CS4265
104 dB, 24-Bit, 192 kHz Stereo Audio CODEC
D/A Features
Multi-Bit Delta Sigma Modulator
104 dB Dynamic Range
-90 dB THD+N
Up to 192 kHz Sampling Rates
Single-Ended Analog Architecture
Volume Control with Soft Ramp
– 0.5 dB Step Size
– Zero Crossing, Click-Free Transitions
Popguard® Technology
– Minimizes the Effects of Output Transients
Filtered Line-Level Outputs
Selectable Serial Audio Interface Formats
– Left-Justified up to 24-bit
– I²S up to 24-bit
– Right-Justified 16-, 18-, 20-, and 24-bit
Selectable 50/15 µs De-Emphasis
A/D Features
Multi-Bit Delta Sigma Modulator
104 dB Dynamic Range
-95 dB THD+N
Stereo 2:1 Input Multiplexer
Programmable Gain Amplifier (PGA)
– ± 12 dB Gain, 0.5 dB Step Size
– Zero Crossing, Click-Free Transitions
Pseudo-Differential Stereo Line Inputs
Stereo Microphone Inputs
– +32 dB Gain Stage
– Low-Noise Bias Supply
Up to 192 kHz Sampling Rates
Selectable Serial Audio Interface Formats
– Left-Justified up to 24-bit
– I²S up to 24-bit
High-Pass Filter or DC Offset Calibration
1.8 V to 5 V
Serial
Audio
Input
Serial
Audio
Output
I2C Control
Data
Reset
3.3 V to 5 V
3.3 V to 5 V
Volume
Control
Interpolation
Filter
Multibit
ΔΣ Modulator
Volume
Control
Interpolation
Filter
Multibit
ΔΣ Modulator
Switched Capacitor
DAC and Filter
Switched Capacitor
DAC and Filter
Mute
Control
Left DAC Output
Mute Control
Right DAC Output
IEC60958-3 Transmitter
High Pass
Filter
Low-Latency
Anti-Alias Filter
High Pass
Filter
Low-Latency
Anti-Alias Filter
Internal Voltage
Reference
Mic Bias
Multibit
Oversampling
ADC
Multibit
Oversampling
ADC
PGA
MUX
PGA
+32 dB
+32 dB
Transmitter Output
Microphone Bias
Mic Input
1&2
Stereo
Line Input
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Copyright © Cirrus Logic, Inc. 2007
(All Rights Reserved)
AUGUST '07
DS657F2