Datasheet > FOD0721_10

FOD0721_10

更新时间： 2024-11-09 12:04:59

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		光电栅
页数	文件大小	规格书
12页	626K
描述
High CMR, 25Mbit/sec Logic Gate Optocoupler

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数据手册

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FOD0721_10 数据手册

December 2010

FOD0721, FOD0720, FOD0710

High CMR, 25Mbit/sec Logic Gate Optocoupler

Features

Description

■ 20kV/µs minimum CMR

The FOD0721/0720/0710 family utilizes Fairchild’s

proprietary coplanar packaging technology, Optoplanar^®,

and optimized IC design to guarantee minimum 20kV/µs

Common Mode Noise Rejection (CMR) rating.

■ 40ns max. propagation delay

■ Data Rate, Non-Return Zero Coding

– 25Mbit/sec (FOD0721 and FOD0720)

– 12.5Mbit/sec (FOD0710)

These high-speed logic gate optocouplers consist of a

high-speed AlGaAs LED driven by a CMOS IC coupled

to a CMOS detector IC, comprising an integrated photo-

diode, a high-speed transimpedance amplifier and a

voltage comparator with an output driver. The CMOS

technology coupled to the high efficiency of the LED

achieves low power consumption as well as very high

speed (40ns propagation delay, 6ns pulse width

distortion).

■ Pulse Width Distortion

– 6ns (FOD0721)

– 8ns (FOD0720 and FOD0710)

■ +5V CMOS compatibility

■ Extended industrial temperate range

– -40 to 100°C temperature range

■ Safety and regulatory approvals

– UL1577, 3750 VACrms for 1 min. (File #E90700,

Volume 2)

These devices are available in a compact 8-pin small

outline package.

– IEC60747-5-2 pending approval

Applications

■ Industrial ﬁeldbus communications

– Profibus, DeviceNet, CAN, RS485

■ Programmable logic control

■ Isolated data acquisition system

Functional Schematic

V_DD1

V_DD2

V_I

V_O

GND1

GND2

*: Pin 3 must be left unconnected

Truth Table

V_I

LED V_O

OFF

FOD0721, FOD0720, FOD0710 Rev. 1.0.9

www.fairchildsemi.com

12 3 4 5 6 7...12

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