Low Power Instrumentation Amplifier Specification Sheet
AD620
AD620A AD620B AD620S
1
Model Conditions Min Typ Max Min Typ Max Min Typ Max Units
DYNAMIC RESPONSE
Small Signal –3 dB Bandwidth
G = 1 1000 1000 1000 kHz
G = 10 800 800 800 kHz
G = 100 120 120 120 kHz
G = 1000 12 12 12 kHz
Slew Rate 0.75 1.2 0.75 1.2 0.75 1.2 V/µs
Settling Time to 0.01% 10 V Step
G = 1–100 15 15 15 µs
G = 1000 150 150 150 µs
NOISE
Voltage Noise, 1 kHz
Total RTI Noise = (e
2
ni
)+(e
no
/ G )
2
Input, Voltage Noise, e
ni
913 913 913 nV/√Hz
Output, Voltage Noise, e
no
72 100 72 100 72 100 nV/√Hz
RTI, 0.1 Hz to 10 Hz
G = 1 3.0 3.0 6.0 3.0 6.0 µV p-p
G = 10 0.55 0.55 0.8 0.55 0.8 µV p-p
G = 100–1000 0.28 0.28 0.4 0.28 0.4 µV p-p
Current Noise f = 1 kHz 100 100 100 fA/√Hz
0.1 Hz to 10 Hz 10 10 10 pA p-p
REFERENCE INPUT
R
IN
20 20 20 kΩ
I
IN
V
IN+
, V
REF
= 0 +50 +60 +50 +60 +50 +60 µA
Voltage Range –V
S
+ 1.6 +V
S
– 1.6 –V
S
+ 1.6 +V
S
– 1.6 –V
S
+ 1.6 +V
S
– 1.6 V
Gain to Output 1 ± 0.0001 1 ± 0.0001 1 ± 0.0001
POWER SUPPLY
Operating Range
4
±2.3 ±18 ±2.3 ±18 ±2.3 ±18 V
Quiescent Current V
S
= ±2.3 V to ±18 V 0.9 1.3 0.9 1.3 0.9 1.3 mA
Over Temperature 1.1 1.6 1.1 1.6 1.1 1.6 mA
TEMPERATURE RANGE
For Specified Performance –40 to +85 –40 to +85 –55 to +125 °C
NOTES
1
See Analog Devices military data sheet for 883B tested specifications.
2
Does not include effects of external resistor R
G
.
3
One input grounded. G = 1.
4
This is defined as the same supply range which is used to specify PSR.
Specifications subject to change without notice.
REV. E
–3–