參數(shù)資料
型號: LF442CM
英文描述: Voltage-Feedback Operational Amplifier
中文描述: 電壓反饋運算放大器
文件頁數(shù): 6/10頁
文件大小: 209K
代理商: LF442CM
LF441C LF442C LF444C
6
MOTOROLA ANALOG IC DEVICE DATA
–PSR
Figure 17. Common Mode Rejection
versus Frequency
Figure 18. Power Supply Rejection
versus Frequency
f, FREQUENCY (Hz)
f, FREQUENCY (Hz)
C
P
140
120
100
80
60
40
20
0100
1.0 k
10 k
100 k
1.0 M
140
120
100
80
60
40
20
0
100
1.0 k
10 k
100 k
1.0 M
+
(
VCM
VO
CMR = 20 Log
VCM
VO
x ADM
)
ADM
+
VCC
VO
VEE
+PSR
(
VCC =
±
1.5 V)
(
VEE=
±
1.5 V)
ADM
VCC
VO /ADM
+PSR = 20 Log
VO /ADM
VEE
–PSR = 20 Log
)
)
(
(
10 mV
Figure 19. Input Noise Voltage versus Frequency
Figure 20. Open Loop Voltage
Gain versus Supply Voltage
Figure 21. Output Impedance versus Frequency
Figure 22. Inverter Settling Time
f, FREQUENCY (Hz)
f, FREQUENCY (Hz)
VCC,
VEE
, SUPPLY VOLTAGE (V)
ts, SETTLING TIME (
μ
s)
e
n
A
Z
)
V
70
60
50
40
30
20
10
0
10
100
1.0 k
10 k
100 k
1.0 M
100 k
10 k
0
5.0
10
15
20
25
350
300
250
200
150
100
50
0
100
1.0k
10k
100k
1.0M
10
5.0
0
–5.0
–10
0.1
1.0
10
RL = 10 k
125
°
C
–55
°
C
10 mV
1.0 mV
I
)
1.0 mV
VCC = +15 V
VEE = –15 V
VCM = 0 V
±
1.5 V
TVCM =
°
C
VCC = +15 V
VEE = –15 V
TA = 25
°
C
VCC = +15 V
VEE = –15 V
VCM = 0 V
TA = 25
°
C
25
°
C
VCC = +15 V
VEE = –15 V
TA = 25
°
C
VCC = +15 V
VEE = –15 V
TA = 25
°
C
AV = 100
AV = 10
AV = 1.0
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