Datasheet > SMP9517S

SMP9517S

更新时间： 2024-11-19 04:03:43

品牌	Logo	应用领域
SUMMIT		电位器电子
页数	文件大小	规格书
8页	51K
描述
Nonvolatile DACPOT⑩ Electronic Potentiometer With Debounced Push Button Interface

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SMP9517S 数据手册

SUMMIT

SMP9517

MICROELECTRONICS, Inc.

Nonvolatile DACPOT™ Electronic Potentiometer

With Debounced Push Button Interface

FEATURES

OVERVIEW

Digitally Controlled Electronic Potentiometer

The SMP9517 DACPOT trimmer is an 7-bit nonvolatile

DAC designed to replace mechanical potentiometers.

The SMP9517 includes a unity-gain amplifier to buffer the

DAC output and enables V_OUTto swing from rail to rail.

The DACPOT trimmer operates over a supply voltage

range of 2.7V to 5.5V.

•

7-Bit Digital-to-Analog Converter (DAC)

– Independent Reference Inputs

– Differential Non-Linearity of ±0.5LSB max

– Integral Non-Linearity of ±1LSB max

•

_OUTValue in EEPROM for Power-On Recall

– Equivalent to 128-Step Potentiometer

Unity Gain Op Amp Drives up to 1mA

TheSMP9517’ssimplepushbuttoninputprovidesanideal

interface for operator adjusted equipment. This interface

allows for quick and easy adjustment of even the most

sophisticated systems.

•

Simple Trimming Adjustment

– Debounced Pushbutton Interface

Low Noise Operation

•

The SMP9517 is a pin-compatible performance upgrade

for other industry nonvolatile potentiometers. For higher

resolution applications the pin-compatible S9518 pro-

vides256stepswiththesamepushbuttoninterface. Both

theSMP9517andtheS9518provide‘clickless’transitions

“Clickless” Transitions between DAC Steps

No Mechanical Wear-out Problem

– 1,000,000 Stores (typical)

– 100 Year Data Retention

of V_OUT

•

Operation from 2.7V to 5.5V Supply

Low Power: 1mW max at 5V

FUNCTIONAL BLOCK DIAGRAM

Debounce Circuit

7-Bit

OUT

7-Bit Data

7-Bit DAC

& Write Control

E PROM

Logic

DWN#

STR#

GND

UP#

2035 T BD 3.0

Characteristics subject to change without notice

•

300 Orchard City Drive, Suite 131

•

Campbell, CA 95008

•

Phone 408-378-6461 • Fax 408-378-6586 • www.summitmicro.com

2035 3.0 5/10/00

12 3 4 5 6 7 8

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