參數(shù)資料
型號(hào): AD8421BRZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 25/28頁
文件大?。?/td> 0K
描述: IC OPAMP INST 10MHZ LP LN 8MSOP
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 儀表
電路數(shù): 1
轉(zhuǎn)換速率: 35 V/µs
-3db帶寬: 10MHz
電流 - 輸入偏壓: 100pA
電壓 - 輸入偏移: 25µV
電流 - 電源: 2mA
電流 - 輸出 / 通道: 65mA
電壓 - 電源,單路/雙路(±): 5 V ~ 36 V,±2.5 V ~ 18 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOICN
包裝: 帶卷 (TR)
AD8421
Data Sheet
Rev. 0 | Page 6 of 28
ARM Grade
BRM Grade
Parameter
Test Conditions/
Comments
Min
Typ
Max
Min
Typ
Max
Unit
Offset RTI vs. Supply (PSR)
VS = ±2.5 V to ±18 V
G = 1
90
120
100
120
dB
G = 10
110
120
140
dB
G = 100
124
130
140
150
dB
G = 1000
130
140
150
dB
INPUT CURRENT
Input Bias Current
1
2
0.1
1
nA
Over Temperature
TA = 40°C to +85°C
8
6
nA
Average TC
50
pA/°C
Input Offset Current
0.5
2
0.1
1
nA
Over Temperature
TA = 40°C to +85°C
3
1.5
nA
Average TC
1
pA/°C
DYNAMIC RESPONSE
Small Signal Bandwidth
3 dB
G = 1
10
MHz
G = 10
10
MHz
G = 100
2
MHz
G = 1000
0.2
MHz
Settling Time 0.01%
10 V step
G = 1
0.7
μs
G = 10
0.4
μs
G = 100
0.6
μs
G = 1000
5
μs
Settling Time 0.001%
10 V step
G = 1
1
μs
G = 10
0.6
μs
G = 100
0.8
μs
G = 1000
6
μs
Slew Rate
G = 1 to 100
35
V/μs
G = 1 + (9.9 kΩ/RG)
Gain Range
1
10,000
1
10,000
V/V
Gain Error
VOUT = ±10 V
G = 1
0.05
0.02
%
G = 10 to 1000
0.3
0.2
%
Gain Nonlinearity
VOUT = 10 V to +10 V
G = 1
RL ≥ 2 kΩ
1
ppm
RL = 600 Ω
1
3
1
3
ppm
G = 10 to 1000
RL ≥ 600 Ω
30
50
30
50
ppm
VOUT = 5 V to +5 V
5
10
5
10
ppm
Gain vs. Temperature3
G = 1
5
0.1
1
ppm/°C
G > 1
50
ppm/°C
INPUT
Input Impedance
Differential
30||3
GΩ||pF
Common Mode
30||3
GΩ||pF
Input Operating Voltage
Range4
VS = ±2.5 V to ±18 V
VS + 2.3
+VS 1.8
VS + 2.3
+VS 1.8
V
Over Temperature
TA = 40°C
VS + 2.5
+VS 2.0
VS + 2.5
+VS 2.0
V
TA = +85°C
VS + 2.1
+VS 1.8
VS + 2.1
+VS 1.8
V
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