Rainbow-electronics MAX9634 Manuel d'utilisateur télécharger pdf

General Description

The MAX9634 high-side current-sense amplifier offers

precision accuracy specifications of V

less than

250µV (max) and gain error less than 0.5% (max).

Quiescent supply current is an ultra-low 1µA. The

MAX9634 fits in a tiny, 1mm x 1mm UCSP™ package

size or a 5-pin SOT23 package, making the part ideal for

applications in notebook computers, cell phones, PDAs,

and all battery-operated portable devices where accura-

cy, low quiescent current, and small size are critical.

The MAX9634 features an input common-mode voltage

range from 1.6V to 28V. These current-sense amplifiers

have a voltage output and are offered in four gain versions:

25V/V (MAX9634T), 50V/V (MAX9634F), 100V/V

(MAX9634H), and 200V/V (MAX9634W).

The four gain selections offer flexibility in the choice of

the external current-sense resistor. The very low 250µV

(max) input offset voltage allows small 25mV to 50mV

full-scale V

SENSE

voltage for very low voltage drop at

full-current measurement.

The MAX9634 is offered in tiny 4-bump UCSP (1mm x

1mm x 0.6mm footprint) and 5-pin SOT23 packages

specified for operation over the -40°C to +85°C extend-

ed temperature range.

Applications

Cell Phones

PDAs

Power-Management Systems

Portable/Battery-Powered Systems

Notebook Computers

Features

o Ultra-Low Supply Current of 1µA (max)

o Low 250µV (max) Input Offset Voltage

o Low < 0.5% (max) Gain Error

o Input Common Mode: +1.6V to +28V

o Voltage Output

o Four Gain Versions Available

25V/V (MAX9634T)

50V/V (MAX9634F)

100V/V (MAX9634H)

200V/V (MAX9634W)

o Tiny 1mm x 1mm x 0.6mm, 4-Bump UCSP or

5-Pin SOT23 Packages

MAX9634

1µA, 4-Bump UCSP/SOT23,

Precision Current-Sense Amplifier

________________________________________________________________

Maxim Integrated Products

MAX9634T/F/H/W

132

RS+ RS-

GND OUTGND

SOT23

UCSP

TOP VIEW

(BUMPS ON BOTTOM)

B1 B2

GND

RS+

OUT

RS-A2

DRAWINGS NOT TO SCALE

Pin Configurations

19-5021; Rev 1; 2/10

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

EVALUATION KIT

AVAILABLE

UCSP is a trademark of Maxim Integrated Products, Inc.

Ordering Information

Denotes a lead(Pb)-free/RoHS-compliant package.

Note: All devices are specified over the -40°C to +85°C

extended temperature range.

PART

PIN-

PACKAGE

GAIN

(V/V)

TOP

MARK

MAX9634TERS+ 4 UCSP 25 +ABX

MAX9634FERS+ 4 UCSP 50 +ABY

MAX9634HERS+ 4 UCSP 100 +ABZ

MAX9634WERS+ 4 UCSP 200 +ACA

MAX9634TEUK+ 5 SOT23 25

+AFHG

MAX9634FEUK+ 5 SOT23 50

+AFHH

MAX9634HEUK+ 5 SOT23 100 +AFHI

MAX9634WEUK+ 5 SOT23 200 +AFHJ

1 2 3 4 5 6 ... 10 11

1µA, 4-Bump UCSP/SOT23 1

Résumé du contenu

Page 1 - 1µA, 4-Bump UCSP/SOT23

General DescriptionThe MAX9634 high-side current-sense amplifier offersprecision accuracy specifications of VOSless than250µV (max) and gain error les

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MAX96341µA, 4-Bump UCSP/SOT23,Precision Current-Sense Amplifier10 ____________________________________________________________________________________

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MAX96341µA, 4-Bump UCSP/SOT23,Precision Current-Sense AmplifierMaxim cannot assume responsibility for use of any circuitry other than circuitry entire

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MAX96341µA, 4-Bump UCSP/SOT23,Precision Current-Sense Amplifier_______________________________________________________________________________________

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MAX96341µA, 4-Bump UCSP/SOT23,Precision Current-Sense Amplifier4 _____________________________________________________________________________________

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MAX96341µA, 4-Bump UCSP/SOT23,Precision Current-Sense Amplifier_______________________________________________________________________________________

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MAX96341µA, 4-Bump UCSP/SOT23,Precision Current-Sense Amplifier_______________________________________________________________________________________

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MAX96341µA, 4-Bump UCSP/SOT23,Precision Current-Sense Amplifier_______________________________________________________________________________________

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Rainbow-electronics MAX9634 Manuel d'utilisateur

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