AD694–SPECIFICATIONS
Model
INPUT CHARACTERISTICS
Input Voltage Range
Input Bias Current
Either Input, T
MIN
to T
MAX
Offset Current, T
MIN
to T
MAX
Offset Current Drift
Input Impedance
OUTPUT CHARACTERISTICS
Operating Current Range
Specified Performance
Output Voltage Compliance
Output Impedance, 4–20 mA
Current Limit (@ 2
×
FS Overdrive
Slew Rate
SPAN AND ZERO ACCURACY
1
4 mA Offset Error @ 0 V Input
2
Error from 4.000 mA, 4 mA On
Error from 0.000 mA, 4 mA Off
T
MIN
to T
MAX
vs. Supply (2 V Span/10 V Span)
Trim Range, 4 mA Zero
Span
Nominal Transfer Function
Input FS = 2 V
Input FS = 10 V
Transfer Function Error from Nom,
Input FS = 2 V, 10 V
T
MIN
to T
MAX
vs. Supply
Nonlinearity
3
4 mA On: Max Pin 9 Voltage
4 mA Off: Min Pin 9 Voltage
VOLTAGE REFERENCE
Output Voltage: 10 V Reference
Output Voltage: 2 V Reference
T
MIN
to T
MAX4
vs. Load, V
REF
= 2 V, 10 V
vs. Supply, V
REF
= 2 V, 10 V
Output Current
Source
Sink
ALARM CHARACTERISTICS
V
CE(SAT)
@ 2.5 mA
Leakage Current
Alarm Pin Current (Pin 10)
POWER REQUIREMENTS
Specified Performance
Operating Range
2 V FS, V
REF
= 2 V
2 V, 10 V FS, V
REF
= 2 V, 10 V
Quiescent Current, 4 mA Off
TEMPERATURE RANGE
Specified Performance
5
AD694AQ/BQ/AR/BR
AD694JN
Operating
AD694AQ/BQ/AR/BR
AD694JN
(@ +25 C, R
L
= 250
and V
S
= +24 V, unless otherwise noted)
Min
AD694BQ/BR
Typ
Max
Units
AD694JN/AQ/AR
Min
Typ
Max
–0.2
V
S
–2.0 V
1.5
±
0.1
±
1.0
5
0
4
V
S
–36 V
40.0
24
23
20
V
S
–2 V
50.0
44
1.3
V
S
–2.5 V –0.2
5
1
±
5.0
5
V
S
–2.0 V
V
S
–2.5 V V
1.5
±
0.1
±
1.0
5
1
±
5.0
nA
nA
pA/°C
MΩ
mA
mA
V
MΩ
mA
mA/µs
0
4
V
S
–36 V
40.0
50.0
24
1.3
23
20
V
S
–2 V
44
0
±
10
+10
±
10
0.3/0.05
2.0
20
+20
40
0.8/0.4
4.8
0
±
5
+5
±
5
0.3/0.05
2.0
10
+10
20
0.8/0.4
4.8
µA
µA
µA
µA/V
mA
8.0
1.6
±
0.1
±
0.002
±
0.001
±
0.005
3.0
9.960
1.992
2.5
10.000
2.000
30
0.15
±
0.001
0.2
0.35
1
20
24
4.5
12.5
1.5
–40
0
–55
–40
–2–
36
36
2.0
+85
+70
+125
+85
4.5
12.5
10.040
2.008
50
0.50
0.005
0.3
±
0.005
0.005
0.015
0.8
3.0
9.980
1.996
8.0
1.6
±
0.05
±
0.001
±
0.001
±
0.001
2.5
10.000
2.000
20
0.15
±
0.001
0.2
0.35
1
20
24
36
36
2.0
+85
+70
+125
+85
10.020
2.004
30
0.50
0.005
0.15
0.0025
0.005
0.005
0.8
mA/V
mA/V
% of Span
% of Span/°C
% of Span/V
% of Span
V
V
V
V
ppm/°C
mV/mA
%/V
mA
mA
V
µA
mA
V
V
V
mA
°C
°C
°C
°C
REV. A
5
5
1.5
–40
0
–55
–40
AD [ ANALOG DEVICES ]
