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MCP6421 数据表(PDF) 8 Page - Microchip Technology

部件名 MCP6421
功能描述  4.4 關A, 90 kHz Op Amp
PDF  34 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MCP6421 数据表(HTML) 8 Page - Microchip Technology

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MCP6421
DS25165A-page 8
 2013 Microchip Technology Inc.
Note: Unless otherwise indicated, TA= +25°C, VDD = +1.8V to +5.5V, VSS= GND, VCM = VDD/2, VOUT =VDD/2,
VL =VDD/2, RL = 100 k to VL and CL = 30 pF.
FIGURE 2-7:
Input Noise Voltage Density
vs. Common Mode Input Voltage.
FIGURE 2-8:
Input Noise Voltage Density
vs. Frequency.
FIGURE 2-9:
CMRR, PSRR vs.
Frequency.
FIGURE 2-10:
CMRR, PSRR vs. Ambient
Temperature.
FIGURE 2-11:
Input Bias, Offset Current
vs. Ambient Temperature.
FIGURE 2-12:
Input Bias Current vs.
Common Mode Input Voltage.
30
40
50
60
70
80
90
0
10
20
30
-0.5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Common Mode Input Voltage (V)
f = 10 kHz
V
DD = 5.5 V
100
1,000
10,000
10
100
1.E-1
1.E+0
1.E+1
1.E+2
1.E+3
1.E+4
1.E+5
Frequency (Hz)
0.1
1
10
100
1k
10k
100k
50
60
70
80
90
100
CMRR
PSRR+
PSRR-
Representative Part
20
30
40
10
100
1000
10000
100000
Frequency (Hz)
10
100
1k
10k
100k
80
90
100
110
120
130
140
PSRR
50
60
70
80
-50
-25
0
25
50
75
100
125
Ambient Temperature (°C)
CMRR @ V
DD = 5.5V
@ V
DD = 1.8V
1
10
100
1000
Input Bias Current
V
DD = 5.5V
1p
1n
100p
10p
0.01
0.1
Ambient Temperature (°C)
Input Offset Current
0.1p
0.01p
300
400
500
600
700
800
900
1000
T
A = +125°C
T
A = +85°C
-100
0
100
200
00.511.5
22.5
33.5
44.555.5
Common Mode Input Voltage (V)
V
DD = 5.5 V
T
A = +25°C



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