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參數資料
型號: MC33121
廠商: Motorola, Inc.
英文描述: LOW VOLTAGE SUBSCRIBER LOOP INTERFACE CIRCUIT
中文描述: 低電壓用戶環路接口電路
文件頁數: 10/32頁
文件大小: 570K
代理商: MC33121
MC33121
10
MOTOROLA
Figure 17. VEE Ripple Rejection versus Frequency
Figure 18. VEE Ripple Rejection
versus Frequency and CQB
Figure 19. ST1, VOL versus IOL
Figure 20. ST1, VOH versus IOH
Figure 21. ST2, VOL versus IOL
Figure 22. ST2, VOH versus IOH
80
0.02
60
20
0.1
1.0
20
f, FREQUENCY (kHz)
80
1.0
60
20
10
20
CQB, CAPACITOR (
μ
F)
0.6
0
0.5
0.4
0.3
0
0.5
1.0
1.5
2.0
IOL, OUTPUT CURRENT (mA)
6.0
5.0
4.0
2.0
0.6
0
0.5
0.4
0.3
0
0.25
0.50
IOL, OUTPUT CURRENT (mA)
6.0
0
4.0
2.0
–100
–300
–500
IOH, OUTPUT CURRENT (
μ
A)
3.0
1.0
40
R
40
1.0 kHz
300 Hz
4.0 kfHz
1.0 kHz
300 Hz
4.0 kHz
0.2
4.5 V
VDD
5.5 V
TA = 25
°
C
0
–50
–100
–150
–200
IOH, OUTPUT CURRENT (
μ
A)
TA = 25
°
C
0.2
5.0
–200
10
0.1
0.1
3.0
0.75
–400
VEE = –24 V
TA = 25
°
C
20 mA
IL
40 mA
CQB = 10
μ
F
VEE = –24 V
TA = 25
°
C
20 mA
ILOOP
40 mA
4–WIRE
2–WIRE
R
V
V
VDD = +4.5 V
VDD = +5.5 V
4.5 V
VDD
5.5 V
TA = 25
°
C
V
V
TA = 25
°
C
VDD = 4.5 V
VDD = 5.5 V
4–WIRE
2–WIRE
相關PDF資料
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