MAX5404 PDF Datasheet

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Description

This is Dual 256-Tap / Low-Drift / Digital Potentiometers in 10-MAX. 19-1934; Rev 1; 4, 01 Dual 256-Tap, Low-Drift, Digital Potentiometers in 10- MAX General Description The MAX5403, MAX5404, MAX5405 is a family of dual linear taper digital potentiometers. Each device has one 3-terminal potentiometer and one 2-terminal variable resistor (Figure 1). The MAX5403, MAX5404, MAX5405 operate from +2.7V to +5.5V single-supply voltages and use an ultra-low supply current of 0.1 A. These devices also provide glitchless switching between resistors taps as well as a convenient power-on reset (POR) that sets the wiper to the midscale position at power-up. The potentiometer consists of a fixed resistor with a wiper contact that is digitally controlled through a 3-wire serial interface and has 256-tap points. It performs the same function as a discrete potentiometer or variable resistor. These parts are ideal for applications requiring digitally controlled resistors. Three resistance values are available: 10kΩ (MAX5403), 50kΩ (MAX5404), and 100kΩ (MAX5405). A nomina.