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HCPL-0720

Name: HCPL-0720
Rating: 4.7 (12 reviews)

OPTOISOLTR 3.75KV PUSH PULL 8-SO

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仕様

Part Status	Active
Base Product Number	HCPL-0720
Number of Channels	1
Inputs - Side 1/Side 2	1/0
Voltage - Isolation	3750Vrms
Common Mode Transient Immunity (Min)	10kV/µs
Input Type	Logic
Output Type	Push-Pull, Totem Pole
Current - Output / Channel	10 mA
Data Rate	25MBd
Propagation Delay tpLH / tpHL (Max)	40ns, 40ns
Rise / Fall Time (Typ)	9ns, 8ns
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SO Tall
Packaging	Tube

概要

Description

HCPL-0720 is a high-speed optically isolated digital isolator from Avago/Broadcom. It provides galvanic isolation (up to about 5 kV RMS) between input (LED) and output (logic) to protect low-voltage circuitry from high-voltage/noisy domains. The device integrates an LED input, a photodetector plus high-gain amplifier, and a TTL/CMOS-compatible output stage. It accepts standard LED drive currents (a few milliamps) and delivers a clean logic output suitable for 3.3V or 5V systems. Data rates are high (tens of Mbps range, depending on variant) with low propagation delay. Typical uses include isolating microcontrollers from motor drives, power supplies, and measurement instrumentation. Available in 8-pin DIP or SOIC packages. For exact CTR, propagation delay, input/output voltage ranges, and recommended operating conditions, see the HCPL-0720 datasheet.

Features

Here are the key features of HCPL-0720:
- High-speed, single-channel optocoupler with logic-output
- Data rate up to about 2 Mbps
- TTL/CMOS-compatible totem-pole output
- Isolation between input and output (Viso up to 5 kV rms)
- Separate input/output supply pins (Vcc1 and Vcc2) for full galvanic isolation
- Package options: DIP-8 and SO-8
- Wide operating temperature range (typical -40°C to +85°C)
- Low input-drive current requirements with suitable CTR
- Output supply typically 4.5–5.5 V (logic level compatibility)
Ideal for microcontroller isolation, level shifting, and digital signal interfaces.

Package

HCPL-0720 is an 8-pin optically isolated amplifier. It’s available in through-hole DIP-8 and surface-mount SO-8 (gull-wing) packages.

Pinout

- Pin count: 8 pins (DIP package).
- Function: HCPL-0720 is an optically isolated high-speed amplifier (an optocoupler). It has an input LED on one side and a powered output amplifier on the other, providing electrical isolation between input and output. The output side is a transistor/output stage (usually NPN) that requires a supply (Vcc) and ground and can be used with a pull-up to TTL/CMOS levels.

Manufacturer

- Manufacturer: Avago Technologies (now part of Broadcom Inc.)
- Company type: A global semiconductor company specializing in analog, mixed-signal, optical, and wireless integrated circuits.

Application

HCPL-0720 is a high-speed optocoupler for galvanic isolation of digital signals. Typical applications:
- Isolated data transfer between microcontrollers and high‑voltage/noisy environments
- Feedback isolation in switch‑mode power supplies
- Isolated I/O interfaces in PLCs and industrial controllers
- Measurement/telemetry and data acquisition systems
- Telecom/instrumentation requiring fast, noise‑immune signal coupling

Equivalent

Direct equivalents:
- ACPL-0720 (Broadcom/Avago) – direct cross-reference
- HCPL-0720 – same device under the Avago branding (older name)
For exact substitutes from other vendors, provide your speed, isolation voltage, and package; use a cross‑reference search (DigiKey/Mouser) to find functionally similar optically isolated amplifiers.