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MC145540P PDF预览

MC145540P

更新时间: 2024-10-28 19:57:23
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA PC电信光电二极管电信集成电路
页数 文件大小 规格书
116页 891K
描述
ADPCM Codec, A/MU-Law, 1-Func, CMOS, PDIP28, PLASTIC, DIP-28

MC145540P 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP28,.6Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.89
压伸定律:A/MU-LAW滤波器:YES
最大增益公差:0.25 dBJESD-30 代码:R-PDIP-T28
JESD-609代码:e0长度:36.83 mm
线性编码:NOT AVAILABLE功能数量:1
端子数量:28工作模式:SYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP28,.6封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V认证状态:Not Qualified
座面最大高度:5.08 mm子类别:Codecs
标称供电电压:5 V表面贴装:NO
技术:CMOS电信集成电路类型:ADPCM CODEC
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:15.24 mmBase Number Matches:1

MC145540P 数据手册

 浏览型号MC145540P的Datasheet PDF文件第6页浏览型号MC145540P的Datasheet PDF文件第7页浏览型号MC145540P的Datasheet PDF文件第8页浏览型号MC145540P的Datasheet PDF文件第10页浏览型号MC145540P的Datasheet PDF文件第11页浏览型号MC145540P的Datasheet PDF文件第12页 
1.1 INTRODUCTION  
The MC145540 ADPCM Codec is a single chip implementation of a PCM codec-filter and an ADPCM  
encoder/decoder, and therefore provides an efficient solution for applications requiring the digitization  
and compression of voiceband signals. This device is designed to operate over a wide voltage range,  
2.7 to 5.25 V, and as such is ideal for battery powered as well as ac powered applications. The  
MC145540 ADPCM Codec also includes a serial control port and internal control and status registers  
that permit a microcontroller to exercise many built-in features.  
The ADPCM Codec is designed to meet the 32 kbps ADPCM conformance requirements of CCITT  
Recommendation G.721 and ANSI T1.301. It also meets ANSI T1.303 and CCITT Recommendation  
G.723 for 24 kbps ADPCM operation, and the 16 kbps ADPCM standard, CCITT Recommendation  
G.726. This device also meets the PCM conformance specification of the CCITT G.714 Recommenda-  
tion.  
1.2 FEATURES  
Key features of the MC145540 ADPCM Codec include:  
Single 2.7 to 5.25 V Power Supply  
Typical 3 V Power Dissipation of 55 mW, Power Down of 0. 15 mW  
Differential Analog Circuit Design for Lowest Noise  
Complete Mu-Law and A-Law Companding PCM Codec/Filter  
ADPCM Transcoder for 64, 32, 24, and 16 kbps data rates  
Universal Programmable Dual Tone Generator  
Programmable Transmit Gain, Receive Gain, and Sidetone Gain  
Low Noise, High Gain, Three Terminal Input Operational Amplifier for Microphone Interface  
Push-Pull 300 Power Drivers with External Gain Adjust for Receiver Interface  
Push-Pull 300 Auxiliary Output Drivers for Ringer Interface  
Voltage Regulated Charge Pump to Power the Analog Circuitry in Low Voltage Applications  
Receive Side Noise Burst Detect Algorithm  
MOTOROLA  
MC145540  
1-1  

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