Rainbow-electronics MAX5106 Bedienungsanleitung PDF herunterladen (Seite 1)

General Description

The MAX5105/MAX5106 nonvolatile, quad, 8-bit digital-

to-analog converters (DACs) operate from a single

+2.7V to +5.5V supply. An internal EEPROM stores the

DAC states even after power is removed. Data from

these nonvolatile registers automatically initialize the

DAC outputs and operating states during power-up.

Precision internal buffers swing Rail-to-Rail

, and the

reference input range includes both ground and the

positive rail.

The MAX5105/MAX5106 feature a software-controlled

10µA shutdown mode and a mute state that drives the

DAC outputs to their respective REFL_ voltages. The

MAX5105 includes an asynchronous MUTE input, as

well as a RDY/BSY output that indicates the status of

the nonvolatile memory.

The MAX5105 is available in a 20-pin QSOP and 20-pin

wide SO packages, and the MAX5106 is available in a

16-pin QSOP package.

________________________Applications

Digital Gain and Offset Adjustments

Programmable Attenuators

Portable Instruments

Power-Amp Bias Control

Features

♦ On-Chip EEPROM Stores DAC States

♦ Power-On Reset Initialization of All Registers to

Prestored States

♦ +2.7V to +5.5V Single-Supply Operation

♦ Four 8-Bit DACs with Independent High and Low

Reference Inputs (MAX5105)

♦ Ground to V

Reference Input Range

♦ Rail-to-Rail Output Buffers

♦ Low 1mA Supply Current

♦ Low Power 10µA (max) Shutdown Mode

♦ Small 20- or 16-Pin QSOP Package

♦ SPI™/QSPI™/MICROWIRE™-Compatible Serial

Interface

♦ Asynchronous MUTE Input (MAX5105)

♦ RDY/BSY Pin to Indicate Memory Status

(MAX5105)

♦ Wide Operating Temperature Range

(-40°C to +85°C)

MAX5105/MAX5106

Nonvolatile, Quad, 8-Bit DACs

________________________________________________________________ Maxim Integrated Products 1

REFH2

REFH3

OUT0

OUT1RDY/BSY

REFH0

REFH1

TOP VIEW

OUT2

OUT3

REFL3

REFL2DOUT

DIN

CLK

REFL1

REFL0GND

MUTE

MAX5105

20 QSOP/SOIC

REFH1 REFH2

REFH3

OUT0

OUT1

OUT2

OUT3

REFL1

REFL0

MAX5106

16 QSOP

REFH0

DIN

CLK

DOUT

GND

Ordering Information

Pin Configurations

19-1925; Rev 1; 6/01

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Functional Diagram appears at end of data sheet.

Rail-to-Rail is a trademark of Nippon Motorola, Ltd.

SPI/QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

PART TEMP RANGE PIN-PACKAGE

MAX5105EEP -40°C to +85°C 20 QSOP

MAX5105EWP -40°C to +85°C 20 SO

MAX5106EEE -40°C to +85°C 16 QSOP

1 2 3 4 5 6 ... 18 19

Inhaltsverzeichnis

Seite 1 - Nonvolatile, Quad, 8-Bit DACs

General DescriptionThe MAX5105/MAX5106 nonvolatile, quad, 8-bit digital-to-analog converters (DACs) operate from a single+2.7V to +5.5V supply. An int

Seite 2

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs10 ______________________________________________________________________________________14-BIT SERIAL WOR

Seite 3

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 11Serial Interface

Seite 4

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs12 ______________________________________________________________________________________Figure 2. 3-Wire

Seite 5

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 13The nonvolatile

Seite 6

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs14 ______________________________________________________________________________________on the rising edg

Seite 7

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 15Nonvolatile Load

Seite 8

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs16 ______________________________________________________________________________________This initializati

Seite 9

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 17DAC3REFL2*REFH3R

Seite 10

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs18 ______________________________________________________________________________________Package Informati

Seite 11

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACsMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Ma

Seite 12

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs2 _______________________________________________________________________________________ABSOLUTE MAXIMUM

Seite 13

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs________________________________________________________________________________________ 3ELECTRICAL CHARA

Seite 14

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs4 _______________________________________________________________________________________ELECTRICAL CHARAC

Seite 15

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs________________________________________________________________________________________ 500.10.30.20.40.5

Seite 16

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs6 _______________________________________________________________________________________Typical Operating

Seite 17

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs_______________________________________________________________________________________ 71.0 µs/divPOSITIV

Seite 18

Detailed DescriptionThe MAX5105/MAX5106 quad, 8-bit DACs feature aninternal, nonvolatile EEPROM, which stores the DACstates for initialization during

Seite 19

MAX5105/MAX5106Nonvolatile, Quad, 8-Bit DACs________________________________________________________________________________________ 9DAC OperationThe

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Rainbow-electronics MAX5106 Bedienungsanleitung Seite 1

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