BurrBrown Products

from Texas Instruments

1

FEATURES

APPLICATIONS

DESCRIPTION

PCM1804

SLES022C – DECEMBER 2001 – REVISED OCTOBER 2007

FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz

STEREO A/D CONVERTER

• AV Amplifier

23

• 24-Bit Delta-Sigma Stereo A/D Converter

• MD Player

• High Performance:

• Digital VTR

–

Dynamic Range: 112 dB (Typical)

• Digital Mixer

–

SNR: 111 dB (Typical)

• Digital Recorder

–

THD+N: –102 dB (Typical)

• High-Performance Linear Phase Antialias

Digital Filter:

The PCM1804 is a high-performance, single-chip

–

Pass-Band Ripple: ±0.005 dB

stereo A/D converter with fully differential analog

–

Stop-Band Attenuation: –100 dB

voltage input. The PCM1804 uses a precision

delta-sigma modulator and includes a linear phase

• Fully Differential Analog Input: ±2.5 V

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

• Audio Interface: Master- or Slave-Mode

removes dc offset

from

the

input

signal.

The

Selectable

PCM1804 is suitable for a wide variety of mid- to

• Data Formats: Left-Justified, I2S, Standard

high-grade consumer and professional applications,

24-Bit, and DSD

where excellent performance and 5-V analog supply

and 3.3-V digital power-supply operation are required.

• Function:

The PCM1804 can achieve both PCM audio and

–

Peak Detection

DSD

format

due

to

the

precision

delta-sigma

–

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

modulator. The PCM1804 is fabricated using an

fS = 48 kHz

advanced CMOS process and is available in a small

28-pin SSOP package.

• Sampling Rate up to 192 kHz

• System Clock: 128 f

S, 256 fS, 384 fS,

512 fS, or 768 fS

• Dual Power Supplies:

–

5 V for Analog

–

3.3 V for Digital

• Power Dissipation: 225 mW

• Small 28-Pin SSOP

• DSD Output: 1 Bit, 64 f

S

1

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.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2001–2007, 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.