Datasheet > MAX5452

MAX5452

更新时间： 2024-11-10 22:55:19

品牌	Logo	应用领域
美信 - MAXIM		电位器
页数	文件大小	规格书
12页	607K
描述
Dual, 256-Tap, Up/Down Interface, Digital Potentiometers

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MAX5452 数据手册

19-1997; Rev 0; 4/01

Dual, 256-Tap, Up/Down Interface,

Digital Potentiometers

General Description

Features

The MAX5450–MAX5455 are a family of dual digital

potentiometers that perform the same function as a

mechanical potentiometer or variable resistor. The

MAX5451/MAX5453/MAX5455 have two 3-terminal

potentiometers and the MAX5450/MAX5452/MAX5454

have two 2-terminal variable resistors. The MAX5450–

MAX5455 operate from a +2.7V to +5.5V single-supply

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

These devices consist of two fixed resistors each

with 256 digitally-controlled wiper contacts. The conve-

nient power-on reset (POR) sets the wiper to midscale

position at power-up and the easy-to-use up/down

interface allows glitchless switching between

resistor taps. Six inputs control the 14-pin MAX5451/

MAX5453/MAX5455 potentiometers. Four inputs control

the 10-pin MAX5450/MAX5452/MAX5454 variable resis-

tors.

ꢀ Small-Footprint Packages

10-Pin µMAX (MAX5450/MAX5452/MAX5454)

14-Pin TSSOP (MAX5451/MAX5453/MAX5455)

ꢀ 256-Tap Positions

ꢀ Independent Up/Down Potentiometer Controls

(MAX5451/MAX5453/MAX5455)

ꢀ Ultra-Low 0.1µA Supply Current

ꢀ +2.7V to +5.5V Single-Supply Operation

ꢀ Low 35ppm/°C End-to-End Temperature

Coefficient

ꢀ Power-On Reset Sets Wiper to Midscale

(Position 127)

ꢀ Glitchless Switching Between the Resistor Taps

ꢀ 10kΩ, 50kΩ, 100kΩ Resistance Values

The MAX5450–MAX5455 are ideal for applications

requiring digitally-controlled resistors. Three resistance

values are available: 10kΩ, 50kΩ, and 100kΩ. An end-

to-end resistor temperature coefficient of 35ppm/°C

and a ratiometric temperature coefficient of 5ppm/°C

make the MAX5450–MAX5455 excellent choices for

adjustable gain circuit requiring low-temperature drift

Ordering Information

PIN-

PACKAGE

PART

TEMP. RANGE

R (kΩ)

The MAX5450–MAX5455 are available in 10-pin µMAX

and 14-pin TSSOP packages. Each device is guaran-

teed over the extended–industrial temperature range

(-40°C to +85°C).

MAX5450EUB

MAX5451EUD

MAX5452EUB

MAX5453EUD

MAX5454EUB

MAX5455EUD

-40°C to +85°C

10 µMAX

14 TSSOP

10 µMAX

14 TSSOP

10 µMAX

14 TSSOP

100

Applications

Mechanical Potentiometer Replacement

Low-Drift Programmable-Gain Amplifier (PGA)

Volume Control

Pin Configurations

LCD Screen Adjustment

Adjustable Voltage References

Adjustable Linear Regulators

Programmable Filters, Delays, Time Constants

Impedance Matching

TOP VIEW

CS1

U/D1

U/D2

14 CS2

13 INC1

12 INC2

11 GND

10 W2

CS1

U/D

10 CS2

INC

GND

MAX5450

MAX5452

MAX5454

MAX5451

MAX5453

MAX5455

µMAX

TSSOP

________________________________________________________________ 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...12

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与MAX5452相关器件

型号	品牌	获取价格	描述	数据表
MAX5452EUB	MAXIM	获取价格	Dual, 256-Tap, Up/Down Interface, Digital Potentiometers
MAX5452EUB+	MAXIM	获取价格	Digital Potentiometer, 2 Func, 50000ohm, Increment/decrement Control Interface, 256 Positi
MAX5453	MAXIM	获取价格	Dual, 256-Tap, Up/Down Interface, Digital Potentiometers
MAX5453	ADI	获取价格	双路、256抽头、增/减控制接口数字电位器
MAX5453EUD	MAXIM	获取价格	Dual, 256-Tap, Up/Down Interface, Digital Potentiometers
MAX5453EUD+	MAXIM	获取价格	Digital Potentiometer, 2 Func, 50000ohm, Increment/decrement Control Interface, 256 Positi
MAX5453EUD+T	MAXIM	获取价格	Digital Potentiometer, 2 Func, 50000ohm, Increment/decrement Control Interface, 256 Positi
MAX5453EUD-T	MAXIM	获取价格	Digital Potentiometer, 2 Func, 50000ohm, Increment/decrement Control Interface, 256 Positi
MAX5454	MAXIM	获取价格	Dual, 256-Tap, Up/Down Interface, Digital Potentiometers
MAX5454	ADI	获取价格	双路、256抽头、增/减控制接口数字电位器

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