参数资料
型号: AD8221
厂商: Analog Devices, Inc.
元件分类: 运动控制电子
英文描述: Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier
中文描述: 单电源,轨至轨,低成本仪表放大器
文件页数: 3/20页
文件大小: 1283K
代理商: AD8221
AD8221
SPECIFICATIONS
Table 1. V
S
= ±15 V, V
REF
= 0 V, T
A
= +25°C, G = 1, R
L
= 2 kΩ, unless otherwise noted
Parameter
Conditions
COMMON-MODE
REJECTION RATIO (CMRR)
CMRR DC to 60 Hz with
1 k Source Imbalance
G = 1
G = 10
G = 100
G = 1000
CMRR at 10 kHz
V
CM
= –10 V to +10 V
G = 1
G = 10
G = 100
G = 1000
Rev. A | Page 3 of 20
AR Grade
Typ
BR Grade
Typ
ARM Grade
Min
Typ
Unit
Min
Max
Min
Max
Max
V
CM
= –10 V to +10 V
80
100
120
130
80
90
100
100
90
110
130
140
80
100
110
110
80
100
120
130
80
90
100
100
dB
dB
dB
dB
dB
dB
dB
dB
NOISE
RTI noise =
e
NI2
+ (e
NO
/G)
2
Voltage Noise, 1 kHz
Input Voltage Noise, e
NI
Output Voltage Noise, e
NO
RTI
G = 1
G = 10
G = 100 to 1000
Current Noise
VOLTAGE OFFSET
1
Input Offset, V
OSI
Over Temperature
Average TC
Output Offset, V
OSO
Over Temperature
Average TC
Offset RTI vs. Supply (PSR)
G = 1
G = 10
G = 100
G = 1000
INPUT CURRENT
Input Bias Current
Over Temperature
Average TC
Input Offset Current
Over Temperature
Average TC
REFERENCE INPUT
R
IN
I
IN
Voltage Range
Gain to Output
POWER SUPPLY
Operating Range
Quiescent Current
Over Temperature
V
IN+
, V
IN–
, V
REF
= 0
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 0.1 Hz to 10 Hz
V
S
= ±5 V to ±15 V
T = –40°C to +85°C
V
S
= ±5 V to ±15 V
T = –40°C to +85°C
V
S
= ±2.3 V to ±18 V
T = –40°C to +85°C
T = –40°C to +85°C
V
IN+
, V
IN–
, V
REF
= 0
V
S
= ±2.3 V to ±18 V
T = –40°C to +85°C
90
110
124
130
–V
S
2
0.5
0.25
40
6
110
120
130
140
0.5
1
0.2
1
20
50
1
±
0.0001
0.9
1
8
75
60
86
0.4
300
0.66
6
1.5
2.0
0.6
0.8
60
+V
S
94
114
130
140
–V
S
2
0.5
0.25
40
6
110
130
140
150
0.2
1
0.1
1
20
50
8
75
25
45
0.3
200
0.45
5
0.4
1
0.4
0.6
60
+V
S
90
100
120
120
–V
S
2
0.5
0.25
40
6
100
120
140
140
0.5
3
0.3
3
20
50
8
75
70
135
0.9
600
1.00
9
2
3
1
1.5
60
+V
S
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
k
μA
V
V/V
V
mA
mA
1
±
0.0001
0.9
1
1
±
0.0001
0.9
1
±2.3
±18
1
1.2
±2.3
±18
1
1.2
±2.3
±18
1
1.2
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