si3225 Silicon Laboratories, si3225 Datasheet - Page 83

• Manufacturer Part Number: si3225
• Description: Dual Proslic Programmable Cmos Slic/codec
• Manufacturer: Silicon Laboratories

Segment
Number
7
6
5
4
3
2
1
Notes:
1. Characteristics are symmetrical about analog zero with sign bit = 0 for negative values.
2. Digital code includes inversion of even-numbered bits. Other available formats include inversion of odd bits, inversion
of all bits, or no bit inversion. See "3.30. PCM Companding" on page 80 for more details.
#intervals X interval size
16 X 128
16 X 64
16 X 32
16 X 16
16 X 8
16 X 4
32 X 2
Table 44. A-Law Encode-Decode Characteristics
Value at segment endpoints
4096
3968
.
.
2176
2048
.
.
.
1088
1024
.
.
.
544
512
.
.
.
272
256
.
.
.
136
128
.
.
.
68
64
.
.
.
2
0
Rev. 1.3
Si3220/25 Si3200/02
Digital Code
10101010b
10100101b
10110101b
10000101b
10010101b
11100101b
11110101b
11010101b
1,2
Decode Level
4032
2112
1056
528
264
132
66
1
83