参数资料
型号: AD8420ARMZ-R7
厂商: Analog Devices Inc
文件页数: 5/28页
文件大小: 0K
描述: IC AMP INSTR RR 2.5KHZ 8MSOP
标准包装: 1,000
放大器类型: 仪表
电路数: 1
输出类型: 满摆幅
转换速率: 1 V/µs
-3db带宽: 250kHz
电流 - 输入偏压: 20nA
电压 - 输入偏移: 250µV
电流 - 电源: 85µA
电流 - 输出 / 通道: 10mA
电压 - 电源,单路/双路(±): 2.7 V ~ 36 V,±2.7 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
Data Sheet
AD8420
Rev. 0 | Page 13 of 28
70
–30
–20
–10
0
10
20
30
40
50
60
1
10
100
1k
10k
100k
1M
GA
IN
(dB
)
FREQUENCY (Hz)
099
45-
0
24
VS = 2.7V
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
Figure 27. Gain vs. Frequency, 2.7 V Single Supply
140
120
0
20
40
60
80
100
0.1
1
10
100
1k
10k
100k
CM
RR
(
d
B)
FREQUENCY (Hz)
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
099
45-
327
BANDWIDTH
LIMIT
VS = ±15V
Figure 28. CMRR vs. Frequency, RTI, VS = ±15 V
140
120
0
20
40
60
80
100
0.1
1
10
100
1k
10k
100k
CM
RR
(
d
B)
FREQUENCY (Hz)
GAIN = 1000
GAIN = 100
GAIN = 10
GAIN = 1
099
45-
328
VS = ±15V
Figure 29. CMRR vs. Frequency, RTI, 1 kΩ Source Imbalance, VS = ±15 V
120
0
20
40
60
80
100
01
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
CM
RR
(
d
B)
DIFFERENTIAL INPUT VOLTAGE (V)
.0
VS = ±15V
VCM = ±10V
099
45-
329
Figure 30. CMRR vs. Differential Input Voltage
–40 –25 –10
5
20
35
50
65
80
95
110 125
S
UP
P
L
Y
CURRE
NT
(
A)
TEMPERATURE (°C)
099
45-
0
27
20
30
40
50
60
70
80
90
100
110
120
VS = 5V
Figure 31. Supply Current vs. Temperature, VS = +5 V
30
0
250
200
150
100
50
0
–50
5
10
15
20
25
–40
125
110
95
80
65
50
35
20
5
–10
–25
BI
AS
CURRE
NT
(
n
A)
O
F
S
E
T
CURRE
NT
(
p
A
)
TEMPERATURE (°C)
OFFSET CURRENT
–IN BIAS CURRENT
+IN BIAS CURRENT
099
45-
331
Figure 32. Input Bias Current and Input Offset Current vs. Temperature
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