master- or Slave-Mode

DC offset from the input signal. The PCM1804-Q1

Selectable

device is suitable for a wide variety of mid- to high-

•

Data Formats: Left-Justified, I2S, Standard 24-

grade consumer and professional applications, where

Bit, and DSD

excellent performance and 5-V analog supply and

3.3-V digital power-supply operation are required.

•

Function:

The PCM1804-Q1 device can achieve both PCM

–

Peak Detection

audio and DSD format due to the precision delta-

–

High-Pass Filter (HPF): –3 dB at 1 Hz,

sigma

modulator.

The

PCM1804-Q1

device

is

fS = 48 kHz

fabricated using an advanced CMOS process and is

available in a small 28-pin SSOP package.

•

Sampling Rate up to 192 kHz

•

System Clock: 128 fS, 256 fS, 384 fS,

512 fS, or 768 fS

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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.

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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 © 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.