ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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► Compatible with TTL Inputs
►High-Speed Switching . . . 1 Mbit/s Typ
►Bandwidth . . . 2 MHz Typ
►High Common-Mode Transient Immunity . . . 1000 V/µs Typ
►High-Voltage Electrical Insulation . . . 3000 Vdc Min
►Open-Collector Output
►UL Recognized... File Number 65085
descriptioN
These high-speed optocouplers are designed for use in analog or digital interface applications that require high-voltage isolation between the input and output. Applications include line receivers that require high common-mode transient immunity, and analog or logic circuits that require input-to-output electrical isolation.
The 6N135, 6N136, and HCPL4502 optocouplers each consists of a light-emitting diode and an integrated photon detector composed of a photodiode and an open-collector output transistor. Separate connections are provided for the photodiode bias and the transistor-collector output. This feature, which reduces the transistor base-to-collector capacitance, results in speeds up to one hundred times that of a conventional phototransistor optocoupler.
The 6N135 is designed for TTL/CMOS, TTL/LSTTL, and wide-band analog applications. The 6N136 and HCPL4502 are designed for high-speed TTL/TTL applications. The HCPL4502 has no base connection.
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