Datasheet > MAX548-MAX550

MAX548-MAX550

更新时间： 2024-09-15 22:55:19

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
16页	174K
描述
+2.5V to +5.5V, Low-Power, Single/Dual, 8-Bit Voltage-Output DACs in レMAX Package

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中文翻译

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数据手册

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MAX548-MAX550 数据手册

19-1206; Rev 0; 3/97

+2 .5 V t o +5 .5 V, Lo w -P o w e r, S in g le /Du a l,

8 -Bit Vo lt a g e -Ou t p u t DACs in µMAX P a c k a g e

849/MX50A

_______________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

♦ +2.5V to +5.5V Single-Supply Operation

♦ ±1LSB (max) TUE

The MAX548A/MAX549A/MAX550A serial, 8-bit voltage-

output digital-to-analog converters (DACs) operate from

a single +2.5V to +5.5V supply. Their ±1LSB TUE spec-

ification is guaranteed over temperature. Operating cur-

rent (supply current plus reference current) is typically

♦ Power-On Reset Clears All Registers to Zero

♦ Low Operating Current:

75µA per DAC with V

= 2.5V. In shutdown, the DAC

is disconnected from the reference, reducing current

drain to less than 1µA. The MAX548A/MAX549A allow

each DAC to be shut down independently.

150µA (MAX548A/MAX549A, V

= +2.5V)

REF

75µA (MAX550A, V

= +2.5V)

REF

♦ 1µA Shutdown Mode

The 10MHz, 3-wire serial interface is compatible with

SPI™/QSPI™ a nd Mic rowire ™ inte rfa c e s ta nd a rd s .

Double-buffered inputs provide flexibility when updat-

ing the DACs; the input and DAC registers can be

updated individually or simultaneously.

♦ 10MHz, 3-Wire Serial Interface Compatible with

SPI/QSPI and Microwire

♦ µMAX Package—50% Smaller than 8-Pin SO

♦ Independent Shutdown of DACs

The MAX548A is a dual DAC with an asynchronous

(MAX548A/MAX549A)

load input; it uses V

as the reference input. The

MAX549A is a dual DAC with an external reference

input. The MAX550A is a single DAC with an external

reference input and an asynchronous load input.

The MAX548A/MAX549A/MAX550A’s low power con-

sumption and small µMAX and DIP packages make

these devices ideal for portable and battery-powered

applications.

______________Ord e rin g In fo rm a t io n

†

PART

TEMP. RANGE

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

8 Plastic DIP

8 µMAX

MAX548ACPA

MAX548ACUA

MAX548AC/D

MAX548AEPA

MAX548AEUA

________________________Ap p lic a t io n s

Battery-Powered Systems

Dice*

8 Plastic DIP

8 µMAX

VCXO Control

Comparator-Level Settings

Ordering Information continued at end of data sheet.

*Dice are specified at T = +25°C, DC parameters only.

GaAs Amp Bias Control

†

Contact factory for availability of 8-pin SO package.

Digital Gain and Offset Control

_________________P in Co n fig u ra t io n s

_____________________S e le c t o r Gu id e

FEATURE

MAX548A

MAX549A

MAX550A

TOP VIEW

Number of DACs

DAC Reference

GND

OUTA

External

OUTB

LDAC

SCLK

Asynchronous

Load DAC Input

√

—

√

MAX548A

µMAX Package

√

DIN

DIP/µMAX

SPI and QSPI are trademarks of Motorola Inc.

Microwire is a trademark of National Semiconductor Corp.

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

12 3 4 5 6 7...16

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与MAX548-MAX550相关器件

型号	品牌	获取价格	描述	数据表
MAX549	MAXIM	获取价格	+2.5V to +5.5V, Low-Power, Single/Dual, 8-Bit
MAX5490	MAXIM	获取价格	100k зPrecision-Matched Resistor-Divider in S
MAX5490	ADI	获取价格	100kΩ精密匹配的电阻分压器，SOT23封装
MAX5490_05	MAXIM	获取价格	100k ?Precision-Matched Resistor-Divider in SOT23
MAX5490GA01000+T	MAXIM	获取价格	Array/Network Resistor, Divider, 0.5714W, 35ppm/Cel, Surface Mount, SOT-23, ROHS COMPLIANT
MAX5490GB01000	MAXIM	获取价格	RESISTOR, NETWORK, FILM, DIVIDER, 0.5714W, SURFACE MOUNT, SOT-23
MAX5490GB01000+T	MAXIM	获取价格	Array/Network Resistor, Divider, 0.5714W, 35ppm/Cel, Surface Mount, SOT-23, ROHS COMPLIANT
MAX5490GB01000-T	MAXIM	获取价格	RESISTOR, NETWORK, FILM, DIVIDER, 0.5714W, SURFACE MOUNT, SOT-23
MAX5490GC01000+T	MAXIM	获取价格	Array/Network Resistor, Divider, 0.5714W, 35ppm/Cel, Surface Mount, SOT-23, ROHS COMPLIANT
MAX5490MA02000+T	MAXIM	获取价格	Array/Network Resistor, Divider, 0.5714W, 35ppm/Cel, Surface Mount, SOT-23, ROHS COMPLIANT

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