Datasheet > DS3908

DS3908

更新时间： 2024-11-22 04:15:15

品牌	Logo	应用领域
美信 - MAXIM		电位器
页数	文件大小	规格书
11页	219K
描述
Dual, 64-Position Nonvolatile Digital Potentiometer with Buffered Outputs

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DS3908 数据手册

Rev 0; 4/06

Dual, 64-Position Nonvolatile Digital

Potentiometer with Buffered Outputs

General Description

Features

The DS3908 contains two nonvolatile digital poten-

tiometers with programmable-gain amplifiers buffering

the wiper outputs. The potentiometer position and

ꢀ Two 64-Position Linear Taper Potentiometers

ꢀ Integral Wiper Buffering Amplifiers with

Selectable Gains of 1V/V, 2V/V, or 4V/V

amplifier gain are controlled through an I C*-compati-

ꢀ 100kΩ Potentiometer End-to-End Resistance

ꢀ Low Potentiometer Temperature Coefficient

ꢀ Nonvolatile Wiper and Gain Storage

ble serial bus. The DS3908 operates in both 3.3V and

5V systems and features a write-protect pin that locks

the position of the potentiometers and gain registers. Up

to eight DS3908s can be placed on a single I C bus.

ꢀ I C-Compatible Interface

ꢀ Write-Protect Pin Prevents Accidental Field

Reprogramming

ꢀ 3V to 5.5V Supply Voltage Range

ꢀ -40°C to +85°C Operating Temperature Range

ꢀ 14-Pin TDFN Package

Applications

Ordering Information

Pin-Diode Biasing

PART

DS3908N+

TEMP RANGE

PIN-PACKAGE

Power-Supply Calibration

Cell Phones and PDAs

Portable Electronics

-40°C to +85°C

14 TDFN

+Denotes lead-free package.

Typical Operating Circuit

Pin Configuration

TOP VIEW

VOLTAGE

SDA

SCL

POT0

POT1

REFERENCE

DS3908

13 H1

NV ADJUSTABLE

REFERENCE

VOLTAGE

PGA0

PGA1

SDA

SCL

I C

DS3908

INTERFACE

10 H0

NV ADJUSTABLE

REFERENCE

VOLTAGE

GND

TDFN (3mm x 3mm)

I C is a trademark of Philips Corp. Purchase of I C components from Maxim Integrated Products, Inc., or one of its sublicensed

Associated Companies, conveys a license under the Philips I C Patent Rights to use these components in an I C system, provided

that the system conforms to the I C Standard Specification as defined by Philips.

______________________________________________ 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...11

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与DS3908相关器件

型号	品牌	获取价格	描述	数据表
DS3908N	MAXIM	获取价格	Dual, 64-Position Nonvolatile Digital Potentiometer with Buffered Outputs
DS3908N-001	MAXIM	获取价格	Digital Potentiometer, 2 Func, 100000ohm, 2-wire Serial Control Interface, 64 Positions, 3
DS3908N-001+	MAXIM	获取价格	Digital Potentiometer, 2 Func, 100000ohm, 2-wire Serial Control Interface, 64 Positions, 3
DS3911	MAXIM	获取价格	Temperature-Controlled, Nonvolatile, I2C Quad DAC
DS3911	TTELEC	获取价格	Platon GU Flow Meter Spares
DS3911	ADI	获取价格	具有温度控制的非易失、四通道、I2C接口DAC
DS3911T+	MAXIM	获取价格	Temperature-Controlled, Nonvolatile, I2C Quad DAC
DS3911T+T	MAXIM	获取价格	Temperature-Controlled, Nonvolatile, I2C Quad DAC
DS3920	MAXIM	获取价格	Fast Current Mirror Voltage Clamp Protects Subsequent Output Circuitry
DS3920	ADI	获取价格	高速电流镜

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