MAX5550ETE+

更新时间： 2024-09-24 12:58:27

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美信 - MAXIM		/
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15页	398K
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MAX5550ETE+ 数据手册

19-3871; Rev 0; 10/05

Dual, 10-Bit, Programmable, 30mA

High-Output-Current DAC

General Description

Features

♦ Pin-Selectable I²C- or SPI-Compatible Interface

The MAX5550 dual, 10-bit, digital-to-analog converter

(DAC) features high-output-current capability. The

MAX5550 sources up to 30mA per DAC, making it ideal

for PIN diode biasing applications. Outputs can also be

paralleled for high-current applications (up to 60mA

typ). Operating from a single +2.7V to +5.25V supply,

the MAX5550 typically consumes 1.5mA per DAC in

normal operation and less than 1µA (max) in shutdown

mode. The MAX5550 also features low output leakage

current in shutdown mode ( 1µA max) that is essential

to ensure that the external PIN diodes are off.

♦ Guaranteed Low Output Leakage Current in

Shutdown (±±1µ maꢀx

♦ Guaranteed Monotonic over Eꢀtended

Temperature Range

♦ Dual Outputs for Balanced Systems

♦ Current Outputs Source Up to 30mµ per DµC

♦ Parallelable Outputs for 60mµ µpplications

♦ Output Stable with RF Filters

Additional features include an integrated +1.25V

bandgap reference, and a control amplifier to ensure

high accuracy and low-noise performance. A separate

reference input (REFIN) allows for the use of an external

reference source, such as the MAX6126, for improved

gain accuracy. A pin-selectable I²C*-/SPI™-compatible

serial interface provides optimum flexibility for the

MAX5550. The maximum programmable output current

value is set using software and an adjustment resistor.

♦ Internal or Eꢀternal Reference Capability

♦ Digital Output (DOUTx µvailable for Daisy

Chaining in SPI Mode

♦ +2.7V to +5.25V Single-Supply Operation

♦ ±6-Pin (3mm ꢀ 3mmx Thin QFN Package

♦ Programmable Output Current Range Set by

Software and µdjustment Resistor

The MAX5550 is available in a (3mm x 3mm) 16-pin thin

QFN package, and is specified over the extended

(-40°C to +85°C) temperature range.

Ordering Information

TEMP

PIN-

PKG

TOP

PµRT

Applications

RµNGE PµCKµGE

CODE

MµRK

PIN Diode Biasing

RF Attenuator Control

VCO Tuning

-40°C to

+85°C

MAX5550ETE

16 Thin QFN T1633F-3

ACZ

Functional Diagram

REFIN

+1.25V

REF

BUFFER

10-BIT CURRENT-STEERING

DAC A

OUTA

FSADJA

MAX5550

*Purchase of I²C components from Maxim Integrated Products,

Inc., or one of its sublicensed Associated Companies, conveys

a license under the Philips I²C Patent Rights to use these com-

ponents in an I²C system, provided that the system conforms

to the I²C Standard Specification as defined by Philips.

10-BIT CURRENT-STEERING

DAC B

OUTB

DAC REGISTER B

DAC REGISTER A

SPI is a trademark of Motorola, Inc.

FSADJB

SPI/I2C

16-BIT INPUT REGISTER

Pin Configuration appears at end of data sheet.

SCLK/SCL DIN/SDA

GND

DOUT/A1

CS/A0

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7...15

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MAX5550ETE+ 替代型号

型号	品牌	替代类型	描述	数据表
MAX5550ETE+T	MAXIM	完全替代	暂无描述
MAX5550ETE	MAXIM	完全替代	Dual, 10-Bit, Programmable, 30mA High-Output-Current DAC

与MAX5550ETE+相关器件

型号	品牌	获取价格	描述	数据表
MAX5550ETE+T	MAXIM	获取价格	暂无描述
MAX5556	MAXIM	获取价格	Low-Cost Stereo Audio DACs
MAX5556_11	MAXIM	获取价格	Low-Cost Stereo Audio DAC
MAX5556ESA	MAXIM	获取价格	Low-Cost Stereo Audio DACs
MAX5556ESA/V+	MAXIM	获取价格	Low-Cost Stereo Audio DAC
MAX5556ESA+	MAXIM	获取价格	Low-Cost Stereo Audio DAC
MAX5556ESA+T	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, PDSO8, 0.150 INCH, ROHS COMPLIANT, PLASTIC, M
MAX5556GSA+	MAXIM	获取价格	D/A Converter, 1 Func, Serial Input Loading, PDSO8, 0.150 INCH, ROHS COMPLIANT, PLASTIC, M
MAX5557ESA	MAXIM	获取价格	Low-Cost Stereo Audio DACs
MAX5558ESA	MAXIM	获取价格	Low-Cost Stereo Audio DACs

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