The CA3262 and CA3262A are used to interface low-level logic to high current loads. Each Power Driver has four inverting switches consisting of a non-inverting logic input stage and an inverting low-side driver output stage. All inputs are 5V TTL/CMOS logic compatible and have a common Enable input. Each output device has independent current limiting (ILIM) and thermal limiting (TLIM) for protection from over-load conditions. Steering diodes connected from each output (in pairs) to the Clamp pins may be used in conjunction with external zener diodes to protect the IC against over-voltage transients that result from inductive load switching. To allow for maximum heat transfer from the chip, all ground pins on the DIP, PLCC and SOIC packages are directly connected.
The CA3262A (and CA3262) are quad‑gated, inverting power drivers designed to interface low‑level TTL or 5 V CMOS logic to high‑current loads such as relays, solenoids, lamps, and small motors. Each output includes independent over‑current and over‑temperature limiting, and the device features a power‑frame package for good heat dissipation.
The datasheet provides absolute maximum ratings, electrical specifications, thermal information, and typical performance curves. It also details package dimensions for PDIP, PLCC, and SOIC variants, and gives application notes on using external clamp diodes for over‑voltage protection.
| Supply Voltage (Vcc) | 5.5 V |
|---|---|
| Operating Temperature Range | -40 °C to 125 °C |
The CA3262A variants are rated for operation from –40 °C up to 125 °C.
The device requires a supply voltage of 5.5 V.