W6811IW Nuvoton Technology Corporation of America, W6811IW Datasheet - Page 27

• Manufacturer Part Number: W6811IW
• Description: IC VOICEBAND CODEC 5V/3V 24TSSOP
• Manufacturer: Nuvoton Technology Corporation of America
• Type: PCMr

Specifications of W6811IW

• Data Interface: PCM Audio Interface
• Resolution (bits): 8 b
• Number Of Adcs / Dacs: 1 / 1
• Sigma Delta: No
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 2.7 V ~ 3.3 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• For Use With: W6811DK - KIT DEVELOPMENT FOR W6811
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Normalized
Encode
Decision
Levels
Notes:
4096
3968
2048
2048
1088
1024
544
512
272
256
136
128
1. Sign bit = 0 for negative values, sign bit = 1 for positive values
2. Digital code includes inversion of all even number bits
68
64
2
0
:
:
:
:
:
:
:
10.5.2. A-Law Encode Decode Characteristics
Sign
D7
1
1
1
1
1
1
1
1
Chord
D6
0
0
0
0
0
1
1
1
Chord
D5
1
1
1
0
0
1
1
0
Chord
Digital Code
D4
0
0
1
0
1
0
0
1
Step
- 27 -
D3
1
0
0
0
0
0
0
0
Publication Release Date: September, 2005
Step
D2
0
1
1
1
1
1
1
1
Step
D1
1
0
0
0
0
0
0
0
Step
D0
0
1
1
1
1
1
1
1
W6811
Revision A12
Normalized
Decode
Levels
4032
2112
1056
528
264
132
66
1
:
:
:
:
:
:
: