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參數(shù)資料
型號(hào)： W681512WG
廠商： WINBOND ELECTRONICS CORP
元件分類： 編解碼器
英文描述： SINGLE-CHANNEL VOICEBAND CODEC
中文描述： A/MU-LAW, PCM CODEC, PDSO20
封裝： 4.40 X 6.50 MM, LEAD FREE, PLASTIC, TSSOP-20
文件頁(yè)數(shù)： 4/38頁(yè)
文件大小： 305K
代理商： W681512WG
W681512
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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............................................................................................................ 8
7.1. Transmit Path ................................................................................................................................8
7.2. Receive Path .................................................................................................................................9
7.3. Power Management.....................................................................................................................10
7.3.1. Analog and Digital Supply.....................................................................................................10
7.3.2. Analog Ground Reference Voltage Output...........................................................................10
7.4. PCM Interface..............................................................................................................................10
7.4.1. Long Frame Sync..................................................................................................................10
7.4.2. Short Frame Sync.................................................................................................................11
7.4.3. General Circuit Interface (GCI).............................................................................................11
7.4.4. Interchip Digital Link (IDL).....................................................................................................12
7.4.5. System Timing ......................................................................................................................12
8. TIMING DIAGRAMS.......................................................................................................................... 13
9. ABSOLUTE MAXIMUM RATINGS....................................................................................................20
9.1. Absolute Maximum Ratings.........................................................................................................20
9.2. Operating Conditions...................................................................................................................20
10. ELECTRICAL CHARACTERISTICS...............................................................................................21
10.1. General Parameters ..................................................................................................................21
10.2. Analog Signal Level and Gain Parameters ...............................................................................22
10.3. Analog Distortion and Noise Parameters ..................................................................................23
10.4. Analog Input and Output Amplifier Parameters.........................................................................24
10.5. Digital I/O...................................................................................................................................26
10.5.1.
μ
-Law Encode Decode Characteristics...............................................................................26
10.5.2. A-Law Encode Decode Characteristics..............................................................................27
10.5.3. PCM Codes for Zero and Full Scale...................................................................................28
10.5.4. PCM Codes for 0dBm0 Output...........................................................................................28
11. TYPICAL APPLICATION CIRCUIT................................................................................................. 29
12. PACKAGE SPECIFICATION .......................................................................................................... 31
12.1. 20L SOG (SOP)-300mil.............................................................................................................31
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參數(shù)描述
W681512WG TR 功能描述:IC VOICEBND CODEC 5V 1CH 20TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR)
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