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PDF CRD42L52 Data sheet ( Hoja de datos )

Número de pieza CRD42L52
Descripción Stereo CODEC w/Headphone & Speaker Amps
Fabricantes Cirrus Logic　
Logotipo Cirrus Logic Logotipo



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CS42L52
Low Power, Stereo CODEC w/Headphone & Speaker Amps
Stereo CODEC
 High Performance Stereo ADC & DAC
– 98 dB Dynamic Range (A-wtd)
– -88 dB THD+N
 Flexible Stereo Analog Input Architecture
– 4:1 Analog Input MUX
– Analog Input Mixing
– Analog Passthru with Volume Control
– Analog Programmable Gain Amplifier (PGA)
 Programmable Automatic Level Control (ALC)
– Noise Gate for Noise Suppression
– Programmable Threshold & Attack/Release
Rates
 Dual MIC Inputs
– Differential or Single-Ended
– +16 dB to +32 dB w/1dB step MIC Pre-
Amplifiers
– Programmable, Low Noise MIC Bias Levels
 Digital Signal Processing Engine
– 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
Class D Stereo/Mono Speaker Amplifier
 No External Filter Required
 High Stereo Output Power at 10% THD+N
– 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
 High Mono Output Power at 10% THD+N
– 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
 Direct Battery Powered Operation
– Battery Level Monitoring & Compensation
 82% Efficiency at 800 mW
 Phase-Aligned PWM Output Reduces Idle
Channel Current
 Spread Spectrum Modulation
 Low Quiescent Current
Stereo Headphone Amplifier
 Ground Centered Outputs
– No DC-Blocking Capacitors Required
– Integrated Negative Voltage Regulator
 High Power Output at -75 dB THD+N
– 2 x 23 mW Into 16 Ω @ 1.8 V
– 2 x 44 mW Into 16 Ω @ 2.5 V
(Features continued on page 2)
+1.65 V to +2.63 V
Analog Supply
Summing
Programmable
Gain Amps
Σ
Left
Inputs
Right
Inputs
1
2
3
4
1
2
3
4
Multi-bit
ΔΣ ADC
Σ
+16 to +32 dB Diff./
S.E. MIC Pre-Amps
MIC Bias
+1.65 V to +2.63 V
Digital Supply
+1.60 V to +5.25 V
Battery
Battery Level Monitoring & Compensation
Temperature Monitor
ALC Beep
Pulse-Width
Modulator
(PWM)
Class D Amps
Volume, Mono
Swap, Mix
Mono mix,
Limiter, Bass,
Treble Adjust
HPF
ALC
Multi-bit
ΔΣ DAC
Ground-Centered
Amps
Control Port
Serial Audio Port
Level Shifter
-VHP
+VHP
Charge Pump
+ Stereo/Mono
- Full-Bridge
+
-
Speaker
Outputs
Left HP/Line
Output
Right HP/Line
Output
Speaker/HP
Switch
+1.65 V to +2.63 V
Headphone Supply
Selectable
Bias Voltage
+1.65 V to +3.47 V
Interface Supply
I2C Control
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.
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
DECEMBER '06
DS680A1

1 page




CRD42L52 pdf
CS42L52
6.11.5 ADC Mute ............................................................................................................................ 51
6.12 Playback Control 1 (Address 0Dh) ............................................................................................... 51
6.12.1 Headphone Analog Gain ..................................................................................................... 51
6.12.2 Playback Volume Setting B=A ............................................................................................ 51
6.12.3 Invert PCM Signal Polarity .................................................................................................. 51
6.12.4 Master Playback Mute ......................................................................................................... 51
6.13 Miscellaneous Controls (Address 0Eh) ........................................................................................ 52
6.13.1 Passthru Analog .................................................................................................................. 52
6.13.2 Passthru Mute ..................................................................................................................... 52
6.13.3 Freeze Registers ................................................................................................................. 52
6.13.4 HP/Speaker De-Emphasis .................................................................................................. 52
6.13.5 Digital Soft Ramp ................................................................................................................ 53
6.13.6 Digital Zero Cross ................................................................................................................ 53
6.14 Playback Control 2 (Address 0Fh) ................................................................................................ 53
6.14.1 Headphone Mute ................................................................................................................. 53
6.14.2 Speaker Mute ...................................................................................................................... 53
6.14.3 Speaker Volume Setting B=A .............................................................................................. 54
6.14.4 Speaker Channel Swap ....................................................................................................... 54
6.14.5 Speaker MONO Control ...................................................................................................... 54
6.14.6 Speaker Mute 50/50 Control ............................................................................................... 54
6.15 MICx Amp Control:
MIC A (Address 10h) & MIC B (Address 11h) ...................................................................................... 54
6.15.1 MIC x Select ........................................................................................................................ 54
6.15.2 MICx Configuration .............................................................................................................. 55
6.15.3 MICx Gain ........................................................................................................................... 55
6.16 PGAx Vol. & ALCx Transition Ctl.:
ALC, PGA A (Address 12h) & ALC, PGA B (Address 13h) .................................................................. 55
6.16.1 ALCx Soft Ramp Disable ..................................................................................................... 55
6.16.2 ALCx Zero Cross Disable .................................................................................................... 55
6.16.3 PGAx Volume ...................................................................................................................... 56
6.17 Passthru x Volume: PASSAVOL (Address 14h) & PASSBVOL (Address 15h) .......................... 56
6.17.1 Passthru x Volume .............................................................................................................. 56
6.18 ADCx Volume Control: ADCAVOL (Address 16h) & ADCBVOL (Address 17h) .......................... 57
6.18.1 ADCx Volume ...................................................................................................................... 57
6.19 ADCx Mixer Volume: ADCA (Address 18h) & ADCB (Address 19h) ............................................ 58
6.19.1 ADC Mixer Channel x Mute ................................................................................................. 58
6.19.2 ADC Mixer Channel x Volume ............................................................................................. 58
6.20 PCMx Mixer Volume: PCMA (Address 1Ah) & PCMB (Address 1Bh) .......................................... 58
6.20.1 PCM Mixer Channel x Mute ................................................................................................ 58
6.20.2 PCM Mixer Channel x Volume ............................................................................................ 58
6.21 Beep Frequency & On Time (Address 1Ch) ................................................................................. 59
6.21.1 Beep Frequency .................................................................................................................. 59
6.21.2 Beep On Time ..................................................................................................................... 60
6.22 Beep Volume & Off Time (Address 1Dh) ...................................................................................... 60
6.22.1 Beep Off Time ..................................................................................................................... 60
6.22.2 Beep Volume ....................................................................................................................... 61
6.23 Beep & Tone Configuration (Address 1Eh) .................................................................................. 61
6.23.1 Beep Configuration .............................................................................................................. 61
6.23.2 Beep Mix Disable ................................................................................................................ 61
6.23.3 Treble Corner Frequency .................................................................................................... 62
6.23.4 Bass Corner Frequency ...................................................................................................... 62
6.23.5 Tone Control Enable ........................................................................................................... 62
6.24 Tone Control (Address 1Fh) ......................................................................................................... 62
6.24.1 Treble Gain .......................................................................................................................... 62
DS680A1
5

5 Page





CRD42L52 arduino
3. CHARACTERISTIC AND SPECIFICATIONS
CS42L52
RECOMMENDED OPERATING CONDITIONS
(AGND=DGND=0 V, all voltages with respect to ground.)
DC Power Supply
Analog
Headphone Amplifier
Speaker Amplifier
Digital
Serial/Control Port Interface
Ambient Temperature
Parameters
Commercial - CNZ
Automotive - DNZ
Symbol
VA
+VHP
VP
VD
VL
TA
Min
1.65
1.65
1.60
1.65
1.65
-40
-40
Max
2.63
2.63
5.25
2.63
3.47
+85
+105
Units
V
V
V
V
V
°C
°C
ABSOLUTE MAXIMUM RATINGS
(AGND = DGND = 0 V; all voltages with respect to ground.)
Parameters
Symbol Min
Max Units
DC Power Supply
Analog
Speaker
Digital
Serial/Control Port Interface
Input Current
(Note 1)
Analog Input Voltage
(Note 2)
Digital Input Voltage
(Note 2)
Ambient Operating Temperature (power applied)
Storage Temperature
VA, VHP
VP
VD
VL
Iin
VIN
VIND
TA
Tstg
-0.3
-0.3
-0.3
-0.3
-
AGND-0.7
-0.3
-50
-65
3.0
5.5
3.0
4.0
±10
VA+0.7
VL+ 0.4
+115
+150
V
V
V
V
mA
V
V
°C
°C
WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal operation
is not guaranteed at these extremes.
Notes:
1.
2.
Any pin except supplies. Transient currents of up to ±100 mA on the analog input pins will not cause
SCR latch-up.
The maximum over/under voltage is limited by the input current.
DS680A1
11

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