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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： | 4/10页 |
| 文件大小： | 249K |
| 代理商： | AD8420BRMZ-R7 |
AD8420
Preliminary Technical Data
+V
S
=
+
15 V, V
S
= 15 V, V
REF
= 0 V, T
A
= 25°C, G = 1 to 1000, R
L
= 20 kΩ, specifications referred to input, unless otherwise noted
Rev. PrD | Page 4 of 4
Table 3.
Parameter
COMMON-MODE REJECTION RATIO (CMRR)
CMRR DC to 60 Hz
CMRR at 1 kHz
NOISE
Conditions
V
CM
= –10 V to +10 V
Min
100
Typ
Max
Unit
dB
dB
Voltage Noise
Spectral Density
Peak to Peak
Current Noise
Spectral Density
Peak to Peak
VOLTAGE OFFSET
Offset
Average Temperature Coefficient
Offset RTI vs. Supply (PSR)
INPUTS
Input Bias Current
1
Average Temperature Coefficient
Input Offset Current
Average Temperature Coefficient
Input Impedance
Differential
Common Mode
Differential Input Operating Voltage
Input Operating Voltage (+IN, -IN, or REF)
DYNAMIC RESPONSE
Small Signal –3 dB Bandwidth
G = 1
G = 10
G = 100
G =1000
Settling Time 0.01%
G = 1
G = 10
G = 100
G = 1000
Slew Rate
f = 1 kHz, V
DIFF
≤ 100 mV
f = 0.1 Hz to 10 Hz, V
DIFF
≤ 100 mV
f = 1 kHz
f = 0.1 Hz to 10 Hz
V
S
= ±5 V to ±15 V
T
A
= 40°C to +85°C
Valid for REF & FB pair, as well as +IN & -IN
T
A
= +25°C
T
A
= +85°C
T
A
= 40°C
T
A
= 40°C to +85°C
T
A
= +25°C
T
A
= +85°C
T
A
= 40°C
T
A
= 40°C to +85°C
T
A
= –40°C to +85°C
T
A
= +25°C
T
A
= +85°C
T
A
= –40°C
Check voltage differential
10 V step
-1
V
S
– 0.15
V
S
– 0.05
V
S
– 0.2
50
1.5
25
130||3
1000||3
250
25
2.5
0.25
200
1
40
1
1
+V
S
2.2
+V
S
– 1.8
+V
S
– 2.7
nV/√Hz
μV p-p
fA/√Hz
pA p-p
μV
μV/°C
dB
nA
nA
nA
pA/°C
nA
nA
nA
pA/°C
MΩ||pF
MΩ||pF
V
V
V
V
kHz
kHz
kHz
kHz
μs
μs
μs
μs
V/μs
Exceeds Bandwidth Limit
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