AD7770_17 Datasheet, PDF (66/98 Pages) Analog Devices – 8-Channel, 24-Bit, Simultaneous Sampling ADC

Data Sheet
CHANNEL 2 CONFIGURATION REGISTER
Address: 0x002, Reset: 0x00, Name: CH2_CONFIG
76543210
00000000
[7:6] CH2_GAIN (R/W)
AFE Gain
00: Gain 1.
01: Gain 2.
10: Gain 4.
11: Gain 8.
[5] CH2_REF_MONITOR (R/W)
Channel used as Reference m onitor
[4] CH2_RX (R/W)
Channel Meter Mux RX Mode
[2:0] RESERVED
[3] RESERVED
Table 47. Bit Descriptions for CH2_CONFIG
Bits Bit Name
Settings Description
[7:6] CH2_GAIN
AFE Gain
00 Gain = 1
01 Gain = 2
10 Gain = 4
11 Gain = 8
5 CH2_REF_MONITOR
Channel Used as Reference Monitor
4 CH2_RX
Channel Meter Mux Rx Mode
[3:0] RESERVED
Reserved
CHANNEL 3 CONFIGURATION REGISTER
Address: 0x003, Reset: 0x00, Name: CH3_CONFIG
76543210
00000000
[7:6] CH3_GAIN (R/W)
AFE Gain
00: Gain 1.
01: Gain 2.
10: Gain 4.
11: Gain 8.
[5] CH3_REF_MONITOR (R/W)
Channel used as Reference m onitor
[4] CH3_RX (R/W)
Channel Meter Mux RX Mode
[2:0] RESERVED
[3] RESERVED
Table 48. Bit Descriptions for CH3_CONFIG
Bits Bit Name
Settings Description
[7:6] CH3_GAIN
AFE Gain
00 Gain = 1
01 Gain = 2
10 Gain = 4
11 Gain = 8
5 CH3_REF_MONITOR
Channel Used as Reference Monitor
4 CH3_RX
Channel Meter Mux Rx Mode
[3:0] RESERVED
Reserved
AD7770
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
Rev. C | Page 65 of 97