WM8232 Datasheet, PDF (79/141 Pages) Wolfson Microelectronics plc – 70MSPS 3-Channel AFE with Sensor Timing Generation and LVDS/CMOS Data Output

REGISTER BIT
LABEL
ADDRESS
R47 (2Fh)
4:0 AGAININ1[4:0]
AGAIN IN1
Register 2Fh AGAIN IN1
DEFAULT
DESCRIPTION
0_0001 PGA IN1 gain code
gain(V/V) = 0.6 + 0.3*AGAIN*[4:0]
REGISTER BIT
LABEL
ADDRESS
R50 (32h)
4:0 AGAININ2[4:0]
AGAIN IN2
Register 32h AGAIN IN2
DEFAULT
DESCRIPTION
0_0001 PGA IN2 gain code
gain(V/V) = 0.6 + 0.3*AGAIN*[4:0]
REGISTER BIT
LABEL
ADDRESS
R53 (35h)
4:0 AGAININ3[4:0]
AGAIN IN3
Register 35h AGAIN IN3
DEFAULT
DESCRIPTION
0_0001 PGA IN3 gain code
gain(V/V) = 0.6 + 0.3*AGAIN*[4:0]
REGISTER BIT
LABEL
ADDRESS
R58 (3Ah)
DGAIN IN1
7:4 DGAININ1[3:0]
LSB
Register 3Ah DGAIN IN1 LSB
DEFAULT
DESCRIPTION
0000
lower bits of digital gain IN1
1111_1111_1111_1111 = 1.99[V/V]
...
1000_0000_0000_0000 = 1.0[V/V]
...
0100_0000_0000_0000 = 0.5[V/V]
0011_1111_1111_1111 = reserved
…
0000_0000_0000_0000 = reserved
REGISTER
ADDRESS
R59 (3Bh)
DGAIN IN1
MSB
BIT
LABEL
DEFAULT
DESCRIPTION
7:0 DGAININ1[11:4] 1000_0000 upper bits of digital gain IN1
1111_1111_1111_1111 = 1.99[V/V]
...
1000_0000_0000_0000 = 1.0[V/V]
...
0100_0000_0000_0000 = 0.5[V/V]
0011_1111_1111_1111 = reserved
…
0000_0000_0000_0000 = reserved
Register 3Bh DGAIN IN1 MSB
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
ADDRESS
R64 (40h)
DGAIN IN2
7:4 DGAININ2[3:0]
0000
lower bits of digital gain IN2
1111_1111_1111_1111 = 1.99[V/V]
Rev 4.6
WM8232
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