CS43L22-CNZR Cirrus Logic Inc, CS43L22-CNZR Datasheet - Page 26

• Manufacturer Part Number: CS43L22-CNZR
• Description: IC Low Power DAC W/ClassD Spkr Driver
• Manufacturer: Cirrus Logic Inc

Specifications of CS43L22-CNZR

• Number Of Bits: 24
• Data Interface: Serial
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 598-1529 - BOARD EVAL FOR CS43L22
• Power Dissipation (max): -
• Settling Time: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

26
4.5
Referenced Control
PWM Control
SPKxMUTE .........................
MUTE50/50 .........................
SPKMONO ..........................
SPKxVOL[7:0] .....................
SPKSWAP...........................
SPKB=A ..............................
BATTCMP ...........................
VPREF[3:0] .........................
VPLVL[7:0] ..........................
PDN_SPKx[1:0]...................
SPKxSHRT..........................
from DSP
Engine
PWM Outputs
Note:
SPKAMUTE
SPKBMUTE
MUTE50/50
SPKMONO
SPKSWAP
SPKB=A
SPKAVOL[7:0]
SPKBVOL[7:0]
+0dB/-102dB
0.5dB steps
The PWM speaker amplifiers should not be used in the 384x MCLK modes (18.4320 and
16.9344 MHz).
Register Location
“Speaker Mute” on page 45
“Speaker Mute 50/50 Control” on page 46
“Speaker MONO Control” on page 46
“Speaker Volume Control” on page 52
“Speaker Channel Swap” on page 45
“Speaker Volume Setting B=A” on page 45
“Battery Compensation” on page 56
“VP Reference” on page 57
“VP Voltage Level (Read Only)” on page 57
“Speaker Power Control” on page 38
“Speaker Current Load Status (Read Only)” on page 57
VOL
Compensation
BATTCMP
VPREF[3:0]
VPLVL[7:0]
Figure 10. PWM Output Stage
Battery
Modulator
PWM
PDN_SPKA[1:0]
PDN_SPKB[1:0]
Confidential Draft
3/4/10
Drive
Gate
SPKASHRT
SPKBSHRT
Circuit
Short
Speaker
Outputs
CS43L22
+
+
DS792F2
-
-
A
B