12. Analog comparator and OP-AMP
MC97F6108A User’s manual
130
CA_REG3 (Comparator Amp Register 3) : 2F33H
7
6
5
4
3
2
1
0
-
DGCAL2[2] DGCAL2[1] DGCAL2[0]
-
DGCAL1[2] DGCAL1[1] DGCAL1[0]
-
R/W
R/W
R/W
-
R/W
R/W
R/W
Initial value: 00H
DGCAL2[2:0]
AMP2 DC gain selection
000
x 1
001
x 1.5
010
x 2
011
x 2.5
100
x 3
101
x 4
110
x 5
111
x 6
DGCAL1[2:0]
AMP1 DC gain selection
000
x 2.5
001
x 3
010
x 3.53
011
x 4
100
x 4.62
101
x 5
110
x8
111
X10
NOTE:
Since the calibration is conducted by the gain of 4x5 (CA_REG3 = 63h), +-4mV
offset spec is guaranteed only for the gain of 4x5 (CA_REG3 = 63h).