Datasheet

www.ti.com
PCM1850A
PCM1851A
SLES173 MARCH 2006
Table 3. PGA Gain Selection
PG5 PG4 PG3 PG2 PG1 PG0 PGA GAIN [dB] R
IN
[k , Typical]
(1)
0 0 1 0 1 0 –11 (default) 201
0 0 1 0 1 1 –10.5 199
0 0 1 1 0 0 –10 196
0 0 1 1 0 1 –9.5 193
0 0 1 1 1 0 –9 190
0 0 1 1 1 1 –8.5 188
0 1 0 0 0 0 –8 185
0 1 0 0 0 1 –7.5 181
0 1 0 0 1 0 –7 178
0 1 0 0 1 1 –6.5 175
0 1 0 1 0 0 –6 172
0 1 0 1 0 1 –5.5 169
0 1 0 1 1 0 –5 165
0 1 0 1 1 1 –4.5 162
0 1 1 0 0 0 –4 158
0 1 1 0 0 1 –3.5 155
0 1 1 0 1 0 –3 151
0 1 1 0 1 1 –2.5 147
0 1 1 1 0 0 –2 144
0 1 1 1 0 1 –1.5 140
0 1 1 1 1 0 –1 136
0 1 1 1 1 1 –0.5 133
1 0 0 0 0 0 0 129
1 0 0 0 0 1 0.5 125
1 0 0 0 1 0 1 122
1 0 0 0 1 1 1.5 118
1 0 0 1 0 0 2 114
1 0 0 1 0 1 2.5 111
1 0 0 1 1 0 3 107
1 0 0 1 1 1 3.5 103
1 0 1 0 0 0 4 100
1 0 1 0 0 1 4.5 96
1 0 1 0 1 0 5 93
1 0 1 0 1 1 5.5 89
1 0 1 1 0 0 6 86
1 0 1 1 0 1 6.5 83
1 0 1 1 1 0 7 80
1 0 1 1 1 1 7.5 77
1 1 0 0 0 0 8 73
1 1 0 0 0 1 8.5 70
1 1 0 0 1 0 9 68
1 1 0 0 1 1 9.5 65
1 1 0 1 0 0 10 62
1 1 0 1 0 1 10.5 59
1 1 0 1 1 0 11 57
(1) R
IN
(k , typical) = 258/(1 + 10
GAIN/20
)
The PCM1850A/1851A becomes mute for PG[5:0] values other than those listed.
17
Submit Documentation Feedback