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CS44L11 PDF预览

CS44L11

更新时间: 2024-01-24 12:08:20
品牌 Logo 应用领域
凌云 - CIRRUS 放大器
页数 文件大小 规格书
34页 479K
描述
Low Voltage Class-D PWM Headphone Amplifier

CS44L11 技术参数

生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP,针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.33.00.01风险等级:5.67
标称带宽:20 kHz商用集成电路类型:AUDIO AMPLIFIER
JESD-30 代码:R-PDSO-G16长度:5 mm
信道数量:1功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:-10 °C标称输出功率:0.034 W
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态:Not Qualified座面最大高度:1.1 mm
最大供电电压 (Vsup):2.5 V最小供电电压 (Vsup):1.8 V
表面贴装:YES温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL宽度:4.4 mm
Base Number Matches:1

CS44L11 数据手册

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CS44L11  
Low Voltage Class-D PWM Headphone Amplifier  
Features  
Description  
 Up to 95 dB Dynamic Range  
 1.8 V to 2.4 V Analog and Digital Supplies  
 Sample Rates up to 96 kHz  
 Digital Tone Control  
The CS44L11 is a complete stereo digital-to-PWM  
Class-D audio amplifier system controller including in-  
terpolation, volume control, and a headphone amplifier  
in a 16-pin TSSOP package.  
The CS44L11 architecture uses a direct-to-digital ap-  
proach that maintains digital signal integrity to the final  
output filter. This minimizes analog interference effects  
that can negatively affect system performance.  
3 Selectable HPF and LPF Corner  
Frequencies  
– 12 dB Boost for Bass and Treble - 1 dB step  
size  
The CS44L11 contains on-chip digital bass and treble  
boost, peak signal limiting, and de-emphasis. The PWM  
amplifier can achieve greater than 90% efficiency. This  
efficiency leads to longer battery life for portable sys-  
tems, smaller device package, less heat sink  
requirements, and smaller power supplies.  
 Programmable Digital Volume Control  
+18 to -96 dB in 1 dB steps  
 Peak Signal Soft Limiting  
 De-emphasis for 32 kHz, 44.1 kHz, and 48 kHz  
 Selectable Outputs for Each Channel, including  
The CS44L11 is ideal for portable audio, headphone  
amplifiers, and mobile phones.  
Channel A: R, L, mono (L + R) / 2, mute  
Channel B: R, L, mono (L + R) / 2, mute  
 PWM PopGuard®  
ORDERING INFORMATION  
CS44L11-CZZ, Lead Free -10 to 70 °C 16-pin TSSOP  
 23 mW/Channel into 16 @ 2.4 V  
SCL/DIF0  
SDA/DEM  
VA_HPA  
Control Port  
Multibit ∆Σ  
Modulator with  
Correction  
PWM  
Conversion  
Level  
Shifter  
HP_A  
GND_HPA  
Digital Volume  
SDIN  
Control,  
Bass/Treble  
Boost,  
Compression  
Limiting,  
Serial  
Audio  
Port  
Interpolation  
SCLK  
LRCK  
De-emphasis  
VA_HPB  
HP_B  
Multibit ∆Σ  
Modulator with  
Correction  
PWM  
Conversion  
Level  
Shifter  
Input Sampling Rate  
LRCLK/MCLK Ratio  
GND_HPB  
VD  
MCLK  
RST  
This document contains information for a new product.  
Cirrus Logic reserves the right to modify this product without notice.  
Preliminary Product Information  
Copyright © Cirrus Logic, Inc. 2005  
JULY '05  
DS640PP4  
(All Rights Reserved)  
http://www.cirrus.com  

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