CS4353
3.3 V Stereo Audio DAC with 2 V
RMS
Line Output
Features
Multi-bit Delta-Sigma Modulator
106 dB A-wt Dynamic Range
-93 dB THD+N
Single-ended Ground Centered Analog
Architecture
– No DC-blocking Capacitors Required
– Integrated Step-up/Inverting Charge Pump
– Filtered Line-level Outputs
– Selectable 1 or 2 V
RMS
Full-scale Output
Low Clock-jitter Sensitivity
Low-latency Digital Filtering
Supports Sample Rates up to 192 kHz
24-bit Resolution
+3.3 V Charge Pump and Core Logic, +3.3 V
Analog, and +0.9 to 3.3 V Interface Power
Supplies
Low Power Consumption
24-pin QFN, Lead-free Assembly
Description
The CS4353 is a complete stereo digital-to-analog sys-
tem including digital interpolation, fifth-order multi-bit
delta-sigma digital-to-analog conversion, digital de-em-
phasis, analog filtering, and on-chip 2 V
RMS
line-level
driver from a 3.3 V supply.
The advantages of this architecture include ideal differ-
ential linearity, no distortion mechanisms due to resistor
matching errors, no linearity drift over time and temper-
ature, high tolerance to clock jitter, and a minimal set of
external components.
The CS4353 is available in a 24-pin QFN package in
both Automotive (-40°C to +105°C) and Commercial
(-40°C to +85°C) grades. The CDB4353 Customer
Demonstration Board is also available for device evalu-
ation and implementation suggestions. Please see
for complete details.
These features are ideal for cost-sensitive, 2-channel
audio systems including video game consoles, DVD
players and recorders, A/V receivers, set-top boxes,
digital TVs, mini-component systems, and mixing
consoles.
Interface Supply
(VL)
+0.9 V to +3.3 V
Digital Core Logic and
Charge Pump Supply (VCP)
+3.3 V
Analog Supply (VA)
+3.3 V
Reset
Level Shifter
Power-On
Reset
Hardware
Control
Step-Up
Inverting
+VA_H
-VA_H
Ground-Centered,
2 Vrms Line Level Outputs
Hardware
Control
Serial
Audio
Input
Left Channel
PCM Serial
Audio Port
Auto Speed
Mode Detect
Interpolation
Filters
Multibit
∆Σ
Modulator
DAC
Pseudo Diff. Input
Right Channel
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright
©
Cirrus Logic, Inc. 2008
(All Rights Reserved)
DEC '08
DS803PP1
CIRRUS [ CIRRUS LOGIC ]
