AD621–SPECIFICATIONS
(typical @ +25؇C, V =
؎
15 V, and RL = 2 k
⍀
, unless otherwise noted)
Gain = 10
S
AD621A
Typ
AD621B
AD620S1
Typ
Model
Conditions
Min
Max
Min
Typ
Max
Min
Max
Units
GAIN
Gain Error
Nonlinearity,
VOUT = ±10 V
0.15
0.05
0.15
%
VOUT = –10 V to +10 V RL = 2 kΩ
2
10
2
10
2
10
ppm of FS
Gain vs. Temperature
–1.5
±5
–1.5
±5
–1
±5
ppm/°C
TOTAL VOLTAGE OFFSET
Offset (RTI)
VS = ±15 V
VS = ±5 V to ±15 V
VS = ±5 V to ±15 V
75
250
400
2.5
50
125
215
1.5
75
250
500
2.5
µV
µV
µV/°C
Over Temperature
Average TC
1.0
120
0.6
120
1.0
120
Offset Referred to the
Input vs. Supply (PSR)2 VS = ±2.3 V to ± 18 V 95
100
95
dB
Total NOISE
Voltage Noise (RTI)
RTI
Current Noise
1 kHz
0.1 Hz to 10 Hz
f = 1 kHz
13
17
13
17
0.8
13
17
0.8
nV/√Hz
µV p-p
fA/√Hz
pA p-p
0.55
100
10
0.55
100
10
0.55
100
10
0.1 Hz–10 Hz
INPUT CURRENT
Input Bias Current
Over Temperature
Average TC
Input Offset Current
Over Temperature
Average TC
VS = ±15 V
0.5
2.0
2.5
0.5
1.0
1.5
0.5
2
4
nA
nA
pA/°C
nA
nA
3.0
0.3
3.0
0.3
8.0
0.3
1.0
1.5
0.5
0.75
1.0
2.0
1.5
1.5
8.0
pA/°C
INPUT
Input Impedance
Differential
Common-Mode
Input Voltage Range3
Over Temperature
10ʈ2
10ʈ2
10ʈ2
10ʈ2
10ʈ2
10ʈ2
GΩʈpF
GΩʈpF
V
V
V
V
VS = ±2.3 V to ± 5 V
VS = ±5 V to ±l8 V
–VS + 1.9
–VS + 2.1
–VS + 1.9
–VS + 2.1
+VS – 1.2 –VS + 1.9
+VS – 1.3 –VS + 2.1
+VS – 1.4 –VS + 1.9
+VS – 1.4 –VS + 2.1
+VS – 1.2 –VS + 1.9
+VS – 1.3 –VS + 2.1
+VS – 1.4 –VS + 1.9
+VS – 1.4 –VS + 2.3
+VS – 1.2
+VS – 1.3
+VS – 1.4
+VS – 1.4
Over Temperature
Common-Mode Rejection
Ratio DC to 60 Hz with
1 kΩ Source Imbalance VCM = 0 V to ± 10 V
OUTPUT
Output Swing
93
110
100
110
93
110
dB
RL = 10 kΩ,
VS = ±2.3 V to ± 5 V
–VS + 1.1
–VS + 1.4
–VS + 1.2
–VS + 1.6
+VS – 1.2 –VS + 1.1
+VS – 1.3 –VS + 1.4
+VS – 1.4 –VS + 1.2
+VS – 1.5 –VS + 1.6
+VS – 1.2 –VS + 1.1
+VS – 1.3 –VS + 1.6
+VS – 1.4 –VS + 1.2
+VS – 1.5 –VS + 2.3
+VS – 1.2
+VS – 1.3
+VS – 1.4
+VS – 1.5
V
V
V
V
Over Temperature
VS = ±5 V to ±18 V
Over Temperature
Short Current Circuit
±18
±18
±18
mA
DYNAMIC RESPONSE
Small Signal,
–3 dB Bandwidth
Slew Rate
Settling Time to 0.01%
800
1.2
12
800
1.2
12
800
1.2
12
kHz
V/µs
µs
0.75
0.75
0.75
10 V Step
REFERENCE INPUT
RIN
IIN
20
+50
20
+50
20
+50
kΩ
µA
V
VIN +, VREF = 0
+60
+60
+60
+VS – 1.6
Voltage Range
Gain to Output
–VS + 1.6
+VS – 1.6 –VS + 1.6
+VS – 1.6 VS + 1.6
1 ± 0.0001
1 ± 0.0001
1 ± 0.0001
POWER SUPPLY
Operating Range
Quiescent Current
Over Temperature
±2.3
±18
1.3
1.6
±2.3
±18
1.3
1.6
±2.3
±18
1.3
1.6
V
mA
mA
VS = ±2.3 V to ±18 V
0.9
1.1
0.9
1.1
0.9
1.1
TEMPERATURE RANGE
For Specified Performance
–40 to +85
–40 to +85
–55 to +125
°C
NOTES
1See Analog Devices military data sheet for 883B tested specifications.
2This is defined as the supply range over which PSRR is defined.
3Input Voltage Range = CMV + (Gain × VDIFF).
Specifications subject to change without notice.
–2–
REV. A