w681512 Winbond Electronics Corp America, w681512 Datasheet - Page 4

• Manufacturer Part Number: w681512
• Description: Single-channel Voiceband Codec
• Manufacturer: Winbond Electronics Corp America

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
8. TIMING DIAGRAMS.......................................................................................................................... 13
9. ABSOLUTE MAXIMUM RATINGS.................................................................................................... 20
10. ELECTRICAL CHARACTERISTICS ............................................................................................... 21
11. TYPICAL APPLICATION CIRCUIT ................................................................................................. 29
12. PACKAGE SPECIFICATION .......................................................................................................... 31
7.1. Transmit Path ................................................................................................................................ 8
7.2. Receive Path ................................................................................................................................. 9
7.3. Power Management..................................................................................................................... 10
7.4. PCM Interface .............................................................................................................................. 10
9.1. Absolute Maximum Ratings ......................................................................................................... 20
9.2. Operating Conditions ................................................................................................................... 20
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
12.1. 20L SOG (SOP)-300mil ............................................................................................................. 31
7.3.1. Analog and Digital Supply ..................................................................................................... 10
7.3.2. Analog Ground Reference Voltage Output ...........................................................................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
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
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W681512