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參數資料
型號: W6811
廠商: WINBOND ELECTRONICS CORP
英文描述: 2-WIRE FIELD PROGRAMMABLE W/TIN PLATING
中文描述: 單通道聲帶編解碼器
文件頁數: 4/37頁
文件大小: 457K
代理商: W6811
W6811
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4. TABLE OF CONTENTS
1. GENERAL DESCRIPTION................................................................................................................. 2
2. FEATURES ......................................................................................................................................... 2
3. BLOCK DIAGRAM .............................................................................................................................. 3
4. TABLE OF CONTENTS...................................................................................................................... 4
5. PIN CONFIGURATION....................................................................................................................... 6
6. PIN DESCRIPTION............................................................................................................................. 7
7. FUNCTIONAL DESCRIPTION............................................................................................................ 9
7.1. Transmit Path............................................................................................................................. 9
7.2. Receive Path............................................................................................................................ 10
7.3. Power Management................................................................................................................. 11
7.3.1. Analog Supply ................................................................................................................ 11
7.3.2. Digital Supply ................................................................................................................. 11
7.3.3. Analog Ground Reference Bypass................................................................................. 11
7.3.4. Analog Ground Reference Voltage Output.................................................................... 11
7.4. PCM Interface.......................................................................................................................... 11
7.4.1. Long Frame Sync........................................................................................................... 12
7.4.2. Short Frame Sync .......................................................................................................... 12
7.4.3. GCI Interface.................................................................................................................. 12
7.4.4. IDL Interface................................................................................................................... 13
7.4.5. System Timing................................................................................................................ 13
8. TIMING DIAGRAMS.......................................................................................................................... 14
9. ABSOLUTE MAXIMUM RATINGS.................................................................................................... 21
9.1. Absolute Maximum Ratings ................................................................................................... 21
9.2. Operating Conditions ............................................................................................................. 21
10. ELECTRICAL CHARACTERISTICS............................................................................................... 22
10.1. General Parameters .............................................................................................................. 22
10.2. Analog Signal Level and Gain Parameters............................................................................ 23
10.3. Analog Distortion and Noise Parameters .............................................................................. 24
10.4. Analog Input and Output Amplifier Parameters..................................................................... 25
10.5. Digital I/O ............................................................................................................................... 27
10.5.1. μ-Law Encode Decode Characteristics........................................................................ 27
10.5.2. A-Law Encode Decode Characteristics ....................................................................... 28
10.5.3. PCM Codes for Zero and Full Scale ............................................................................ 29
10.5.4. PCM Codes for 0dBm0 Output .................................................................................... 29
11. TYPICAL APPLICATION CIRCUIT................................................................................................. 30
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