CS4349
192 kHz DAC w/ Volume Control and 1 Vrms @ 3.3 V
Features
Advanced Multi-bit 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 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
3.3 V to 5 V
3.3 V to 5 V
Level Translator
Register/
Hardware
Configuration
Interpolation
Filter with
Volume
Control
Left
Channel
Output
Hardware or I
2
C/
SPI Control Data
Reset
Multibit
ΔΣ
Modulator
DAC
Amp
+
Filter
1.5 V to 5 V
Level Translator
PCM
Serial
Interface
Interpolation
Filter with
Volume
Control
Multibit
ΔΣ
Modulator
DAC
Amp
+
Filter
Right
Channel
Output
Serial Audio Input
Internal Voltage
Reference
and Regulation
External
Mute
Control
Left and
Right Mute
Controls
Copyright
©
Cirrus Logic, Inc. 2007
(All Rights Reserved)
AUGUST '07
DS782F1
CIRRUS [ CIRRUS LOGIC ]
