SUMMIT Microelectronics: Product Guide: S9418 Product Summary

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S9418 BLOCK DIAGRAM S9418 PIN CONFIGURATION - 20-PIN SOIC

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S9418 Quad 8-Bit Nonvolatile DACPOT™ Electronic Potentiometer With a Mute Control Input FEATURES Four 8-bit DACS - Differential Non-linearity - +0.5LSB max - Integral Non-linearity - +1LSB Each DAC has Independent Reference Inputs - Output Buffer Amplifiers Swing Rail to Rail - Ground to VDD Reference Input Range Each DAC's Digital Input Data Maintained in Nonvolatile EEPROM Power-On Reset Reloads Registers with Nonvolatile Data Simple Serial Interface for Reading and Writing DAC values, SPI™ and QSPI™ compatible. Fully operational from 2.7V to 5.5V Low Power, 4mW max at +5V

OVERVIEW The S9418 DACPOT™ is a serial input, voltage output, quad 8-bit digital to analog converter (DAC). The S9418 operates from a single 2.7V to 5.5V supply. Internal precision buffers swing rail-to-rail and the reference input range includes both ground and the positive supply. The S9418 integrates four 8-bit DACs and their associated circuits which include; an enhanced unity gain operational amplifier output, an 8-bit data latch, an 8-bit nonvolatile register and an industry standard serial interface for reading and writing data to the DACs' data latches and registers. The DACs are independently programmable and each has its own electrically isolated Vreference inputs. [continued in the PDF]

ORDERING INFORMATION

SUMMIT Microelectronics, Inc. reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. SUMMIT Microelectronics, Inc. assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free of patent infringement. Charts and schedules contained herein reflect representative operating parameters, and may vary depending upon a user's specific application. While the information in this publication has been carefully checked, SUMMIT Microelectronics, Inc. shall not be liable for any damages arising as a result of any error or omission. SUMMIT Microelectronics, Inc. does not recommend the use of any of its products in life support or aviation applications where the failure or malfunction of the product can reasonably be expected to cause any failure of either system or to significantly affect their safety or effectiveness. Products are not authorized for use in such applications unless SUMMIT Microelectronics, Inc. receives written assurances, to its satisfaction, that: (a) the risk of injury or damage has been minimized; (b) the user assumes all such risks; and (c) potential liability of SUMMIT Microelectronics, Inc. is adequately protected under the circumstances. Revision 2.2 - This document supersedes all previous versions. Please check the Summit Microelectronics, Inc. web site at www.summitmicro.com for data sheet updates.