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6N138M, 6N139M, HCPL2730M, HCPL2731M
—
8-Pin DIP Low Input Current High Gain Split Darlington Optocouplers
August 2016
Single-Channel: 6N138M, 6N139M
Dual-Channel: HCPL2730M, HCPL2731M
8-Pin DIP Low Input Current High Gain Split
Darlington Optocouplers
Features
•
•
•
•
•
•
Low Current – 0.5 mA
Superior CTR – 2000%
Superior CMR – 10 kV/µs
CTR Guaranteed 0 to 70°C
Dual Channel – HCPL2730M, HCPL2731M
Safety and Regulatory Approvals
– UL1577, 5,000 VAC
RMS
for 1 Minute
– DIN EN/IEC60747-5-5
Description
The single-channel, 6N138M, 6N139M and dual-channel
HCPL2730M, HCPL2731M optocouplers consist of an
AlGaAs LED optically coupled to a high gain split darling-
ton photodetector.
The split darlington configuration separating the input
photodiode and the first stage gain from the output tran-
sistor permits lower output saturation voltage and higher
speed operation than possible with conventional darling-
ton phototransistor optocoupler. In the dual channel
devices, HCPL2730M and HCPL2731M, an integrated
emitter-base resistor provides superior stability over tem-
perature.
The combination of a very low input current of 0.5 mA
and a high current transfer ratio of 2000% makes this
family particularly useful for input interface to MOS,
CMOS, LSTTL and EIA RS232C, while output compati-
bility is ensured to CMOS as well as high fan-out TTL
requirements. An internal noise shield provides excep-
2008年7月9日, CombOLED 研究项目的工作重点是开发出高性价比的生产工艺，以实现有机发光二极管 (OLED) 的量产。欧司朗光电半导体公司固态照明部主管 Bernhard Stapp 表示：“该项目由欧盟提供资金支持，欧司朗负责协调运作，旨在为推行新型照明光源应用创造必要的条件。”这包括采用性价比卓越的方法构建新型元件架构，从而生产出大幅面透明光源。作为 LED 市场的创新推...[详细]
UHF和HF都是一般的技术分类，不过每一类都有独立的支持协议。HF在13.56MHz频段更具有一致性，虽然国际业内行业标准很多。UHF RFID在858-960MHz频段已商业化。同时也有多种国际标准支持，包括EPC global Gen 2。 标签与读写器通过无线链接交换数据。链接可以通过适合任何频段的、具有不同读取范围和抗干扰性的EMF或RF场实现。HF RFID技术主要通过电磁场传送信...[详细]
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