AD7771_17 Datasheet, PDF (66/99 Pages) Analog Devices – 8-Channel, 24-Bit, Simultaneous Sampling ADC

Data Sheet
REGISTER DETAILS
CHANNEL 0 CONFIGURATION REGISTER
Address: 0x000, Reset: 0x00, Name: CH0_CONFIG
76543210
00000000
[7:6] CH0_GAIN (R/W)
AFE Gain
00: Gain 1.
01: Gain 2.
10: Gain 4.
11: Gain 8.
[5] CH0_REF_MONITOR (R/W)
Channel used as Reference monitor
[4] CH0_RX (R/W)
Channel Meter Mux RX Mode
[2:0] RESERVED
[3] RESERVED
Table 44. Bit Descriptions for CH0_CONFIG
Bits Bit Name
Settings Description
[7:6] CH0_GAIN
AFE Gain
00 Gain = 1
01 Gain = 2
10 Gain = 4
11 Gain = 8
5 CH0_REF_MONITOR
Channel Used as Reference Monitor
4 CH0_RX
Channel Meter Mux Rx Mode
[3:0] RESERVED
Reserved
CHANNEL 1 CONFIGURATION REGISTER
Address: 0x001, Reset: 0x00, Name: CH1_CONFIG
76543210
00000000
[7:6] CH1_GAIN (R/W)
AFE Gain
00: Gain = 1.
01: Gain = 2.
10: Gain = 4.
11: Gain = 8.
[5] CH1_REF_MONITOR (R/W)
Channel used as Reference m onitor
[4] CH1_RX (R/W)
Channel Meter Mux RX Mode
[2:0] RESERVED
[3] RESERVED
Table 45. Bit Descriptions for CH1_CONFIG
Bits Bit Name
Settings Description
[7:6] CH1_GAIN
AFE Gain
00 Gain = 1
01 Gain = 2
10 Gain = 4
11 Gain = 8
5 CH1_REF_MONITOR
Channel Used as Reference Monitor
4 CH1_RX
Channel Meter Mux Rx Mode
[3:0] RESERVED
Reserved
Rev. 0 | Page 65 of 98
AD7771
Reset Access
0x0 R/W
0x0 R/W
0x0 R/W
0x0 R/W
Reset Access
0x0 R/W
0x0 R/W
0x0 R/W
0x0 R/W