Analog Devices AD7194 Manual page 4

AD7194
Parameter
Normal Mode Rejection
4
Sinc Filter
Internal Clock
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
External Clock
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
3
Sinc Filter
Internal Clock
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
External Clock
@ 50 Hz, 60 Hz
@ 50 Hz
@ 50 Hz
@ 60 Hz
Fast Settling
Internal Clock
@ 50 Hz
@ 60 Hz
External Clock
@ 50 Hz
@ 60 Hz
ANALOG INPUTS
Differential Input
Voltage Ranges
Absolute AIN Voltage
2
Limits
Unbuffered Mode
Buffered Mode
Analog Input Current
Buffered Mode
2
Input Current
Input Current Drift
Unbuffered Mode
Input Current
Input Current Drift
Downloaded from Elcodis.com electronic components distributor
Min Typ
2
100
74
96
97
120
82
120
120
75
60
70
70
100
67
95
95
26
26
40
40
±V
REF
−(AV − 1.25 V)/gain
DD
AGND − 0.05
AGND + 0.25
−2
−3
±5
±3.5
±1
±0.05
±1.6
Max
/gain
+(AV − 1.25 V)/gain
DD
AV + 0.05
DD
AV − 0.25
DD
+2
+3
Rev. 0 | Page 4 of 56
Unit Test Conditions/Comments
dB 10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
dB 50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
dB 50 Hz output data rate, 50 Hz ± 1 Hz
dB 60 Hz output data rate, 60 Hz ± 1 Hz
dB 10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
dB
50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
dB 50 Hz output data rate, 50 Hz ± 1 Hz
dB 60 Hz output data rate, 60 Hz ± 1 Hz
dB 10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
dB 50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
dB 50 Hz output data rate, 50 Hz ± 1 Hz
dB 60 Hz output data rate, 60 Hz ± 1 Hz
dB 10 Hz output data rate, 50 Hz ± 1 Hz,
60 Hz ± 1 Hz
dB 50 Hz output data rate, REJ60
50 Hz ± 1 Hz, 60 Hz ± 1 Hz
dB 50 Hz output data rate, 50 Hz ± 1 Hz
dB 60 Hz output data rate, 60 Hz ± 1 Hz
dB 3
FS[9:0] = 6, average by 16, 50 Hz ± 0.5 Hz
dB 3
FS[9:0] = 5, average by 16, 60 Hz ± 0.5 Hz
dB 3
FS[9:0] = 6, average by 16, 50 Hz ± 0.5 Hz
dB 3
FS[9:0] = 5, average by 16, 60 Hz ± 0.5 Hz
V VREF = REFINx(+) − REFINx(−),
gain = 1 to 128
V Gain > 1
V
V
nA Gain = 1
nA Gain > 1
pA/°C
μA/V Gain = 1, input current varies with input
voltage
μA/V Gain > 1
nA/V/°C External clock
nA/V/°C Internal clock
1
6
= 1,
6
= 1,
6
= 1,
6
= 1,