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MAX5407

Maxim
Part Number MAX5407
Manufacturer Maxim
Description 32-Tap Audio Logarithmic Taper Digital Potentiometer
Published Apr 29, 2005
Detailed Description 19-2196; Rev 0; 10/01 32-Tap Audio Logarithmic Taper Digital Potentiometer General Description The MAX5407 SOT-PoT™ is ...
Datasheet PDF File MAX5407 PDF File

MAX5407
MAX5407

Overview
19-2196; Rev 0; 10/01 32-Tap Audio Logarithmic Taper Digital Potentiometer General Description 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 2wire 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.
Features 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 Clicks During Wiper Transitions o Simple Up/Down 2-Wire Serial Data Interface o Power-On Reset Wiper Goes To Maximum Attenuation (Lowest Tap Position) o 20kΩ End-to-End Resistance MAX5407 Applications Audio Volume Control Fading/Balancing Audio Signals Mechanical Potentiometer Replacement PART MAX5407EKA Ordering Information TEMP.
RANGE -40°C to +85°C PINPACKAGE 8 SOT23 TOP MARK AAID Functional Diagram H VDD GND Pin Configuration TOP VIEW H GND W L 1 2 3 4 8 ZCEN VDD CS U/D MAX5407 MAX5407 7 6 5 CS U/D ZCEN UP/DOWN COUNTER 32-POSITION DECODER W SOT23 L SOT-PoT is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________ Maxim Integrated Products 1 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.
32-T...


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