26
DS792F2
CS43L22
Confidential Draft
3/4/10
4.5
PWM Outputs
Note:
The PWM speaker amplifiers should not be used in the 384x MCLK modes (18.4320 and
16.9344 MHz).
Referenced Control
Register Location
PWM Control
SPKxMUTE .........................
MUTE50/50 .........................
SPKMONO ..........................
SPKxVOL[7:0] .....................
SPKSWAP...........................
SPKB=A ..............................
BATTCMP ...........................
VPREF[3:0] .........................
VPLVL[7:0] ..........................
PDN_SPKx[1:0]...................
SPKxSHRT..........................
VOL
PWM
Modulator
A
SPKAMUTE
SPKBMUTE
MUTE50/50
SPKMONO
SPKSWAP
SPKB=A
SPKAVOL[7:0]
SPKBVOL[7:0]
+0dB/-102dB
0.5dB steps
PDN_SPKA[1:0]
PDN_SPKB[1:0]
Short
Circuit
SPKASHRT
Battery
Compensation
BATTCMP
VPREF[3:0]
VPLVL[7:0]
SPKBSHRT
+
-
+
-
Gate
Drive
from DSP
Engine
Speaker
Outputs
B
Figure 10. PWM Output Stage
相关PDF资料
CS4461-CZZR IC ADC PSR FEEDBACK 24-TSSOP
CS5340-CZZ IC ADC AUD 101DB 200KHZ 16-TSSOP
CS5340-DZZR IC ADC AUD 101DB 200KHZ 16-TSSOP
CS5341-DZZ IC ADC AUD 105DB 200KHZ 16-TSSOP
CS5342-CZZ IC ADC AUD 105DB 200KHZ 16-TSSOP
CS5345-CQZ IC ADC AUD 104DB 200KHZ 48-LQFP
CS5345-DQZ IC ADC AUD 104DB 200KHZ 48-LQFP
CS5346-CQZR IC ADC AUD 103DB 200KHZ 48-LQFP
相关代理商/技术参数
CS43L23-CWZR 功能描述:IC DAC W/HDPN & SPKR AMPS 40-QFN 制造商:cirrus logic inc. 系列:* 零件状态:Not For New Designs 标准包装:6,000
CS43L36-CNZ 功能描述:IC-LOWPOWERHIGHPERFORMANCE HEADP 制造商:cirrus logic inc. 系列:* 零件状态:在售 标准包装:490
CS43L41 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low Power 24-Bit, 96 kHz DAC with Volume Control
CS43L41-KZ 制造商:Rochester Electronics LLC 功能描述:- Bulk
CS43L42 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low Voltage,Stereo DAC With Headphone Amp
CS43L42-EP 制造商:Cirrus Logic 功能描述:
CS43L42-KZ 功能描述:数模转换器- DAC IC Low PWR Str DAC w/Hdphn & Line Amp RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
CS43L42-KZR 功能描述:数模转换器- DAC IC Low PWR Str DAC w/Hdphn & Line Amp RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube