DS2740

PRODUCTION

High-Precision Coulomb Counter

High-Precision Battery Fuel Gauge Costs Less than $1.00 Ideal for Handheld Products

Data Sheet (Rev. 4) Product Selection Table

Part Models: 4
1ku List Price: Starting From $2.57

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Part Details

15-Bit Bidirectional Current Measurement (DS2740U)
- 1.56µV LSB and ±51.2mV Dynamic Range
- 78µA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (R_SNS)
- 156µA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (R_SNS)
13-Bit Bidirectional Current Measurement (DS2740BU)
- 6.25µV LSB and ±51.2mV Dynamic Range
- 312µA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (R_SNS)
- 625µA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (R_SNS)
Analog Input Filter (IS1, IS2) Extends Dynamic Range for Pulse-Load Applications
Current Accumulation Register Resolution
- 6.25µVhr (Both DS2740U and DS2740BU)
- 0.3125mAhr with External 20mΩ R_SNS
- 0.6250mAhr with External 10mΩ R_SNS
Dallas 1-Wire Interface
- Unique 64-Bit Device Address
- Standard and Overdrive Timings (OVD)
Low Power Consumption:
- Active Current: 65µA max
- Sleep Current: 1µA max

Part Models: 4
1ku List Price: Starting From $2.57

Documentation

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
DS2740BU+	Micro-MAX, Thin Shrink Small-Outline	Material Declaration Reliablity Data	Ultra Librarian SamacSys
DS2740BU+T&R	Micro-MAX, Thin Shrink Small-Outline	Material Declaration Reliablity Data	Ultra Librarian SamacSys
DS2740U+	Micro-MAX, Thin Shrink Small-Outline	Material Declaration Reliablity Data	Ultra Librarian SamacSys
DS2740U+T&R	Micro-MAX, Thin Shrink Small-Outline	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Sep 19, 2018 - 1753N ASSEMBLY
		pcn_1753n
DS2740U+	PRODUCTION
DS2740U+T&R	PRODUCTION

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

Tools & Simulations

Software Development 1

DS2740K Evaluation Kit Software, 1.7.0

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37 Weeks Ago

Part Details

Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 1

Technical Articles 3

Tools & Simulations

Software Development 1

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