參數(shù)資料
型號(hào): MCP6031
廠商: Microchip Technology Inc.
英文描述: 0.9 uA, High Precision Op Amps
中文描述: 0.9微安,高精度運(yùn)算放大器
文件頁數(shù): 7/30頁
文件大?。?/td> 870K
代理商: MCP6031
2007 Microchip Technology Inc.
DS22041A-page 7
MCP6031/2/3/4
Note:
Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.8V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
V
DD
/2,
V
L
= V
DD
/2, R
L
= 1 M
Ω
to V
L
and C
L
= 60 pF.
FIGURE 2-7:
vs. Frequency.
Input Noise Voltage Density
FIGURE 2-8:
vs. Common Mode Input Voltage.
Input Noise Voltage Density
FIGURE 2-9:
Ratio, Power Supply Rejection Ratio vs.
Frequency.
Common Mode Rejection
FIGURE 2-10:
Ratio, Power Supply Rejection Ratio vs. Ambient
Temperature.
Common Mode Rejection
FIGURE 2-11:
vs. Ambient Temperature.
Input Bias, Offset Currents
FIGURE 2-12:
Common Mode Input Voltage.
Input Bias Current vs.
100
1,000
1E-1
1E+0
1E+1
Frequency (Hz)
1E+2
1E+3
1E+4
1E+5
I
(
H
0
25
50
75
100
125
150
175
200
-
0
0
1
1
2
2
3
3
4
4
5
5
6
Common Mode Input Voltage (V)
I
(
H
f = 1 kHz
V
DD
= 5.5V
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
Frequency (Hz)
C
PSRR-
PSRR+
CMRR
V
DD
= 5.5V
60
65
70
75
80
85
90
95
100
105
110
-50
-25
0
25
50
75
100
125
Ambient Temperature (°C)
P
PSRR (V
DD
= 1.8V to 5.5V, V
CM
= V
SS
)
CMRR (V
DD
= 1.8V,
V
CM
= -0.3V to 2.1V)
CMRR (V
DD
= 5.5V,
V
CM
= -0.3V to 5.8V)
1
10
100
1000
10000
25
45
65
85
105
125
Ambient Temperature (°C)
I
C
V
DD
= 5.5V
V
CM
= V
DD
Input Bias Current
Input Offset Current
10
100
1000
10000
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Common Mode Input Voltage (V)
I
T
A
= +125°C
T
A
= +85°C
V
DD
= 5.5V
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