Data Sheet
120
110
100
90
80
AVCC/DVCC/VDRIVE = 5V
VDD/VSS = ±12V
70
TA = 25°C
INTERNAL REFERENCE
±2 × VREF RANGE
30kHz ON SELECTED CHANNEL
60
0
20
40
60
80
100 120 140
FREQUENCY OF INPUT NOISE (kHz)
Figure 22. Channel-to-Channel Isolation
AD7656/AD7657/AD7658
30
25
±10V RANGE
20
±5V RANGE
15
10
5
0
–40
–20
AVCC/DVCC/VDRIVE = +5V
fSAMPLE = 250kSPS
FOR ±5V RANGE VDD/VSS = ±12V
FOR ±10V RANGE VDD/VSS = ±16.5V
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 23. Dynamic Current vs. Temperature
Rev. D | Page 17 of 32