MC14555 MOTOROLA [Motorola, Inc], MC14555 Datasheet - Page 15

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

MOTOROLA
NOTES:
Number
Chord
1. Characteristics are symmetrical about analog zero with sign bit = 0 for negative analog values.
2. Digital code includes inversion of all magnitude bits.
8
7
6
5
4
3
2
1
of Steps
Number
16
16
16
16
16
16
16
15
1
Step
Size
256
128
64
32
16
8
4
2
1
Normalized
Decision
Encode
Levels
8159
7903
4319
4063
2143
2015
1055
991
511
479
239
223
103
95
35
31
Table 3. Mu–Law Encode–Decode Characteristics
3
1
0
Sign
1
1
1
1
1
1
1
1
1
1
1
Chord
2
0
0
0
0
0
1
1
1
1
1
Chord
3
0
0
0
1
1
0
0
1
1
1
Chord
Digital Code
4
0
0
1
0
1
0
1
0
1
1
MC145554 MC145557 MC145564 MC145567
Step
5
0
1
1
1
1
1
1
1
1
1
Step
6
0
1
1
1
1
1
1
1
1
1
Step
7
0
1
1
1
1
1
1
1
1
1
Step
8
0
1
1
1
1
1
1
1
0
1
Normalized
Decode
Levels
8031
4191
2079
1023
495
231
99
33
2
0
15