HCPL-7860

HCPL-7860 is an optically isolated analog amplifier (isolation amplifier) from Avago/Broadcom. It provides galvanic isolation between a sensor input and logic/control circuitry by converting an input signal on the LED side into a proportional, isolated output on the other side.
Key points:
- Two isolated supplies: Vcc1 (input side) and Vcc2 (output side).
- Analog transfer: a closed‑loop opto‑coupled path yields a DC/low‑frequency output proportional to the input.
- Isolation rating: designed for high-voltage isolation between input and output (datasheet specifies a kilovolt‑range rating).
- Performance: typically good DC accuracy, low drift, and decent CMRR; bandwidth suitable for DC to a few tens of kHz depending on variant.
- Applications: isolated data acquisition, isolated current/voltage sensing, motor drives, medical instrumentation, and other systems requiring galvanic isolation.
How to use: connect Vin+ / Vin− to the sensor signal, power the input side with Vcc1, power the output side with Vcc2, and take the output from Vout with respect to Gnd2. Refer to the exact datasheet for pinout, gain, and voltage ranges.

Here are the key features of HCPL-7860 (concise):
- High-speed optically isolated amplifier (single-channel)
- Galvanic isolation between input and output (up to several kV RMS, device dependent)
- High common‑mode transient immunity (CMTI) for robust operation in noisy environments
- Logic-level, push‑pull (to‑pole) output compatible with 3.3/5 V logic
- Low input current with good CTR for efficient LED drive
- Small package options (8‑pin DIP/SOIC) for compact designs
- Wide operating temperature range suitable for industrial environments
- Pb‑free, RoHS compliant
- Typical applications: microcontroller or DSP isolation, sensor interfaces, power/drive electronics, communications isolation
Note: For exact isolation rating, CMTI value, propagation delay, and supply voltage ranges, consult the HCPL‑7860 datasheet.

HCPL-7860 uses an 8-pin package: DIP-8 and SOIC-8 (surface-mount) versions are available.

- Pin count: 8 pins (in a standard DIP8/SO8 package).
- Function: Analog optically isolated amplifier. It uses an input LED to sense a signal and an isolated output amplifier to reproduce a proportional output voltage/current, providing galvanic isolation between input and output for isolated analog signaling.

Manufacturer: Broadcom Inc. (formerly Avago Technologies).
What kind of company: A multinational semiconductor company that designs and manufactures a broad range of analog/digital ICs and optoelectronic/isolation components, including optocouplers like HCPL-7860.

HCPL-7860 is a high-speed optically isolated amplifier/receiver. Common applications include:
- Galvanic isolation for microcontroller/PLC interfaces in industrial automation
- Isolated feedback and sensing in switch‑mode power supplies and motor drives
- Isolated data links/telemetry in control systems
- Signal conditioning for data acquisition and instrumentation
- Medical and automotive equipment requiring electrical isolation and EMI robustness