Cirrus Logic CS4350 - Manual

Copyright  Cirrus Logic, Inc. 2013
(All Rights Reserved)
http://www.cirrus.com
192-kHz Stereo DAC with Integrated PLL
Features
 Advanced multibit delta-sigma architecture
 109 dB dynamic range
 -91 dB THD+N
 24-bit conversion
 Supports audio sample rates up to 192 kHz
 Low-latency digital filtering
 Single-ended or differential analog output
architecture
 Integrated PLL locks to incoming left-right
clock
– Eliminates the need for external master-
clock routing
– Reduces interference and jitter sensitivity
– No external loop filter components required
 Automatic sample-rate range detection
 Popguard ® technology for control of clicks and
pops
 Hardware popguard disable for fast startups
 Supports all standard serial audio formats
including time-division multiplexed (TDM)
 +1.5- to 5.0-V logic supplies for serial port
 +3.3- to 5.0-V control port interface
Control Port Mode Features
 SPI™ and I²C ™ Modes
 ATAPI mixing
 Mute control for individual channels
 Digital volume control with soft ramp
– 127.5 dB attenuation
– 1/2 dB step size
– Zero-crossing click-free transitions
PCM
Serial
Interface
Serial Audio Input
Right
Channel
Output
Left
Channel
Output
Reset
3.3 V to 5.0 V
Register/
Hardware
Configuration Hardware or I 2 C/
SPI Control Data
3.3 V to 5.0 V
LRCK RM
CK
RMCK
Recovered MCLK
1.5 V to 5.0 V
Internal Voltage
Reference
and Regulation Phase Locked Loop
Interpolation
Filter with
Volume
Control
Interpolation
Filter with
Volume
Control
Multibit

Modulator
Multibit 
Modulator
L
e
ve
l T
ransla
tor
Le
ve
l Transl
a
tor
Amp
+
Filter
Amp
+
Filter
Left and
Right Mute
Controls External
Mute
Control
DAC
DAC
APR ‘13
DS691F2
CS4350