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Delta-Sigma

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LRCK

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SCKI

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Modulator

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Design

PCM1808

SLES177B – APRIL 2006 – REVISED AUGUST 2015

PCM1808 Single-Ended, Analog-Input 24-Bit, 96-kHz Stereo ADC

1 Features

2 Applications

1

•

24-Bit Delta-Sigma Stereo A/D Converter (ADC)

•

DVD Recorder

•

Single-Ended Voltage Input: 3 Vp-p

•

Digital TV

•

High Performance:

•

AV Amplifier or Receiver

•

MD Player

–

THD+N: –93 dB (Typical)

•

CD Recorder

–

SNR: 99 dB (Typical)

•

Multitrack Receiver

–

Dynamic Range: 99 dB (Typical)

•

Electric Musical Instrument

•

Oversampling Decimation Filter:

–

Oversampling Frequency: ×64

3 Description

–

Pass-Band Ripple: ±0.05 dB

The PCM1808 device is a high-performance, low-

–

Stop-Band Attenuation: –65 dB

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

–

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

with

single-ended

analog

voltage

input.

The

PCM1808 device uses a delta-sigma modulator with

•

Flexible PCM Audio Interface

64-times

oversampling

and

includes

a

digital

–

Master- or Slave-Mode Selectable

decimation filter and high-pass filter that removes the

–

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

dc component of the input signal. For various

applications, the PCM1808 device supports master

•

Power Down and Reset by Halting System Clock

and slave mode and two data formats in serial audio

•

Analog Antialias LPF Included

interface.

•

Sampling Rate: 8 kHz–96 kHz

The PCM1808 device supports the power-down and

•

System Clock: 256 fS, 384 fS, 512 fS

reset functions by means of halting the system clock.

•

Resolution: 24 Bits

The PCM1808 device is suitable for wide variety of

•

Dual Power Supplies:

cost-sensitive consumer applications requiring good

–

5-V for Analog

performance and operation with a 5-V analog supply

and 3.3-V digital supply. Fabrication of the PCM1808

–

3.3-V for Digital

device uses a highly advanced CMOS process. The

•

Package: 14-Pin TSSOP

device is available in a small, 14-pin TSSOP

package.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

PCM1808

TSSOP (14)

4.40 mm × 5.00 mm

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

PCM1808 Block Diagram

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.