Microchip Technology introduced the MCP41HV31 and MCP41HV51 (MCP41HVXX) volatile, SPI digital potentiometers. The devices operate at 10, 12, 18, 24 and particularly 36 volts, for systems requiring wide signal swing or high power-supply voltages. Both digital potentiometers are available now for samples and volume production, in 14-pin TSSOP and 20-pin, 5×5 mm QFN packages. The MCP41HV31 is priced at $0.99 each and the MCP41HV51 is $1.09 each in 5,000-unit quantities.
Analog Devices launched the AD514x and AD512x series of non-volatile single-, dual- and quad-channel digital potentiometers. The ADI digiPOT devices feature resistance tolerance of ±1 percent (typical). The AD514x and AD512x series improves component matching in industrial and communication control systems. Digital POT devices can be used to calibrate system tolerances or dynamically control system parameters. Nonvolatile memory digital potentiometers provide wiper setting retention after a power OFF to ON cycle. In addition, fuse link parts offer a one time program trimmer feature.