S9418 Datasheet

IC型號：
S9418
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Quad 8-Bit Nonvolatile DACPOT⑩ Electronic Potentiometer Wit...
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SUMMIT

MICROELECTRONICS, Inc.

S9418

Quad 8-Bit Nonvolatile DACPOT鈩?Electronic Potentiometer

With a Mute Control Input

FEATURES

鈥?Four 8-Bit DACS

鈥?Differential Non-linearity -

鹵

0.5LSB max

鈥?Integral Non-Linearity Error -

鹵

1LSB max

鈥?Each DAC has Independent Reference Inputs

鈥?Output Buffer Amplifiers Swing Rail-to-Rail

鈥?Ground to V

Reference Input Range

鈥?Each DAC鈥檚 Digital Inputs Maintained in

EEPROM

鈥?Power-On Reset Reloads Registers with

Nonvolatile Data

鈥?Simple Serial Interface for Reading and Writing

DAC values, SPI鈩?and QSPI鈩?compatible.

鈥?Fully operational from 2.7V to 5.5V

鈥?Low Power, 4mW max at +5V

OVERVIEW

The S9418 DACPOT鈩?is a serial input, voltage output,

quad 8-bit digital to analog converter. The S9418 oper-

ates from a single +2.7V to +5.5V supply. Internal preci-

sion 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 associ-

ated circuits which include; an enhanced unity gain opera-

tional amplifier output, an 8-bit data latch, an 8-bit non-

volatile register and an industry standard serial interface

for reading and writing data to the DACs鈥?data latches and

registers. The DACs are independently programmable

and each has its own electrically isolated Vreference

inputs.

FUNCTIONAL BLOCK DIAGRAM

Memory Control

Programming

Memory

Controller

8-bit E2PROM

VREFH0

VOUT0

RDY/BSY

Serial Data In

8-bit Data Register

8-bit DAC

AMP

VREFL0

DAC Section 0

Serial Data Out

VREFH1

VOUT1

VREFL1

CLK

MUTE

VDD

GND

Control

Logic

DAC Section 1

DAC Section 2

VREFH2

VOUT2

VREFL2

VREFH3

VOUT3

VREFL3

2023 ILL2 1.2

DAC Section 3

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

2023 1.5 4/24/99

Characteristics subject to change without notice

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S9418

英文版

Quad 8-Bit Nonvolatile DACPOT⑩ Electronic Potentiometer Wit...

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