Analog Devices AD620 - Manual (Page 2)

AD620–SPECIFICATIONS
(Typical @ +25 ؇C, V
S
= ؎15 V, and R
L
= 2 k ⍀, unless otherwise noted)
AD620A AD620B AD620S 1
Model Conditions Min Typ Max Min Typ Max Min Typ Max Units
GAIN G = 1 + (49.4 k/R
G
)
Gain Range 1 10,000 1 10,000 1 10,000
Gain Error 2 V
OUT
= ± 10 V
G = 1 0.03 0.10 0.01 0.02 0.03 0.10 %
G = 10 0.15 0.30 0.10 0.15 0.15 0.30 %
G = 100 0.15 0.30 0.10 0.15 0.15 0.30 %
G = 1000 0.40 0.70 0.35 0.50 0.40 0.70 %
Nonlinearity, V
OUT
= –10 V to +10 V,
G = 1–1000 R
L
= 10 k Ω 10 40 10 40 10 40 ppm
G = 1–100 R
L
= 2 k Ω 10 95 10 95 10 95 ppm
Gain vs. Temperature
G =1 10 10 10 ppm/ ° C
Gain >1 2 –50 –50 –50 ppm/ ° C
VOLTAGE OFFSET (Total RTI Error = V
OSI
+ V
OSO
/G)
Input Offset, V
OSI
V
S
=
±
5 V to
±
15 V 30 125 15 50 30 125
µ
V
Over Temperature V
S
=
±
5 V to
±
15 V 185 85 225
µ
V
Average TC V
S
=
±
5 V to
±
15 V 0.3 1.0 0.1 0.6 0.3 1.0
µ
V/
°
C
Output Offset, V
OSO
V
S
=
±
15 V 400 1000 200 500 400 1000
µ
V
V
S
=
±
5 V 1500 750 1500
µ
V
Over Temperature V
S
=
±
5 V to
±
15 V 2000 1000 2000
µ
V
Average TC V
S
=
±
5 V to
±
15 V 5.0 15 2.5 7.0 5.0 15
µ
V/
°
C
Offset Referred to the
Input vs.
Supply (PSR)
V
S
= ± 2.3 V to ± 18 V
G = 1 80 100 80 100 80 100 dB
G = 10 95 120 100 120 95 120 dB
G = 100 110 140 120 140 110 140 dB
G = 1000 110 140 120 140 110 140 dB
INPUT CURRENT
Input Bias Current 0.5 2.0 0.5 1.0 0.5 2 nA
Over Temperature 2.5 1.5 4 nA
Average TC 3.0 3.0 8.0 pA/
°
C
Input Offset Current 0.3 1.0 0.3 0.5 0.3 1.0 nA
Over Temperature 1.5 0.75 2.0 nA
Average TC 1.5 1.5 8.0 pA/
°
C
INPUT
Input Impedance
Differential 10 ʈ2 10 ʈ2 10 ʈ2 G Ω ʈpF
Common-Mode 10 ʈ2 10 ʈ2 10 ʈ2 G Ω ʈpF
Input Voltage Range 3 V
S
= ± 2.3 V to ± 5 V –V
S
+ 1.9 +V
S
– 1.2 –V
S
+ 1.9 +V
S
– 1.2 –V
S
+ 1.9 +V
S
– 1.2 V
Over Temperature –V
S
+ 2.1 +V
S
– 1.3 –V
S
+ 2.1 +V
S
– 1.3 –V
S
+ 2.1 +V
S
– 1.3 V
V
S
= ± 5 V to ± 18 V –V
S
+ 1.9 +V
S
– 1.4 –V
S
+ 1.9 +V
S
– 1.4 –V
S
+ 1.9 +V
S
– 1.4 V
Over Temperature –V
S
+ 2.1 +V
S
– 1.4 –V
S
+ 2.1 +V
S
– 1.4 –V
S
+ 2.3 +V
S
– 1.4 V
Common-Mode Rejection
Ratio DC to 60 Hz with
I k
Ω
Source Imbalance V
CM
= 0 V to
±
10 V
G = 1 73 90 80 90 73 90 dB
G = 10 93 110 100 110 93 110 dB
G = 100 110 130 120 130 110 130 dB
G = 1000 110 130 120 130 110 130 dB
OUTPUT
Output Swing R
L
= 10 k
Ω
,
V
S
=
±
2.3 V to
±
5 V –V
S
+ 1.1 +V
S
– 1.2 –V
S
+ 1.1 +V
S
– 1.2 –V
S
+ 1.1 +V
S
– 1.2 V
Over Temperature –V
S
+ 1.4 +V
S
– 1.3 –V
S
+ 1.4 +V
S
– 1.3 –V
S
+ 1.6 +V
S
– 1.3 V
V
S
= ± 5 V to ± 18 V –V
S
+ 1.2 +V
S
– 1.4 –V
S
+ 1.2 +V
S
– 1.4 –V
S
+ 1.2 +V
S
– 1.4 V
Over Temperature –V
S
+ 1.6 +V
S
– 1.5 –V
S
+ 1.6 +V
S
– 1.5 –V
S
+ 2.3 +V
S
– 1.5 V
Short Current Circuit ± 18 ± 18 ± 18 mA
REV. E –2–