Adc chcd register 5 0x45 – Sundance SMT941 User Manual
Page 36

User Manual SMT941
Page 36 of 43
Last Edited: 23/08/2011 17:24:00
0
‘0’
Offset Correction Disabled.
1
‘1’
Offset Correction Enabled.
ADC Chcd Register 5 0x45.
ADC Chcd Register 5 0x45
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
Gain ChA (Common)
Offset Correction Time Constant ChA
Default
‘0000’
‘0000’
1
Reserved
Fine Gain Adjustment ChA (Common)
Default
‘0’
‘0000000’
ADC Chcd Register 5 0x45
Setting
Bit 3:0
Description Offset Correction Time Constant (number of clock cycles) ChA
0
‘0000’
256k
1
‘0001’
512k
2
‘0010’
1Meg
3
‘0011’
2Meg
4
‘0100’
4Meg
5
‘0101’
8Meg
6
‘0110’
16Meg
7
‘0111’
32Meg
8
‘1000’
64Meg
9
‘1001’
128Meg
10
‘1010’
256Meg
11
‘1011’
512Meg
Setting
Bit 7:4
Description Gain ChA (Common).
0
‘0000’
0dB gain
1
‘0001’
0.5dB gain
2
‘0010’
1.0dB gain
3
‘0011’
1.5dB gain
4
‘0100’
2.0dB gain
5
‘0101’
2.5dB gain
6
‘0110’
3.0dB gain
7
‘0111’
3.5dB gain
8
‘1000’
4.0dB gain
9
‘1001’
4.5dB gain
10
‘1010’
5.0dB gain
11
‘1011’
5.5dB gain
12
‘1100’
6.0dB gain
Setting
Bit 14:8
Description Fine Gain ChA (Common).