Datasheet > MAX5408

MAX5408

更新时间： 2024-09-16 14:57:19

品牌	Logo	应用领域
亚德诺 - ADI		电位器
页数	文件大小	规格书
13页	692K
描述
双路、音量调节、对数数字电位器

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MAX5408 数据手册

19-2049; Rev 3; 1/05

Dual, Audio, Log Taper Digital Potentiometers

General Description

Features

The MAX5408–MAX5411 dual, logarithmic taper digital

potentiometers, with 32-tap points each, replace

mechanical potentiometers in audio applications requir-

ing digitally controlled resistors. The MAX5408/

MAX5410 are dual potentiometers with one wiper per

potentiometer. The MAX5409/MAX5411 are dual poten-

tiometers with two wipers per potentiometer (see

Functional Diagram). An SPI™-compatible serial inter-

face controls the wiper positions. The MAX5408–

MAX5411 have a factory-set resistance of 10kΩ per

potentiometer. A zero-crossing detect feature mini-

mizes the audible noise generated by wiper transitions.

The MAX5408–MAX5411 have nominal temperature

coefficients of 35ppm/°C end-to-end and 5ppm/°C

ratiometric. The MAX5408–MAX5411 are available in

16-pin QSOP and 16-pin thin QFN packages and are

specified over the extended temperature range (-40°C

to +85°C).

♦ Log Taper with 2dB Steps Between Taps

♦ 32-Tap Positions for Each Wiper

♦ Small 16-Pin QSOP/QFN Packages

♦ Single-Supply Voltage Operation

+2.7V to +3.6V (MAX5408/MAX5409)

+4.5V to +5.5V (MAX5410/MAX5411)

♦ Low 0.5µA Standby Supply Current

♦ Zero-Crossing Detection for Clickless Switching

♦ Mute Function to -90dB

♦ 10kΩ Fixed Resistance Value

♦ 3-Wire SPI-Compatible Serial Data Interface

♦ Power-On Reset: Wiper Goes to Maximum

Attenuation

♦ Digital Output for Readback and Daisy-Chaining

Applications

Capabilities

Stereo Volume Control

Ordering Information

Fading and Balancing Stereo Signals

Mechanical Potentiometer Replacement

PIN-

WIPERS PER

PART

TEMP RANGE

PACKAGE

RESISTOR

MAX5408EEE -40°C to +85°C 16 QSOP

MAX5408ETE -40°C to +85°C 16 Thin QFN

MAX5409EEE -40°C to +85°C 16 QSOP

Functional Diagram appears at end of data sheet.

SPI is a trademark of Motorola, Inc.

Ordering Information continued at end of data sheet.

Pin Configurations

TOP VIEW

DOUT

DIN

LOGIC

DOUT

DIN

LOGIC

SCLK

12 GND

11 AGND

10 H1

SCLK

14 GND

13 AGND

12 H1

MAX5408-

MAX5411

MAX5408-

MAX5411

11 L1

W0A

10 W1A

N.C. (W0B)

N.C. (W1B)

QSOP

(5mm x 6mm)

W0A N.C. (W0B)

N.C. (W1B)

W1A

( ) ARE FOR MAX5409/MAX5411 ONLY

THIN QFN

(4mm x 4mm)

________________________________________________________________ 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...13

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与MAX5408相关器件

型号	品牌	获取价格	描述	数据表
MAX5408EEE	MAXIM	获取价格	Dual, Audio, Log Taper Digital Potentiometers
MAX5408EEE+	MAXIM	获取价格	Digital Potentiometer, 2 Func, 10000ohm, 3-wire Serial Control Interface, 32 Positions, BI
MAX5408EEE+T	MAXIM	获取价格	Digital Potentiometer, 2 Func, 10000ohm, 3-wire Serial Control Interface, 32 Positions, BI
MAX5408EGE	MAXIM	获取价格	DIGITAL POTENTIOMETER\|BICMOS\|LLCC\|16PIN\|CERAMIC
MAX5408EGE-T	MAXIM	获取价格	Digital Potentiometer, 2 Func, 10000ohm, 3-wire Serial Control Interface, 32 Positions, BI
MAX5408ETE	MAXIM	获取价格	Dual, Audio, Log Taper Digital Potentiometers
MAX5408ETE+	MAXIM	获取价格	暂无描述
MAX5408ETE-T	MAXIM	获取价格	Digital Potentiometer, 2 Func, 10000ohm, 3-wire Serial Control Interface, 32 Positions, BI
MAX5408-MAX5411	MAXIM	获取价格	Dual, Audio, Log Taper Digital Potentiometers
MAX5409	MAXIM	获取价格	Dual-Audio.Log Taper Digital Potentiometers

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