參數(shù)資料
型號: AD8421BRZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 5/28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)
Data Sheet
AD8421
Rev. 0 | Page 13 of 28
40
60
80
100
C
M
RR
(
d
B)
120
140
160
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
101
23-
02
1
Figure 22. CMRR vs. Frequency
40
60
80
100
C
M
RR
(
d
B)
120
140
160
0.1
1
10
100
1k
10k
100k
FREQUENCY (Hz)
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
101
23-
02
2
Figure 23. CMRR vs. Frequency, 1 kΩ Source Imbalance
2.0
1.5
0.5
0
1.0
–0.5
05
CHANG
E
I
N
INP
UT
O
F
S
E
T
V
O
L
T
AG
E
(
V
)
WARM-UP TIME (Seconds)
5
10152025
30
35
4045
0
10123-
023
Figure 24. Change in Input Offset Voltage (VOSI) vs. Warm-Up Time
6
–8
–40
125
B
IAS
CU
RR
ENT
(
n
A
)
TEMPERATURE (°C)
–6
–4
–2
0
2
4
–25
–10
5
20
355065
8095
110
REPRESENTATIVE SAMPLES
10
123
-024
Figure 25. Input Bias Current vs. Temperature
100
–80
–40
125
G
A
IN
ERR
O
R
(
V/
V
)
TEMPERATURE (°C)
–60
–40
–20
0
20
40
60
80
–25
–10
5
20
355065
8095
110
REPRESENTATIVE SAMPLES
GAIN = 1
10
123
-025
Figure 26. Gain vs. Temperature (G = 1)
15
10
5
–15
–10
–5
0
–40
125
C
M
RR
(
V/
V)
TEMPERATURE (°C)
–25
–10
5
20
355065
8095
110
REPRESENTATIVE SAMPLES
GAIN = 1
10
123
-074
Figure 27. CMRR vs. Temperature (G = 1)
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