CS42L52
Low Power, Stereo CODEC w/Headphone & Speaker Amps
Stereo CODEC
High Performance Stereo ADC & DAC
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98 dB Dynamic Range (A-wtd)
-88 dB THD+N
4:1 Analog Input MUX
Analog Input Mixing
Analog Passthru with Volume Control
Analog Programmable Gain Amplifier (PGA)
Noise Gate for Noise Suppression
Programmable Threshold & Attack/Release
Rates
Differential or Single-Ended
+16 dB to +32 dB w/1dB step MIC Pre-
Amplifiers
Programmable, Low Noise MIC Bias Levels
Bass & Treble Tone Control, De-Emphasis
Master Vol. and Independent PCM SDIN + ADC
SDOUT Mix Volume Control
Soft-Ramp & Zero-Cross Transitions
Programmable Peak-Detect and Limiter
Beep Generator w/Full Tone Control
+1.65 V to +2.63 V
Analog Supply
Summing
Programmable
Gain Amps
Class D Stereo/Mono Speaker Amplifier
No External Filter Required
High Stereo Output Power at 10% THD+N
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2 x 1.00 W into 8
Ω
@ 5.0 V
2 x 550 mW into 8
Ω
@ 3.7 V
2 x 230 mW into 8
Ω
@ 2.5 V
1 x 1.90 W into 4
Ω
@ 5.0 V
1 x 1.00 W into 4
Ω
@ 3.7 V
1 x 350 mW into 4
Ω
@ 2.5 V
Battery Level Monitoring & Compensation
Flexible Stereo Analog Input Architecture
High Mono Output Power at 10% THD+N
Programmable Automatic Level Control (ALC)
Direct Battery Powered Operation
82% Efficiency at 800 mW
Phase-Aligned PWM Output Reduces Idle
Channel Current
Spread Spectrum Modulation
Low Quiescent Current
Dual MIC Inputs
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Stereo Headphone Amplifier
Ground Centered Outputs
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No DC-Blocking Capacitors Required
Integrated Negative Voltage Regulator
2 x 23 mW Into 16
Ω
@ 1.8 V
2 x 44 mW Into 16
Ω
@ 2.5 V
Digital Signal Processing Engine
High Power Output at -75 dB THD+N
(Features continued on
+1.60 V to +5.25 V
Battery
+
-
+
-
+1.65 V to +2.63 V
Digital Supply
Battery Level Monitoring & Compensation
Temperature Monitor
ALC
Pulse-Width
Modulator
(PWM)
Class D Amps
Multi-bit
Volume, Mono
Swap, Mix
Mono mix,
Limiter, Bass,
Treble Adjust
Σ
Left
Inputs
Right
Inputs
1
2
3
4
1
2
3
4
Beep
Stereo/Mono
Full-Bridge
Speaker
Outputs
Left HP/Line
Output
ΔΣ
ADC
Multi-bit
ΔΣ
DAC
Ground-Centered
Amps
Σ
+16 to +32 dB Diff./
S.E. MIC Pre-Amps
MIC Bias
ALC
HPF
Right HP/Line
Output
Serial Audio Port
-VHP
+VHP
Control Port
Speaker/HP
Switch
+1.65 V to +2.63 V
Headphone Supply
Level Shifter
Charge Pump
Selectable
Bias Voltage
+1.65 V to +3.47 V
2
I C Control
Interface Supply
Reset
Serial Audio
Input/Output
+1.65 V to +2.63 V
Analog Supply
Advance 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. 2006
(All Rights Reserved)
DECEMBER '06
DS680A1
CIRRUS [ CIRRUS LOGIC ]
