Cirrus Logic CS4361 User Manual

Cs4361, Features, Description

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Copyright

Cirrus Logic, Inc. 2011

(All Rights Reserved)

http://www.cirrus.com

20-Pin, 24-Bit, 192 kHz, 6-Channel D/A Converter

Features

Multi-Bit Delta-Sigma Modulator

24-Bit Conversion

Automatically Detects Sample Rates Up To
192 kHz

103 dB Dynamic Range

-94 dB THD+N

Low Clock-Jitter Sensitivity

+5 V Core Power

+1.8 V to +5 V Interface Power

Filtered Line-Level Outputs

On-Chip Digital De-emphasis

Popguard

®

Technology

Mute Output Control

Small 20-pin TSSOP Package

Description

The CS4361 is a complete 6-channel digital-to-analog
output system including interpolation, multi-bit D/A con-
version, and output analog filtering in a small 20-pin
package. The CS4361 supports all major audio data in-
terface formats.

The CS4361 is based on a fourth-order, multi-bit, delta-
sigma modulator with a linear analog low-pass filter.
This device also includes auto-speed mode detection
using both sample rate and master clock ratio as a
method of auto-selecting sampling rates between 2 kHz
and 216 kHz.

The CS4361 contains on-chip digital de-emphasis, op-
erates from a single +5 V power supply with separate
built-in level shifter for the digital interface, and requires
minimal support circuitry. These features are ideal for
DVD players and recorders, digital televisions, home
theater and set-top box products, and automotive audio
systems.

The CS4361 is available in a 20-pin TSSOP Commer-
cial grade package (-40 to 85° C). The CDB4361 is also
available for device evaluation and implementation sug-
gestions. Please refer to

“Ordering Information” on

page 23

for complete ordering information.

Internal Voltage

Reference

+5 Volt-tolerant Reset

Auto-Speed

Detecting PCM
Serial Interface

Lev

el

Tr

ans

lato

r

Mode Control

Analog & Digital Core

Supply (5 V)

Single-Ended

Outputs

(Six Channels

6

PCM Serial
Audio Input

Digital
Filters

Switch-Cap

DAC and

Analog Filters

Multi-bit



Modulators

External Mute

Control

Mute Control

Serial Audio Port & Control

Supply (1.8 V to 5 V)

6

Digital

De-emphasis

SEPT '11
DS672F2

Confidential Draft

9/30/11

CS4361

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