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參數(shù)資料
| 型號： | SFH6731 |
| 廠商： | VISHAY SEMICONDUCTORS |
| 元件分類： | 光電耦合器 |
| 英文描述： | 2 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 5 Mbps |
| 封裝： | ROHS COMPLIANT, DIP- 8 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 275K |
| 代理商： | SFH6731 |
SFH6731, SFH6732
www.vishay.com
Vishay Semiconductors
Rev. 1.7, 01-Jul-11
7
Document Number: 83685
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Fig. 17 - Typical Propagation Delays to Logic High vs. Temperature
Fig. 18 - Typical Propagation Delays to Logic Low vs.Temperature
Fig. 19 - Test Circuit for tPLH
Fig. 20 - Test Circuit for Common Mode Transient Immunity and Typical Waveforms
isfh6731_17
- 60 - 40 - 20
0
20
40
60
80
100
t PLH
-Propagation
Delay
(ns)
TA - Temperature (°C)
30
40
50
60
70
80
V
CC = 15 V
C1 = 120 pF (without peaking capacitor)
I
F = 1.6, 3 and 5 mA
isfh6731_18
60
80
100
120
140
160
180
- 60 - 40 - 20
0
20
40
60
80
100
V
CC = 15 V
C1 = 120 pF (peaking
capacitor is used)
I
F = 5 mA
TA - Temperature (°C)
t PHL
-Propagation
Delay
(ns)
I
F = 3 mA
I
F = 1.6 mA
isfh6731_19
All diodes are 1N916 or 1N3064
The Probe and Jig Capacitances are included in C1 and C2
Pulse generator
tr,tf =5ns
f = 100 kHz
10% Duty cycle
1
2
3
4
Input IF
monitoring
node
C1 = 120 pF
C2=15pF R2=5k
Ω
R3 = 619
Ω
VCC
GND
VCC
5V
Output VO
monitoring
node
D1
D2
D3
D4
IF
R1
0.1 F
Bypass
8
7
6
5
R1
IFon
2.15 k
Ω
1.6 mA
681
Ω
5mA
1.1 k
Ω
3mA
Input IF
Output VO
IFon
50 %IFon
0mA
VOH
1.3 V
tPLH
tPHL
VOL
isfh6731_20
0.1 F
bypass
Output VO
monitoring
node
1
2
3
4
6
7
8
VCC
A
B
R
Pulse generator
+
–
VCM
5
Output VO
VCM
400 V/50 V
Switch at A: IF = 1.6 mA
0V
VOH
VO (min.)
VOL
VO (max.)
Switch at B: IF =0mA
VCC
Gnd
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