DS4303R/T&R

更新时间： 2024-11-22 21:55:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
8页	421K
描述
Voltage Sample and Infinite Hold

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中文翻译

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数据手册

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DS4303R/T&R 数据手册

Rev 0; 3/05

Voltage Sample and Infinite Hold

General Description

Features

The DS4303 is a nonvolatile (NV) sample and infinite-

hold adjustable voltage reference. The reference volt-

age is programmed in-circuit during factory calibration/

programming. Programming the reference voltage,

♦ Precise Electronically Adjustable Voltage

Reference

♦ Enables Automated Factory Trimming of Devices

Needing Voltage Adjustment

, is as simple as applying the desired voltage on

OUT

and toggling the adjust pin (ADJ) to lock the V

OUT

♦ Can be Adjusted to Within 1mV

voltage level indefinitely, even if the device is power

cycled. The DS4303 replaces current cumbersome fac-

tory adjustment arrangements with a low-cost solution

that can be adjusted using automated techniques. In

addition, the DS4303 has the ability to be readjusted

after the unit has been fully assembled and tested. This

results in a much more flexible manufacturing arrange-

ment, lower inventory costs, and a quicker time-to-market.

♦ Wide Adjustable Output Voltage Range Within

300mV of the Supply Rails

♦ Low Temperature Coefficient

♦

1mA of Output-Current Drive

♦ NV Memory Stores the Voltage Indefinitely

♦ Output Short-Circuit Protection

♦ Low Cost

Applications

♦ Low Power Consumption

Power-Supply Calibration

Threshold Setting

Offset Nulling

♦ 2.4V to 3.6V Single-Supply Operation

♦ Small 5-Lead SOT23 Package

Bias Adjusting

Power Amps

Ordering Information

Pressure Bridges

Factory-Calibrated Equipment

PIN-

SOT

PART

TEMP RANGE

PACKAGE

MARK

DS4303R/T&R

DS4303R+T&R

-40°C to +85°C

SOT23-5

4303

4303+

+Denotes lead-free package.

Typical Operating Circuit

Pin Configuration

TOP VIEW

EXISTING SOLUTION

DS4303 SOLUTION

ADJ

REFERENCE

VOLTAGE

DS4303

REFERENCE

VOLTAGE

DS4303

OUT

GND

SHUNT

VOLTAGE

REFERENCE

GND

ADJ

HAND SELECTED

0.1% RESISTOR

OR MECHANICAL POT

OUT

ACCESS FOR

AUTOMATED

ALIGNMENT

SOT23

______________________________________________ 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 8

中文翻译

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与DS4303R/T&R相关器件

型号	品牌	获取价格	描述	数据表
DS4303R+R	MAXIM	获取价格	Voltage Sample and Infinite Hold
DS4303R+T	MAXIM	获取价格	Voltage Sample and Infinite Hold
DS4303R+T&R	MAXIM	获取价格	Three Terminal Voltage Reference, 1 Output, 3V, Trim/Adjustable, PDSO5, LEAD FREE, SOT23,
DS4303R+T&R	MAXIM	获取价格	Voltage Sample and Infinite Hold
DS4303R-U	MAXIM	获取价格	Three Terminal Voltage Reference, 1 Output, 3V, Trim/Adjustable, PDSO5, LEAD FREE, SOT23,
DS4305	MAXIM	获取价格	Sample-and-Infinite Hold Voltage Reference
DS4305	ADI	获取价格	可编程电压基准
DS4305K	ROCHESTER	获取价格	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO3, SOT-23, 3 PIN
DS4305R/T&R	MAXIM	获取价格	Three Terminal Voltage Reference, 1 Output, 5V, Trim/Adjustable, PDSO5, SOT-23, 5 PIN
DS4305R+T&R	MAXIM	获取价格	Three Terminal Voltage Reference, 1 Output, 5V, Trim/Adjustable, PDSO5, SOT-23, 5 PIN

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