MC14555 MOTOROLA [Motorola, Inc], MC14555 Datasheet - Page 16

• Manufacturer Part Number: MC14555
• Description: PCM Codec-Filter
• Manufacturer: MOTOROLA [Motorola, Inc]

MC145554 MC145557 MC145564 MC145567
16
NOTES:
Number
Chord
1. Characteristics are symmetrical about analog zero with sign bit = 0 for negative analog values.
2. Digital code includes alternate bit inversion, as specified by CCITT.
7
6
5
4
3
2
1
of Steps
Number
16
16
16
16
16
16
32
Step
Size
128
64
32
16
8
4
2
Normalized
Decision
Encode
Levels
4096
3968
2176
2048
1088
1024
544
512
272
256
136
128
Table 4. A–Law Encode–Decode Characteristics
68
64
2
0
Sign
1
1
1
1
1
1
1
1
1
Chord
2
0
0
0
0
0
1
1
1
Chord
3
1
1
1
0
0
1
1
0
Chord
Digital Code
4
0
0
1
0
1
0
1
1
Step
5
1
0
0
0
0
0
0
0
Step
6
0
1
1
1
1
1
1
1
Step
7
1
0
0
0
0
0
0
0
Step
8
0
1
1
1
1
1
1
1
Normalized
MOTOROLA
Decode
Levels
4032
2112
1056
528
264
132
66
1