The new Microchip family of single and dual-channel digital potentiometers, with SPI interface, boast high performance, a competitive price and a support tool that is particularly sophisticated. They also ensure control of system parameters through the CPU.

This permits the automatic calibration of systems that require adjustments, or complex tuning during and post production.

Both devices of the MCP4XXXX family have resistance values of 10k, 50k and 100k ohm; they ensure high precision owing to the 8-bit resolution (256 cursor steps), they allow the variation of the cursor value through the SPI standard interface.

These chip, with single feed from 2,7 to 5,5 volts, offer the utmost of their performance in audio devices, for volume and tone control; in the servo-engine and battery recharging control; in communications; in line impedance adaptation; in feeders; in instrumentation, in the gain and offset adjustment; in the LCD contrast control and in programmable filters.