Datasheet > MAX5400

MAX5400

更新时间： 2024-09-16 14:58:03

品牌	Logo	应用领域
亚德诺 - ADI		电位器
页数	文件大小	规格书
8页	250K
描述
256抽头SOT-PoT、低漂移数字电位器，SOT23封装

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MAX5400 数据手册

19-1848; Rev 0; 10/00

256-Tap SOT-PoT,

Low-Drift Digital Potentiometers in SOT23

General Description

Features

The MAX5400/MAX5401 digital potentiometers offer

256-tap SOT-PoT™ digitally controlled variable resis-

tors in tiny 8-pin SOT23 packages. Each device func-

tions as a mechanical potentiometer, consisting of a

fixed resistor string with a digitally controlled wiper con-

tact. They operate from +2.7V to +5.5V single-supply

voltages and use an ultra-low supply current of 0.1µA.

These devices also provide glitchless switching

between resistor taps, as well as a convenient power-

on reset that sets the wiper to the midscale position at

power-up. A low 5ppm/°C ratiometric temperature coef-

ficient makes it ideal for applications requiring low drift.

o Miniature 8-Pin SOT23 (3mm x 3mm)

o 256 Tap Positions

o Ultra-Low 0.1µA Supply Current

o Single-Supply Operation: +2.7V to +5.5V

o Low Ratiometric Temperature Coefficient:

5ppm/°C

o Power-On Reset: Wiper Goes to Midscale

(Position 128)

o Glitchless Switching Between the Resistor Taps

o 3-Wire SPI™-Interface Compatible

o 50kΩ/100kΩ Resistor Values

The MAX5400/MAX5401 serve well in applications

requiring digitally controlled resistors, including

adjustable voltage references and programmable gain

amplifiers (PGAs). A nominal end-to-end resistor tem-

perature coefficient of 50ppm/°C allows these parts to

be used as variable resistors in applications such as

low-tempco adjustable gain and other circuit configura-

tions.

Ordering Information

Two resistance values are available: 50kΩ (MAX5400)

and 100kΩ (MAX5401). Each device is guaranteed over

the extended industrial temperature range (-40°C to

+85°C).

TEMP.

PIN-

PART

R (kΩ)

RANGE

PACKAGE

MAX5400EKA-T

MAX5401EKA-T

-40°C to +85°C

8-SOT23

100

________________________Applications

SOT-PoT is a trademark of Maxim Integrated Products.

SPI is a trademark of Motorola, Inc.

Mechanical Potentiometer Replacement

Low-Drift PGAs

Pin Configuration appears at end of data sheet.

Adjustable Voltage References

Functional Diagram

8-BIT

LATCH

DECODER

8-BIT

SHIFT

DIN

MAX5400/MAX5401

SCLK

CLOCK

LOGIC

POR

GND

________________________________________________________________ Maxim Integrated Products

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7 8

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与MAX5400相关器件

型号	品牌	获取价格	描述	数据表
MAX5400EKA	MAXIM	获取价格	Digital Potentiometer, 1 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, B
MAX5400EKA+T	MAXIM	获取价格	Digital Potentiometer, 1 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, B
MAX5400EKA-T	MAXIM	获取价格	256-Tap SOT-PoT, Low-Drift Digital Potentiometers in SOT23
MAX5400-MAX5401	MAXIM	获取价格	256-Tap SOT-PoT, Low-Drift Digital Potentiometers in SOT23
MAX5401	MAXIM	获取价格	256-Tap SOT-PoT, Low-Drift Digital Potentiometers in SOT23
MAX5401	ADI	获取价格	256抽头SOT-PoT、低漂移数字电位器，SOT23封装
MAX5401EKA	MAXIM	获取价格	Low-Drift Digital Potentiometers in SOT23
MAX5401EKA+	MAXIM	获取价格	Digital Potentiometer, 1 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions,
MAX5401EKA-T	MAXIM	获取价格	256-Tap SOT-PoT, Low-Drift Digital Potentiometers in SOT23
MAX5402	MAXIM	获取价格	256-Tap, レPoT, Low-Drift, Digital Potentiomet

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