AD8231-EVALZ 查看數據表（PDF） - Analog Devices
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AD8231-EVALZ Datasheet PDF : 24 Pages
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SPECIFICATIONS
VS = 5 V, VREF = 2.5 V, G = 1, RL = 10 kΩ, TA = 25°C, unless otherwise noted.
Table 2.
Parameter
INSTRUMENTATION AMPLIFIER
Offset Voltage
Input Offset, VOSI
Average Temperature Drift
Output Offset, VOSO
Average Temperature Drift
Input Currents
Input Bias Current
Input Offset Current
Gains
Gain Error
G=1
G = 2 to 128
Gain Drift
G = 1 to 32
G = 64
G = 128
Linearity
CMRR
G=1
G=2
G=4
G=8
G = 16
G = 32
G = 64
G = 128
Noise
Input Voltage Noise, eni
Output Voltage Noise, eno
Current Noise
Other Input Characteristics
Common-Mode Input Impedance
Power Supply Rejection Ratio
Input Operating Voltage Range
Reference Input
Input Impedance
Voltage Range
Conditions
VOS RTI = VOSI + VOSO/G
TA = −40°C to +125°C
TA = −40°C to +125°C
TA = −40°C to +125°C
TA = −40°C to +125°C
1, 2, 4, 8, 16, 32, 64, or 128
TA = −40°C to +125°C
0.2 V to 4.8 V, 10 kΩ load
0.2 V to 4.8 V, 2 kΩ load
en = √(eni2 + (eno/G)2), VIN+, VIN− = 2.5 V
f = 1 kHz
f = 1 kHz, TA = −40°C
f = 1 kHz, TA = 125°C
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 1 kHz, TA = −40°C
f = 1 kHz, TA = 125°C
f = 0.1 Hz to 10 Hz
f = 10 Hz
Rev. A | Page 3 of 24
AD8231
Min Typ Max Unit
4
15
μV
0.01 0.05 μV/°C
15
30
μV
0.05 0.5 μV/°C
250 500 pA
5
nA
20
100 pA
0.5
nA
0.05 %
0.8 %
3
10
ppm/°C
4
20
ppm/°C
10
30
ppm/°C
3
ppm
5
ppm
80
dB
86
dB
92
dB
98
dB
104
dB
110
dB
110
dB
110
dB
32
nV/√Hz
27
nV/√Hz
39
nV/√Hz
0.7
μV p-p
58
nV/√Hz
50
nV/√Hz
70
nV/√Hz
1.1
μV p-p
20
fA/√Hz
10||5
GΩ||pF
100 115
dB
0.05
4.95 V
28
−0.2
kΩ
+5.2 V
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