MAX5407EKA-T Maxim Integrated Products, MAX5407EKA-T Datasheet

MAX5407EKA-T

Manufacturer Part Number

MAX5407EKA-T

Description

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX5407EKAT.pdf (7 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX5407EKA-T

Manufacturer:

POWER-ONE

Quantity:

360

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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 applica-

tions, 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 20kΩ 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.

19-2196; Rev 0; 10/01

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

SOT-PoT is a trademark of Maxim Integrated Products, Inc.

ZCEN

GND

U/D

Audio Volume Control

Fading/Balancing Audio Signals

Mechanical Potentiometer Replacement

UP/DOWN

COUNTER

MAX5407

________________________________________________________________ Maxim Integrated Products

General Description

32-POSITION

Functional Diagram

DECODER

Applications

32-Tap Audio Logarithmic Taper

o Miniature 3mm x 3mm 8-Pin SOT23 Package

o Logarithmic Taper with 1dB Steps Between Taps

o 32 Tap Positions

o Low 0.35µA Supply Current

o +2.7V to +5.5V Single-Supply Operation

o Zero-Crossing Detection to Minimize Audible

o Simple Up/Down 2-Wire Serial Data Interface

o Power-On Reset

o 20kΩ End-to-End Resistance

MAX5407EKA

Clicks During Wiper Transitions

Wiper Goes To Maximum Attenuation

(Lowest Tap Position)

Digital Potentiometer

PART

TOP VIEW

TEMP. RANGE

-40°C to +85°C

GND

Ordering Information

MAX5407

SOT23

Pin Configuration

PACKAGE

8 SOT23

PIN-

ZCEN

U/D

Features

TOP MARK

AAID

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