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MAX4378FAUK-T

更新时间： 2024-11-24 23:46:31

品牌	Logo	应用领域
美信 - MAXIM		模拟IC 信号电路
页数	文件大小	规格书
9页	250K
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Analog IC

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MAX4378FAUK-T 技术参数

生命周期：	Active	Reach Compliance Code：	compliant
风险等级：	5.6	Is Samacsys：	N
Base Number Matches：	1

MAX4378FAUK-T 数据手册

19-1781; Rev 0; 7/00

Single/Dual/Quad High-Side Current-Sense

Amplifiers with Internal Gain

General Description

Features

The MAX4376/MAX4377/MAX4378 single, dual, and

quad precision high-side current-sense amplifiers are

available in space-saving packages. They feature

buffered voltage outputs that eliminate the need for

gain-setting resistors and are ideal for today’s notebook

computers, cell phones, and other systems where cur-

rent monitoring is critical. These precision devices are

offered in three fixed-gain versions of 20, 50, and 100:

ꢀ Low-Cost Single/Dual/Quad High-Side Current-

Sense Amplifiers

ꢀ ±±0.5 Tꢀpiꢁal Full-Sꢁale Aꢁꢁuraꢁꢀ

ꢀ +3V to +28V Supplꢀ Operation

ꢀ Adjustable Current-Sense Capabilitꢀ with External

Sense Resistor

ꢀ Buffered Output Voltage with 2mA Drive

ꢀ 1mA (tꢀp) Supplꢀ Current

ꢀ 20±MHz Bandwidth (Gain = +2±V/V)

ꢀ Automotive Temperature Range (-4±°C to +12.°C)

GAIN

SUFFIX

100

ꢀ Full ± to 28V Common-Mode Range, Independent

For example, MAX4376TAUK is a single high-side

amplifier with a gain of 20.

of Supplꢀ Voltage

ꢀ Three Gain Versions Available

+2±V/V (MAX437_T)

High-side current monitoring is especially useful in bat-

tery-powered systems since it does not interfere with

the ground path of the battery charger. The input com-

mon-mode range of 0 to +28V is independent of the

supply voltage and ensures that the current-sense

feedback remains viable even when connected to a

battery pack in deep discharge.

+.±V/V (MAX437_F)

+1±±V/V (MAX437_H)

ꢀ Available in Spaꢁe-Saving .-pin SOT23 (Single),

8-pin µMAX (Dual), and 14-pin TSSOP (Quad)

Ordering Information

The full-scale current reading can be set by choosing

the appropriate voltage gain and external-sense resis-

tor. This capability offers a high level of integration and

flexibility, resulting in a simple and compact current-

sense solution.

GAIN

(+V/+V)

TEMP.

RANGE

PIN-

PACKAGE

TOP

MARK

PART

MAX4376TAUK-T

-40°C to +125°C

5 SOT23-5

8 SO

ADOG

ADOH

ADOI

—

MAX4376FAUK-T

The MAX4376/MAX4377/MAX4378 operate over a sup-

ply voltage range of +3V to +28V, draw 1mA of supply

current per amplifier, and operate over the full automo-

tive temperature range of -40°C to +125°C. These

devices have a wide bandwidth of 2MHz, making them

suitable for use inside battery-charger control loops.

The buffered outputs drive up to 2mA of output current

into a ground-referenced load.

MAX4376HAUK-T 100

MAX4376TASA

MAX4376FASA

MAX4376HASA

8 SO

—

100

8 SO

—

Ordering Information continued at end of data sheet.

The MAX4376 is available in a tiny 5-pin SOT23 pack-

age. The MAX4377/MAX4378 are available in space-

saving 8-pin µMAX and 14-pin TSSOP packages,

respectively.

Pin Configurations

TOP VIEW

Applications

OUT

GND

RS-

RS+

Notebook Computers

Current-Limited Power

Supplies

Portable/Battery-Powered

Systems

Cell Phones

Smart Battery Packages

Automotive Current Detect

MAX4376

Fuel Gauges in PC

General-System/Board-

Level Current Monitoring

Battery Chargers

Power Management

Systems

PA Bias Control

SOT23

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

This Material Copyrighted by Its Respective Manufacturer

12 3 4 5 6 7...9

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与MAX4378FAUK-T相关器件

型号	品牌	获取价格	描述	数据表
MAX4378HASA	MAXIM	获取价格	Analog IC
MAX4378HASD	MAXIM	获取价格	Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain
MAX4378HASD+	MAXIM	获取价格	暂无描述
MAX4378HASD+T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, SO-14
MAX4378HASD-T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, SO-14
MAX4378HAUD	MAXIM	获取价格	Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain
MAX4378HAUD+T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, TSSOP-14
MAX4378HAUD-T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO14, TSSOP-14
MAX4378HAUK-T	MAXIM	获取价格	Analog IC
MAX4378TASA	MAXIM	获取价格	Analog IC

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