器件名称: SMP9517S
功能描述: Nonvolatile DACPOT
文件大小: 51.38KB 共8页
简 介:SUMMIT
MICROELECTRONICS, Inc.
SMP9517
Nonvolatile DACPOT Electronic Potentiometer With Debounced Push Button Interface
FEATURES
Digitally Controlled Electronic Potentiometer 7-Bit Digital-to-Analog Converter (DAC) – Independent Reference Inputs – Differential Non-Linearity of ±0.5LSB max – Integral Non-Linearity of ±1LSB max VOUT Value in EEPROM for Power-On Recall – Equivalent to 128-Step Potentiometer Unity Gain Op Amp Drives up to 1mA Simple Trimming Adjustment – Debounced Pushbutton Interface Low Noise Operation “Clickless” Transitions between DAC Steps No Mechanical Wear-out Problem – 1,000,000 Stores (typical) – 100 Year Data Retention Operation from 2.7V to 5.5V Supply Low Power: 1mW max at 5V
OVERVIEW
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 VOUT to swing from rail to rail. The DACPOT trimmer operates over a supply voltage range of 2.7V to 5.5V. The SMP9517’s simple pushbutton input provides an ideal interface for operator adjusted equipment. This interface allows for quick and easy adjustment of even the most sophisticated systems. The SMP9517 is a pin-compatible performance upgrade for other industry nonvolatile potentiometers. For higher resolution applications the pin-compatible S9518 provides 256 steps with the same pushbutton interface. Both the SMP9517 and the S9518 provide ‘clickless’ transitions of VOUT.
F……
