INA331
(ACTIVE) Low-Power, Single Supply, CMOS, Instumentation Amplifier

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community

Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
Not Available
INA331AIDGKR ACTIVE -55 to 125 0.80 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor INA331AIDGKRG4 ACTIVE -55 to 125 0.80 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
INA331AIDGKT ACTIVE -55 to 125 0.92 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
INA331AIDGKTG4 ACTIVE -55 to 125 0.92 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R 65 Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
INA331IDGKR ACTIVE -55 to 125 1.12 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor INA331IDGKRG4 ACTIVE -55 to 125 1.12 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
INA331IDGKT ACTIVE -55 to 125 1.24 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
INA331IDGKTG4 ACTIVE -55 to 125 1.24 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R 212 For lead times contact TI Authorized Distributor or local TI sales office

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 983 04 Apr 2005

Application Notes (1)

Title Abstract Type Size (KB) Date Views
PDF 1310 24 May 2004 14,356

Selection & Solution Guides (1)

Title Type Size (KB) Date Views
PDF 6000 11 Jul 2013 27,696

Tools & Software

Models (3)

Title Category Type Size (KB) Date Views
INA331 PSpice Model (Rev. A) PSpice Model ZIP 59 KB 04 Oct 2011 983 views
INA331 TINA-TI Reference Design (Rev. B) TINA-TI Reference Design TSC 93 KB 04 Oct 2011 120 views
INA331 TINA-TI Spice Model (Rev. A) TINA-TI Spice Model ZIP 9 KB 04 Oct 2011 953 views

Design Kits & Evaluation Modules (1)

Name Part# Type
DIP Adapter Evaluation Module DIP-ADAPTER-EVM Evaluation Modules & Boards

Development Tools (2)

Name Part# Type
Calculate Input Common-Mode Range of Instrumentation Amplifiers INA-CMV-CALC Calculation Tools
SPICE-Based Analog Simulation Program TINA-TI Circuit Design & Simulation



Support & Community


TI E2E™ Community

TI E2E Community

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Training & Events

Name Type Available During
High Performance, Variable Gain, Differential Amplifiers
This presentation covers the criteria used to select variable gain blocks and features some state of the art TI amplifiers.
On-Line Training   On Demand  
Engineer It - Understanding basic sensored BLDC motor operation
Michael Firth, Motor Driver marketing manager, discusses the basic operation of a BLDC motor.
On-Line Training   On Demand  
Automotive Class-D Amplifier Basics
This video will provide the basics of how class-D amplifiers operate. This will focus specifically on automotive applications.
On-Line Training   On Demand  
Engineer It - How to understand ripples in RF devices performance
Ripples arise while characterizing devices at RF and microwave frequencies.
On-Line Training   On Demand  
Engineer It – When to use a pre-driver vs. an integrated motor driver
Learn the differences between a pre-driver and an integrated motor driver and when to choose one over the other.
On-Line Training   On Demand  
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