MAX5407EKA+T SOT23-8 digital potentiometer 32 steg

The MAX5407 SOT-PoT is a logarithmic taper digital

potentiometer with 32 tap points that has 1dB steps

between taps. This device is ideal for audio applications, such as volume control and fading/balancing

audio signals.

The MAX5407 consists of a resistor string and CMOS

switches that are digitally controlled through a simple 2-

wire serial interface. This device performs the same

function as a mechanical potentiometer. The device

has a fixed end-to-end resistance of 20k? and features

zero-crossing detection to minimize the audible noise

generated by the wiper transitions.

This device has nominal resistor temperature coefficients

of 35ppm/°C end-to-end and 5ppm/°C ratiometric. The

MAX5407 is available in a space saving 8-pin SOT23

package and is guaranteed from -40°C to +85°C

Miniature 3mm x 3mm 8-Pin SOT23 Package

Logarithmic Taper with 1dB Steps Between Taps

32 Tap Positions

Low 0.35µA Supply Current

+2.7V to +5.5V Single-Supply Operation

Zero-Crossing Detection to Minimize Audible

Clicks During Wiper Transitions

Simple Up/Down 2-Wire Serial Data Interface

Power-On Reset

Wiper Goes To Maximum Attenuation

(Lowest Tap Position)

20k? End-to-End Resistance