MAX5128ELA+

The MAX5128ELA+ belongs to MAX5128 which also features an ultra-small, 2mm x 2mm DFN package and low 0.5A (typ)standby supply current, making this device ideal for portable applications. The MAX5128 nonvolatile, single, linear-taper, digital potentiometer performs the function of a mechanical potentiometer, but replaces the mechanics with a simple 2-wire digital interface. The MAX5128 performs the same function as a discrete potentiometer or variable resistor and features 128 taps and 22k end-to-end resistance. The MAX5128 operates from a +2.7V to +5.25V power supply. The digital potentiometer provides a low 5ppm/°C ratiometric temperature coefficient and is specified over the extended -40°C to +85°C temperature range. An integrated nonvolatile memory recalls the programmed wiper position of the digital potentiometer. A simple 2-wire up/down interface programs the wiper position.

The features of MAX5128ELA+ can be summarized as (1)ultra-small, 2mm x 2mm, 8-Pin DFN package; (2)power-on recall of wiper position from nonvolatile memory; (3)22k end-to-end resistance; (4)128 tap positions; (5)5ppm/°C ratiometric temperature coefficient; (6)1.5A (max)standby supply current; (7)+2.7V to +5.25V single supply operation; (8)80,000 wiper store cycles; (9)50-Year wiper data retention.

The absolute maximum ratings of MAX5128ELA+ are (1)VCC to GND: -0.3V to +6.0V; (2)UP and DN to GND: -0.3V to (VCC + 0.3V); (3)H, L, and W to GND: -0.3V to (VCC + 0.3V); (4)maximum continuous current into H, L, and W: ±0.5mA; (5)maximum continuous current into all other pins: ±50mA; (6)continuous power dissipation (TA = +70°C)8-pin DFN (derate 4.7mW/°C above +70°C): 376.5mW; (7)operating temperature range: -40°C to +85°C; (8)junction temperature: +150°C; (9)storage temperature range: -60°C to +150°C; (10)lead temperature (soldering, 10s): +300°C.