AD8222-EVAL 查看數據表（PDF） - Analog Devices
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AD8222-EVAL Datasheet PDF : 24 Pages
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AD8222
SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, G = 1, RL = 2 kΩ, unless otherwise noted.
Table 2. Single-Ended and Differential1 Output Configuration
Parameter
Conditions
A Grade
Min
Typ Max
COMMON-MODE REJECTION
RATIO (CMRR)
VCM = –10 V to +10 V
CMRR DC to 60 Hz
1 kΩ source imbalance
G=1
80
G = 10
100
G = 100
120
G = 1000
130
CMRR at 4 kHz
G=1
G = 10
G = 100
G = 1000
CMRR Drift
80
90
100
100
T = −40°C to +85°C, G = 1
0.07
NOISE
Voltage Noise, 1 kHz
RTI Noise = √(eNI2 + (eNO/G)2)
Input Voltage Noise, eNI
VIN+, VIN−, VREF = 0 V
8
Output Voltage Noise, eNO
VIN+, VIN−, VREF = 0 V
75
RTI
f = 0.1 Hz to 10 Hz
G=1
2
G = 10
0.5
G = 100 to 1000
0.25
Current Noise
f = 1 kHz
40
f = 0.1 Hz to 10 Hz
6
VOLTAGE OFFSET
RTI VOS = (VOSI) + (VOSO/G)
Input Offset, VOSI
VS = ±5 V to ±15 V
120
Overtemperature
T = −40°C to +85°C
150
Average TC
0.4
Output Offset, VOSO
VS = ±5 V to ±15 V
500
Overtemperature
T = −40°C to +85°C
0.8
Average TC
Offset RTI vs. Supply (PSR)
G=1
G = 10
G = 100
G = 1000
VS = ±2.3 V to ±18 V
9
90
110
110
120
124
130
130
140
INPUT CURRENT (PER CHANNEL)
Input Bias Current
0.5 2.0
Over temperature
T = −40°C to +85°C
3.0
Average TC
Input Offset Current
Overtemperature
Average TC
T = −40°C to +85°C
1
0.2 1
1.5
1
REFERENCE INPUT
RIN
IIN
Voltage Range
Gain to Output
VIN+, VIN−, VREF = 0 V
20
50
60
−VS
+VS
1 ± 0.0001
Rev. 0 | Page 3 of 24
B Grade
Min
Typ Max
86
106
126
140
80
100
110
110
0.07
8
75
2
0.5
0.25
40
6
60
80
0.3
350
0.5
5
94
110
114
130
130
140
140
150
0.2 1.0
1.5
1
0.1 0.5
0.6
0.5 2
20
50
60
−VS
+VS
1 ± 0.0001
Unit
dB
dB
dB
dB
dB
dB
dB
dB
μV/V/°C
nV/√Hz
nV/√Hz
μV p-p
μV p-p
μV p-p
fA/√Hz
pA p-p
μV
μV
μV/°C
μV
mV
μV/°C
dB
dB
dB
dB
nA
nA
pA/°C
nA
nA
pA/°C
kΩ
μA
V
V/V
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