MAX9634

PRODUCTION

nanoPower, 4-Bump UCSP/SOT23, Precision Current-Sense Amplifier

Industry's Smallest Current-Sense Amp: 1mm x 1mm with I_CC < 1µA, V_OS < 250µV, Gain Error < 0.5%

Data Sheet (Rev. 6)

Part Models: 16
1ku List Price: Starting From $0.86

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Part Details

Ultra-Low Supply Current of 1µA (max)
Low 250µV (max) Input Offset Voltage
Low < 0.5% (max) Gain Error
Input Common Mode: +1.6V to +28V
Voltage Output
Four Gain Versions Available
- 25V/V (MAX9634T)
- 50V/V (MAX9634F)
- 100V/V (MAX9634H)
- 200V/V (MAX9634W)
Tiny 1mm x 1mm x 0.6mm, 4-Bump UCSP or 5-Pin SOT23 Packages

Part Models: 16
1ku List Price: Starting From $0.86

Documentation

Data Sheet 1

MAX9634: nanoPower, 4-Bump UCSP/SOT23, Precision Current-Sense Amplifier Data Sheet (Rev.6) 08/31/2021

Reliability Data 1

MAX9634 Reliability Data 01/12/2023

Technical Articles 3

How Continuous Positive Airway Pressure (CPAP) Respiratory Ventilation Systems Function 05/10/2010

Introduction to Ventilators and Ventilation Rate Measurements 05/10/2010

DC Error Budget Calculator Simplifies Selection of Optimal Current-Sense Amplifiers 04/09/2013

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX9634FERS+	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634FERS+T	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634FEUK+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634FEUK+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634HERS+	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634HERS+T	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634HEUK+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634HEUK+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634TERS+	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634TERS+T	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634TEUK+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634TEUK+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634WERS+	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634WERS+T	Ultra Chip-Scale Package, 2x2 Array	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634WEUK+	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX9634WEUK+T	Small-Outline Transistor Package	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jan 11, 2021 - 1703RN ASSEMBLY
		pcn_1703rn
MAX9634FEUK+	PRODUCTION
MAX9634HEUK+	PRODUCTION
MAX9634WEUK+	PRODUCTION
MAX9634WEUK+T	PRODUCTION
Jun 29, 2018 - 1703N ASSEMBLY
		pcn_1703n
MAX9634FEUK+T	PRODUCTION
MAX9634HEUK+T	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Current Sense Amplifiers 3
MAX4173	PRODUCTION	Low-Cost, SOT23, Voltage-Output, High-Side Current-Sense Amplifier
MAX4073	PRODUCTION	Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier
MAX4372	RECOMMENDED FOR NEW DESIGNS	Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output

Tools & Simulations

SPICE Model 1

MAX9634F SPICE Macro Model

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