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Cirrus Logic

CS4349 Datasheet Preview

CS4349 Datasheet

192kHz DAC

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CS4349
192-kHz DAC with Volume Control and 1 Vrms @ 3.3 V
Features
Advanced multibit delta–sigma architecture
101 dB dynamic range
-91 dB THD+N at 5.0 V
-84 dB THD+N at 3.3 V
24-bit conversion
Supports audio sample rates up to 192 kHz
Low-latency digital filtering
Single-ended analog output architecture
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)
+3.3 V or +5.0 V analog supply
+1.5 V to +5.0 V logic supplies for serial port
+3.3 V to +5.0 V control port interface
Control Port Mode Features
SPI™ and I²CModes
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
3.3 V to 5 V
Hardware or I2C/
SPI Control Data
Reset
3.3 V to 5 V
Register/
Hardware
Configuration
Interpolation
Filter with
Volume
Control
Multibit 
Modulator
DAC
Amp
+
Filter
Left
Channel
Output
1.5 V to 5 V
Serial Audio Input
PCM
Serial
Interface
Interpolation
Filter with
Volume
Control
Multibit 
Modulator
DAC
Internal Voltage
Reference
and Regulation
Amp
+
Filter
Right
Channel
Output
External
Mute
Control
Left and
Right Mute
Controls
http://www.cirrus.com
Copyright Cirrus Logic, Inc. 2013
(All Rights Reserved)
APR ‘13
DS782F2




Cirrus Logic

CS4349 Datasheet Preview

CS4349 Datasheet

192kHz DAC

No Preview Available !

Description
CS4349
The CS4349 is a complete stereo digital-to-analog system including digital interpolation, 5th-order multi-bit delta-
sigma digital-to-analog conversion, digital de-emphasis, volume control, channel mixing, and analog filtering. The
advantages of this architecture include ideal linearity, no distortion mechanisms due to resistor matching errors, no
linearity drift over time and temperature, tolerance to clock jitter, and a minimal set of external components.
The CS4349 supports all standard digital audio interface formats, including TDM.
The CS4349 is available in a 24-pin TSSOP package in both Commercial (-40° to +85°C) and Automotive grades
(-40° to +105°C). The CDB4349 Customer Demonstration board is also available for device evaluation and imple-
mentation suggestions. “Ordering Information” on page 39 provides complete ordering information.
These features are ideal for cost-sensitive, two-channel audio systems, including DVD players and recorders, set-
top boxes, digital TVs, mini-component systems, musical instruments and automotive audio systems.
2 DS782F2


Part Number CS4349
Description 192kHz DAC
Maker Cirrus Logic
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CS4349 Datasheet PDF






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