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AD524 Datasheet(HTML) 5 Page - Analog Devices

Part No. AD524
Description  Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD524 Datasheet(HTML) 5 Page - Analog Devices

 
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Preliminary Technical Data
AD8426
Rev. PrD | Page 5 of 20
Test Conditions/
Comments
A Grade
B Grade
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
RL = 10 kΩ to Ground
TA = +25°C
−VS + 0.2
+VS − 0.2
−VS + 0.2
+VS − 0.2
V
TA = +125°C
−VS + 0.3
+VS − 0.3
−VS + 0.3
+VS − 0.3
V
TA = −40°C
−VS + 0.2
+VS − 0.2
−VS + 0.2
+VS − 0.2
V
RL = 100 kΩ to Ground
TA = −40°C to +125°C
−VS + 0.1
+VS − 0.1
−VS + 0.1
+VS − 0.1
V
Short-Circuit Current
13
13
mA
POWER SUPPLY
Operating Range
Dual-supply operation
±1.35
±18
±1.35
±18
V
Quiescent Current
(Per Amplifier)
TA = +25°C
350
425
350
425
μA
TA = −40°C
250
325
250
325
μA
TA = +85°C
450
525
450
525
μA
TA = +125°C
525
600
525
600
μA
TEMPERATURE RANGE
−40
+125
−40
+125
°C
1 The input stage uses pnp transistors; therefore, input bias current always flows into the part.
2 The values specified for G > 1 do not include the effects of the external gain-setting resistor, RG.
3 Input voltage range of the AD8426 input stage. The input range depends on the common-mode voltage, the differential voltage, the gain, and the reference voltage.
See the Input Voltage Range section for more information.
SINGLE-SUPPLY OPERATION
+VS = 2.7 V, −VS = 0 V, VREF = 0 V, TA = 25°C, G = 1, RL = 10 kΩ, specifications referred to input, unless otherwise noted.
Table 3.
Test Conditions/
Comments
A Grade
B Grade
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
COMMON-MODE REJECTION
RATIO (CMRR)
VCM = 0 V to 1.7 V
CMRR, DC to 60 Hz
G = 1
80
86
dB
G = 10
100
105
dB
G = 100
105
110
dB
G = 1000
105
110
dB
CMRR at 5 kHz
G = 1
80
80
dB
G = 10
90
90
dB
G = 100
90
90
dB
G = 1000
100
100
dB
NOISE
Total noise:
eN = √(eNI2 + (eNO/G)2)
Voltage Noise
f = 1 kHz
Input Voltage Noise, eNI
22
24
22
24
nV/√Hz
Output Voltage Noise, eNO
120
125
120
125
nV/√Hz
RTI Noise
f = 0.1 Hz to 10 Hz
G = 1
2
2
μV p-p
G = 10
0.5
0.5
μV p-p
G = 100 to 1000
0.4
0.4
μV p-p
Current Noise
f = 1 kHz
100
100
fA/√Hz
f = 0.1 Hz to 10 Hz
3
3
pA p-p
VOLTAGE OFFSET
Total offset voltage:
VOS = VOSI + (VOSO/G)
Input Offset, VOSI
300
150
μV


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