參數(shù)資料
型號: MCP631-E/SN
元件分類: 運算放大器
英文描述: OP-AMP, 8000 uV OFFSET-MAX, 24 MHz BAND WIDTH, PDSO8
封裝: 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8
文件頁數(shù): 3/42頁
文件大?。?/td> 790K
代理商: MCP631-E/SN
2009 Microchip Technology Inc.
DS22197A-page 11
MCP631/2/3/5
Note: Unless otherwise indicated, TA = +25°C, VDD = +2.5V to 5.5V, VSS = GND, VCM =VDD/3, VOUT =VDD/2,
VL =VDD/2, RL =2kΩ to VL, CL = 50 pF and CS =VSS.
2.3
Frequency Response
FIGURE 2-21:
CMRR and PSRR vs.
Frequency.
FIGURE 2-22:
Open-Loop Gain vs.
Frequency.
FIGURE 2-23:
Gain Bandwidth Product
and Phase Margin vs. Ambient Temperature.
FIGURE 2-24:
Gain Bandwidth Product
and Phase Margin vs. Common Mode Input
Voltage.
FIGURE 2-25:
Gain Bandwidth Product
and Phase Margin vs. Output Voltage.
FIGURE 2-26:
Closed-Loop Output
Impedance vs. Frequency.
10
20
30
40
50
60
70
80
90
100
1.E+2
1.E+3
1.E+4
1.E+5
1.E+6
1.E+7
Frequency (Hz)
CM
RR
,P
S
R
(
d
B)
100
1M
10k
10M
100k
1k
CMRR
PSRR+
PSRR-
-20
0
20
40
60
80
100
120
140
1.E+0 1.E+1 1.E+2 1.E+3 1.E+4 1.E+5 1.E+6 1.E+7 1.E+8
Frequency (Hz)
Op
en-L
oop
Gain
(dB
)
-240
-210
-180
-150
-120
-90
-60
-30
0
O
p
en-Loop
Phase
(°)
| AOL |
∠A
OL
100
10k
1M
100M
1
1k
100k
10M
10
20
22
24
26
28
30
32
34
36
-50
-25
0
255075
100 125
Ambient Temperature (°C)
G
ai
n
B
and
wi
dth
P
rod
uct
(MH
z)
40
45
50
55
60
65
70
75
80
Phas
eM
argin
(°)
PM
GBWP
VDD = 5.5V
VDD = 2.5V
20
22
24
26
28
30
32
34
36
-0.
5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Common Mode Input Voltage (V)
G
ai
n
B
and
wi
dth
P
rod
uct
(MH
z)
40
45
50
55
60
65
70
75
80
Phas
eMargin
(°)
PM
GBWP
VDD = 5.5V
VDD = 2.5V
20
22
24
26
28
30
32
34
36
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Output Voltage (V)
Gain
Bandw
idt
h
Product
(M
H
z)
40
45
50
55
60
65
70
75
80
P
h
as
eM
a
rg
in
(
°)
PM
GBWP
VDD = 5.5V
VDD = 2.5V
0.1
1
10
100
1.0E+04
1.0E+05
1.0E+06
1.0E+07
1.0E+08
Frequency (Hz)
10k
1M
10M
100M
C
los
ed-
L
oo
p
O
u
tp
u
tI
m
p
ed
an
c
e
(
)
100k
G = 101 V/V
G = 11 V/V
G = 1 V/V
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