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參數(shù)資料
| 型號(hào)： | 4N55/L3 |
| 廠(chǎng)商： | ISOCOM LTD |
| 元件分類(lèi)： | 光電耦合器 |
| 英文描述： | 2 CHANNEL LOGIC OUTPUT OPTOCOUPLER, 0.4 Mbps |
| 封裝： | HERMETIC, CERAMIC, 16 PIN |
| 文件頁(yè)數(shù)： | 2/5頁(yè) |
| 文件大?。?/td> | 31K |
| 代理商： | 4N55/L3 |
Features
Release to BS9400 GO125
Hermetically Sealed
High Speed: Typically 400 kbit/s
1500 Vdc Withstand Test Voltage
High Radiation Immunity
Performance Guaranteed Over -55°C to +125°C Ambient Temperature Range
2 MHz Bandwidth
Description
The 4N55 consists of two independent optocouplers in a hermetically sealed ceramic package. Each
channel has a light emitting diode and an integrated photon detector. Separate connections for the
photodiodes and output transistor collectors improve the speed up to 100 times that of a conventional
phototransistor optocoupler by reducing the base collector capacitance.
The 4N55 is suitable for wide bandwidth analogue applications, as well as for interfacing TTL to LSTTL
or CMOS. The availability of the base lead allows optimised gain/bandwidth adjustment in analog
applications. The shallow depth of the IC photodiode provides better radiation immunity than
conventional phototransistor couplers. Surface Mount Option Available.
Absolute Maximum Ratings
Storage Temperature:
Operating Temperature:
Lead Soldering:
-65°C to +150°C
-55°C to +125°C
260°C for 10s, 1.6mm from case
Input Diode (each channel)
Peak forward current IF:
Average Forward Current IF:
Reverse Voltage VR:
Power Dissipation:
40mA (duration <= 1ms)
20mA
5V
36mW
Output Detector (each channel)
4N55, 4N55/L2, L3, L4: Optocoupler, 16 Pin Dual Channel High Speed Hermetically Sealed (Datasheet)
file:///C|/SHRUTI/iscl/4n55.htm (2 of 5) [2/5/2001 5:55:33 PM]
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