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CS4461-CZZ PDF预览

CS4461-CZZ

更新时间: 2024-01-15 10:39:46
品牌 Logo 应用领域
凌云 - CIRRUS /
页数 文件大小 规格书
11页 255K
描述
Multi-Bit A/D for Class-D Real-Time PSR Feedback

CS4461-CZZ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:TSSOP
包装说明:TSSOP, TSSOP24,.25针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.23
最大模拟输入电压:3.9 V最小模拟输入电压:1.1 V
转换器类型:ADC, DELTA-SIGMAJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:7.8 mm
湿度敏感等级:3模拟输入通道数量:1
功能数量:1端子数量:24
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:BINARY封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP24,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3.3,5 V
认证状态:Not Qualified采样并保持/跟踪并保持:SAMPLE
座面最大高度:1.1 mm子类别:Analog to Digital Converters
标称供电电压:5 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:4.4 mmBase Number Matches:1

CS4461-CZZ 数据手册

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CS4461  
Multi-Bit A/D for Class-D Real-Time PSR Feedback  
Features  
General Description  
z Advanced Multi-bit Delta-Sigma Architecture  
The CS4461 is a complete analog-to-digital converter  
for class-D real-time power supply rejection (PSR) feed-  
back. It performs sampling and analog-to-digital  
conversion, generating digital data for input to a  
class-D modulator with real-time PSR feedback  
capabilities.  
z Real-time Feedback of Power Supply  
Conditions (AC and DC)  
z Filterless Digital Output Resulting in Very Low  
Signal Delay  
z 135 mW Power Consumption  
The CS4461 uses a 5th-order, multi-bit delta-sigma  
modulator followed by output data formatting. The ADC  
uses a differential architecture which provides excellent  
noise rejection.  
z Supports Logic Levels Between 3.3 V and  
5.0 V  
z Differential Analog Architecture  
z Modulator Overflow Detection  
The CS4461 feeds back the AC and DC voltage compo-  
nents and is ideal for class-D audio systems requiring  
high power supply rejection.  
z Interfaces Directly to the CS44800/CS44600  
Class-D PWM Modulator  
The CS4461 is available in a 24-pin TSSOP package in  
both Commercial (-10° to +70° C) and Automotive  
grade (-40° to +85° C). The CDB44800 Customer Dem-  
onstration board is also available for device evaluation  
and implementation suggestions. Please see “Ordering  
Information” on page 11 for complete details.  
z Multi-bit Conversion at up to 7.5 MHz  
z Delivers Modulated Data Over 2-Wire Interface  
VQ  
REFGND  
PSR_RESET PSR_EN  
FILT+  
Voltage Reference  
OVERFLOW  
PSR_MCLK  
Output Data  
AIN+  
AIN-  
+
LP Filter  
DAC  
PSR_SYNC  
∆Σ  
Formatting  
PSR_DATA  
-
S/H  
GND  
5.0 V  
(VA)  
3.3 V to 5.0 V  
(VDP)  
Copyright © Cirrus Logic, Inc. 2005  
SEPTEMBER '05  
DS650F1  
(All Rights Reserved)  
http://www.cirrus.com  

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