AD8426 데이터 시트보기 (PDF) - Analog Devices
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AD8426 Datasheet PDF : 28 Pages
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AD8426
Parameter
REFERENCE INPUT
RIN
IIN
Voltage Range
Reference Gain to Output
Reference Gain Error
GAIN
Gain Range
Gain Error
G=1
G = 5 to 1000
Gain vs. Temperature2
G=1
G>1
INPUT
Input Impedance
Differential
Common Mode
Input Operating Voltage
Range3
Input Overvoltage Range
OUTPUT
Output Swing
RL = 10 kΩ to 1.35 V
Short-Circuit Current
POWER SUPPLY
Operating Range
Quiescent Current
(Per Amplifier)
TEMPERATURE RANGE
Test Conditions/
Comments
G = 1 + (49.4 kΩ/RG)
VOUT = 0.8 V to 1.8 V
VOUT = 0.2 V to 2.5 V
TA = −40°C to +85°C
TA = +85°C to +125°C
TA = −40°C to +125°C
−VS = 0 V, +VS = 2.7 V
to 36 V
TA = +25°C
TA = +125°C
TA = −40°C
TA = −40°C to +125°C
A Grade
B Grade
Min
Typ Max
Min
Typ Max
Unit
100
100
kΩ
7
7
μA
−VS
+VS
−VS
+VS
V
1
1
V/V
0.01
0.01
%
1
1000
1
1000
V/V
0.05
0.05
%
0.3
0.1
%
5
5
−100
1
2
−100
ppm/°C
ppm/°C
ppm/°C
−0.1
−0.05
−0.15
+VS − 40
0.8||2
0.4||2
+VS − 0.7 −0.1
+VS − 0.6
+VS − 0.9
−VS + 40
−0.05
−0.15
+VS − 40
0.8||2
0.4||2
+VS − 0.7
GΩ||pF
GΩ||pF
V
+VS − 0.6 V
+VS − 0.9 V
−VS + 40 V
TA = −40°C to +125°C 0.1
Single-supply operation 2.2
−VS = 0 V, +VS = 2.7 V
TA = +25°C
TA = −40°C
TA = +85°C
TA = +125°C
−40
+VS − 0.1 0.1
13
36
2.2
325 400
250 325
425 500
475 550
+125
−40
+VS − 0.1 V
13
mA
36
V
325 400
μA
250 325
μA
425 500
μA
475 550
μA
+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.
Rev. 0 | Page 7 of 28
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