Cirrus Logic CS4354 - Manual

Copyright
 Cirrus Logic, Inc. 2011
(All Rights Reserved)
http://www.cirrus.com
5-V Stereo DAC with 2-V
RMS
Ground-Centered Output
Features
 Advanced multibit delta–sigma modulator
 101 dB A-weighted dynamic range
 –86 dB THD+N
 Single-ended ground-centered analog
architecture
– No DC-blocking capacitors required
– Integrated inverting charge pump
– Filtered line-level outputs
– 2 V
RMS
full-scale output
 Low-latency digital filtering
 Supports sample rates up to 192 kHz
 24-bit I²S input
 +5-V analog supply with integrated inverting
charge pump and regulator for core logic, and
+1.8-V to +5-V interface power supplies
 50-mW power consumption
 14-pin SOIC, lead-free assembly
Description
The CS4354 is a complete stereo digital-to-analog sys-
tem including digital interpolation, third-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 5 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.
These features are ideal for cost-sensitive, two-channel
audio systems including video game consoles, Blu-Ray
Disc
®
and DVD players, set-top boxes, digital TVs, and
DAB/DMB devices.
The CS4354 is available in a 14-pin SOIC package in
Commercial (–40°C to +85°C) grade. The CDB4354
Customer Demonstration Board is also available for de-
vice evaluation and implementation suggestions.
Please see
“Ordering Information” on page 23 for com-
plete details.
PCM Serial
Audio Port
Lev
el
Sh
ift
e
r
I²S Serial
Audio Input Multibit
Modulator
Interpolation
Filters + HPF
Left Channel
Right Channel
Power-On
Reset
Auto Speed
Mode Detect
Analog Supply (VA)
+5 V
Inverting
Charge
Pump
1.8V reg
-VA
Interface Supply (VL)
+1.8V to +5V
Ground-Centered,
2 Vrms Line Level
Outputs
DAC
Sept '11
DS895F2
CS4354