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SRC4192, SRC4193

SBFS022C – JUNE 2003 – REVISED OCTOBER 2015

SRC419x 192-kHz Stereo Asynchronous Sample-Rate Converters

1 Features

3 Description

The

SRC4192

and

SRC4193

devices

are

1

•

Automatic Sensing of the Input-to-Output

asynchronous, sample-rate converters designed for

Sampling Ratio

professional and broadcast audio applications. The

•

Wide Input-to-Output Sampling Range: 16:1 to

SRC4192 and SRC4193 devices combine a wide

1:16

input-to-output

sampling

ratio

with

outstanding

dynamic range and ultra-low distortion. Input and

•

Supports Input and Output Sampling Rates Up to

output serial ports support standard audio formats, as

212 kHz

well as a Time Division Multiplexed (TDM) mode.

•

Dynamic Range: 144 dB (–60-dbFS Input, BW =

Flexible audio interfaces allow the SRC4192 and

SRC4193 devices to connect to a wide range of

•

THD+N: –140 dB (0-dbFS Input, BW = 20 Hz to

audio data converters, digital audio receivers and

transmitters, and digital signal processors.

•

Attenuates Sampling and Reference Clock Jitter

The

SRC4192

device

is

a

standalone,

pin-

•

High-Performance, Linear-Phase Digital Filtering

programmed device, with control pins for mode, data

format, mute, bypass, and low group-delay functions.

with Stop Band Attenuation Greater than 140 dB

The SRC4193 device is a software-controlled device

•

Flexible Audio Serial Ports:

featuring a serial peripheral interface (SPI) port,

–

Master or Slave-Mode Operation

which is utilized to program all functions through the

–

internal control registers.

and TDM Data Formats

The SRC4192 and SRC4193 devices can operate

–

Supports 16, 18, 20, or 24-Bit Audio Data

from a single 3.3-V power supply. A separate digital

–

TDM Mode Allows Daisy-Chaining of up to

supply

range,

allowing

greater

flexibility

when

Eight Devices

interfacing to current and future generation signal

•

Supports 24-, 20-, 18-, or 16-Bit Input and Output

processors and logic devices. Both devices are

Data: All Output Data is Dithered from the Internal

available in a 28-pin SSOP package.

28-Bit Data Path

•

Low Group Delay Option for Interpolation Filter

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Direct Downsampling Option for Decimation Filter

(SRC4193 Only)

SRC4192

SSOP (28)

5.30 mm × 10.20 mm

SRC4193

•

SPI Port Provides Access to Internal Control

Registers (SRC4193 Only)

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

the end of the data sheet.

•

Soft Mute Function

•

Bypass Mode

Simplified Application Diagram

•

Programmable Digital Output Attenuation

(SRC4193 Only); 256 Steps: 0 dB to –127.5 dB,

0.5-dB/step

•

Power Down Mode

•

Operates From a Single 3.3-V Power Supply

•

Small 28-Pin SSOP Package

•

Pin Compatible with the AD1896 (SRC4192 Only)

2 Applications

•

Digital Mixing Consoles

•

Digital Audio Workstations

•

Audio Distribution Systems

•

Broadcast Studio Equipment

•

High-End A/V Receivers

•

General Digital Audio Processing

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.