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参数资料
| 型号： | AD8420BRMZ-R7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 测量放大器 |
| 英文描述： | INSTRUMENTATION AMPLIFIER, PDSO8 |
| 封装： | ROHS COMPLIANT, MO-187AA, MSOP-8 |
| 文件页数： | 5/10页 |
| 文件大小： | 249K |
| 代理商： | AD8420BRMZ-R7 |
Preliminary Technical Data
AD8420
Rev. PrD | Page 5 of 5
GAIN
2
Gain Range
Gain Error
Gain Nonlinearity
G = 1 to 10
G = 100
G = 1000
Gain vs. Temperature
OUTPUT
Output Swing
R
L
= 20 kΩ to ground
R
L
= 100 kΩ to ground
Short-Circuit Current
POWER SUPPLY
Operating Range
Quiescent Current
TEMPERATURE RANGE
Specified
Operational
4
1
The input stage uses pnp transistors, so input bias current always flows out of the part.
2
For G>1, errors from external resistors R1 and R2 should be added to these specifications, including error from FB pin bias current
3
Minimum positive supply voltage indicated for V
+IN
, V
-IN
, V
REF
= 0V. With V
+IN
, V
-IN
, V
REF
= -VS, minimum supply is ±1.35V.
4
See Typical Performance Curves for operation between 85°C and 125°C
G = 1 + (R2/R1)
V
OUT
±10 V
V
OUT
= –10 V to +10 V
R
L
≥
20 kΩ
R
L
≥
20 kΩ
R
L
≥
20 kΩ
T
A
= 40°C to +85°C
T
A
= +25°C
T
A
= +85°C
T
A
= –40°C
T
A
= +25°C
T
A
= +85°C
T
A
= –40°C
Dual supply operation
3
T
A
= +25°C
T
A
= –40°C
T
A
= +85°C
1
V
S
+ 0.15
V
S
+ 0.1
±2.7
40
40
10
75
100
1000
0.05
10
+V
S
– 0.15
+V
S
– 0.1
±18V
90
+85
+125
V/V
%
ppm
ppm
ppm
ppm/°C
V
V
V
V
V
V
mA
V
μA
μA
μA
°C
°C
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