CS4265_07 Datasheet, PDF (1/56 Pages) Cirrus Logic – 104 dB, 24-Bit, 192 kHz Stereo Audio CODEC

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