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CMAMP110M PDF预览

CMAMP110M

更新时间: 2024-02-21 09:47:09
品牌 Logo 应用领域
CALMIRCO 消费电路商用集成电路音频放大器视频放大器光电二极管
页数 文件大小 规格书
7页 92K
描述
Microphone Amplifier

CMAMP110M 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:MSOP包装说明:TSSOP,
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.83Is Samacsys:N
商用集成电路类型:AUDIO AMPLIFIER增益:18 dB
谐波失真:0.03%JESD-30 代码:S-PDSO-G8
长度:3 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.17 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3.3 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处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

CMAMP110M 数据手册

 浏览型号CMAMP110M的Datasheet PDF文件第2页浏览型号CMAMP110M的Datasheet PDF文件第3页浏览型号CMAMP110M的Datasheet PDF文件第4页浏览型号CMAMP110M的Datasheet PDF文件第5页浏览型号CMAMP110M的Datasheet PDF文件第6页浏览型号CMAMP110M的Datasheet PDF文件第7页 
CMAMP110  
Microphone Amplifier  
Features  
Product Description  
Microsoft PC99 & PC2001 compliant  
The CMAMP110 Microphone Amplifier selects (via  
MIC_SELECT) between and amplifies Internal and  
External Microphone input signals. The device is  
designed to be compliant with Microsoft PC99 and  
PC2001 specifications. The CMAMP110 contains the  
equivalent of 7 operational amplifiers and 19 precision  
resistors, and is intended for use in PC audio applica-  
tions. The Internal Microphone input is differential, but  
it can also be used single-ended by simply grounding  
one of the inputs through a capacitor. The External  
Microphone input is single-ended. A logic high level on  
the MIC_SELECT pin selects the external microphone  
input. Since the chip supplies the DC bias for the exter-  
nal microphone (EXT_MIC_BIAS), both dynamic and  
electret type microphones may be used. The output  
amplifier is unity gain stable and is capable of driving a  
resistive load in excess of 10K.  
Differential and Single-ended Microphone Inputs  
Internally frequency compensated for unity gain  
20dB DC voltage gain (maximum)  
BufferedDCbiasvoltageforexternalmicrophone  
Very low supply current (< 3.0 mA)  
20Kminimum input impedance  
Low Total Harmonic Distortion (0.03% at  
1 KHz typical)  
Small MSOP package  
Lead-free version available  
Applications  
Computers  
Mobile Phones  
PDA's  
MP3 Players  
Digital Cameras  
Video Tape Recorders  
The CMAMP110 Microphone Amplifier is housed in a  
space saving MSOP-8 package and is optionally avail-  
able with lead-free finishing.  
Electrical Schematic  
V+  
4
2.5K  
3
VREF  
EXT_MIC_BIAS  
RBIAS  
SW1  
8
EXT_MIC_IN  
2
VOUT  
6
SW2  
INT_MIC  
+
5
INT_MIC  
7
V−  
1
MIC_SELECT  
© 2004 California Micro Devices Corp. All rights reserved.  
01/09/04  
430 McCarthy Blvd., Milpitas, California 95035L Tel: (408) 263-3214  
L
Fax: (408) 263-7846  
L
www.calmicro.com  
1

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