Allegro Microsystems – A2982 Eight-Channel Source Drivers

Product Overview

Recommended for high-side switching applications that benefit from separate logic and load grounds, these devices encompass load supply voltages to 50 V and output currents to -500 mA.

These 8-channel source drivers are useful for interfacing between low-level logic and high-current loads. Typical loads include relays, solenoids, lamps, stepper and/or servo motors, print hammers, and LEDs.

All devices may be used with 5 V logic systems — TTL, Schottky TTL, DTL, and 5 V CMOS. The device packages offered are electrically interchangeable, and will withstand a maximum output off voltage of 50 V, and operate to a minimum of 5 V. All devices in this series integrate input current limiting resistors and output transient suppression diodes, and are activated by an active high input.

The package is a 20-pin wide-body SOIC with improved thermal characteristics compared to the 18-pin SOIC version it replaces (100% pin-compatible electrically).

The package is lead (Pb) free, with 100% matte-tin leadframe plating


– TTL, DTL, PMOS, or CMOS compatible inputs

– 500 mA output source current capability

– Transient-protected outputs

– Output breakdown voltage to 50 V

– SOIC packaging



Driver Source 8-Ch 50V SOIC-20

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