S9518S Datasheet

IC型號：
S9518S
PDF描述：
Nonvolatile DACPOT Electronic Potentiometer With Debounced P...
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SUMMIT

MICROELECTRONICS, Inc.

S9518

Nonvolatile DACPOT鈩?Electronic Potentiometer

With Debounced Push Button Interface

FEATURES

Digitally Controlled Electronic Potentiometer

鈥?8-Bit Digital-to-Analog Converter (DAC)

鈥?Independent Reference Inputs

鈥?Differential Non-Linearity -

鹵

0.5LSB max

鈥?Integral Non-Linearity -

鹵

1LSB max

鈥?V

OUT

Value in EEPROM for Power-On Recall

鈥?Equivalent to 256-Step Potentiometer

鈥?Unity Gain Op Amp Drives up to 1mA

鈥?Simple Trimming Adjustment

鈥?Debounced Push Button Interface

鈥?Low Noise Operation

鈥?鈥淐lickless鈥?Transitions between DAC Steps

鈥?No Mechanical Wearout Problem

鈥?1,000,000 Stores (typical)

鈥?100 Year Data Retention

鈥?Operation from +2.7V to +5.5V Supply

鈥?Low Power, 1mW max at +5V

OVERVIEW

The S9518 DACPOT trimmer is an 8-bit nonvolatile DAC

designed to replace mechanical potentiometers. The

S9518 includes a unity-gain amplifier to buffer the DAC

output and enables V

OUT

to swing from rail to rail. The

DACPOT trimmer operates over a supply voltage range of

2.7V to 5.5V.

The S9518鈥檚 simple push button input provides an ideal

interface for operator adjusted equipment. This interface

allows for quick and easy adjustment of even the most

sophisticated systems.

The S9518 is a pin-compatible performance upgrade for

other industry nonvolatile potentiometers. The S9518

offers double the resolution of these devices and provides

鈥榗lickless鈥?transitions of V

OUT

FUNCTIONAL BLOCK DIAGRAM

VDD

8-bit E2PROM

Debounce Circuit

& Write Control

Logic

8-bit Data Register

8-bit DAC

VOUT

UP DWN STR

GND

2017 ILL2.2

SUMMIT MICROELECTRONICS, Inc.

鈥?/div>

300 Orchard City Drive, Suite 131

鈥?/div>

Campbell, CA 95008

鈥?/div>

Telephone 408-378-6461

鈥?/div>

Fax 408-378-6586

鈥?/div>

www.summitmicro.com

漏 SUMMIT MICROELECTRONICS, Inc. 1999

2017-04 4/24/99

Characteristics subject to change without notice

型號

版本

描述

廠商

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Nonvolatile DACPOT Electronic Potentiometer With Debounced P...

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Nonvolatile DACPOT Electronic Potentiometer With Debounced P...

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