Datasheet > MAX5550

MAX5550

更新时间： 2024-11-07 14:58:15

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
15页	430K
描述
双路、10位、可编程、可提供30mA高输出电流的DAC

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MAX5550 数据手册

19-3871; Rev 2; 5/06

Dual, 10-Bit, Programmable, 30mA

High-Output-Current DAC

General Description

Features

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.

♦ Pin-Selectable I²C- or SPI-Compatible Interface

♦ 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

Ordering Information

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.

PKG

TOP

PµRT

PIN-PµCKµGE

CODE

MµRK

Applications

MAX5550ETE 16 Thin QFN-EP*

*EP = Exposed paddle.

T1633F-3

ACZ

PIN Diode Biasing

RF Attenuator Control

VCO Tuning

Note: Device is specified over the -40°C to +85°C operating

range.

Functional Diagram

REFIN

+1.25V

REF

BUFFER

10-BIT CURRENT-STEERING

DAC A

OUTA

FSADJA

MAX5550

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

CS/A0 DOUT/A1

________________________________________________________________ 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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与MAX5550相关器件

型号	品牌	获取价格	描述	数据表
MAX5550ETE	MAXIM	获取价格	Dual, 10-Bit, Programmable, 30mA High-Output-Current DAC
MAX5550ETE+	MAXIM	获取价格	暂无描述
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

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