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CS42L73-CRZ Datasheet(PDF) 1 Page - Cirrus Logic

No. de pieza CS42L73-CRZ
Descripción Electrónicos  Ultra Low Power Mobile Audio and Telephony CODEC
Download  7 Pages
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Fabricante Electrónico  CIRRUS [Cirrus Logic]
Página de inicio  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42L73-CRZ Datasheet(HTML) 1 Page - Cirrus Logic

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Copyright
 Cirrus Logic, Inc. 2010
(All Rights Reserved)
Advance Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
http://www.cirrus.com
MAY ‘10
DS882PB1
Ultra Low Power Mobile Audio and Telephony CODEC
Product Overview
For the full datasheet, visit
www.cirrus.com/codec-datasheets
/CS42L73-17
Stereo ADC
Dual Analog or Digital MIC Support
Dual MIC Bias Generators
Four DACs Coupled to Five Outputs
Ground-Centered Stereo Headphone Amp.
Ground-Centered Stereo Line Output
Mono Ear Speaker Amplifier
Mono 1 W Speakerphone Amplifier
Mono Speakerphone Line Output for Stereo
Speakerphone Expansion
Three Serial Ports with Asynchronous Sample
Rate Converters
Digital Audio Mixing and Routing
Ultra Low Power Consumption
3.5 mW Quiescent Headphone Playback
Applications
Smart Phones, UMPCs, and MIDs
System Features
Native (no PLL required) Support for 6/12/24
MHz, 13/26 MHz, and 19.2/38.4 MHz Master
Clock Rates in Add. to Typ. Audio Clock Rates
Integrated High-efficiency Power Management
Reduces Power Consumption
Internal LDO Regulator to Reduce Internal
Digital Operating Voltage to VL/2
Step-down Charge Pump Provides Low
Headphone/Line Out Supply Voltage
Inverting Charge Pump Accommodates Low
System Voltage by Providing Negative Rail
for HP and Line Amp
Flexible Speakerphone Amplifier Powering
3.00 V to 5.25 V Range
Independent Cycling
Power Down Management
Individual Controls for ADCs, Dig. MIC
Interface, MIC Bias Generators, Serial Ports,
and Output Amplifiers & Associated DACs
Programmable Thermal Overload Notification
High-speed I²C™ Control Port (400 kHz)
(Features continued on page 2)
CS42L73
`
Line Outputs
Pseudo Diff. Input
-
+
+VCP_FILT
-VCP_FILT
Digital Processing
CS42L73
Decimator,
HPF,
Noise
Gate,
ALC,
Volume,
Mute,
Swap/Mono
Volume, Mute, Limiter
MCLK
Stereo
Multi-bit
 DAC
MCLK
Stereo
Multi-bit
 DAC
LDO
VD_FILT
Headphone Outputs
Pseudo Diff. Input
-
+
+VCP_FILT
-VCP_FILT
Ear Speaker Output
VA
-
+
B
Speakerphone Line
Output (Right)
-
+
VP
B
VP
Speakerphone Output
(Left)
-
+
VP
A
VA
VA
Digital MIC Interface
Digital MIC Interface
VL
MCLK
Stereo
Multi-bit
 ADC
-6 to +12 dB,
0.5 dB steps
-
+
MIC 2
MIC 1
Pseudo Diff. Input
Pseudo Diff. Input
Line Input (Left)
Line Input (Right)
Pseudo Diff. Input
+10 or
+20 dB
-
+
+10 or
+20 dB
-
+
MIC 1 Bias
MIC 2 Bias
MIC Bias
Short Detect
MIC Bias
Audio Serial Port
Voice Serial Port
Auxiliary Serial Port
Audio
Serial Port
SDOUT
SDIN
ASRC
ASRC
Voice
Serial Port
SDOUT
ASRC
Auxiliary
Serial Port
SDIN
ASRC
SDOUT
ASRC
SDIN
ASRC
-VCP_FILT
Inverting
Step-Down
VCP +VCP_FILT
+VCP_FILT
-VCP_FILT
MCLK
MCLK1
MCLK2
Control Port
Control Port
VP
VD_FILT
Digital Mixer
Volume, Mute, Limiter
MIC2_SDET
+
Audio Serial Port
Voice Serial Port
Auxiliary Serial Port
MIC/Line Input Path


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