INA321
(ACTIVE) Micropower single-supply CMOS Instrumentation 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
INA321E/250 ACTIVE -55 to 125 1.70 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available
INA321E/250G4 ACTIVE -55 to 125 1.70 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R 1K - 5K 1k quantity lead time: In stock
INA321E/2K5 ACTIVE -55 to 125 1.55 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office Contact Distributor INA321E/2K5G4 ACTIVE -55 to 125 1.55 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
INA321EA/250 ACTIVE -55 to 125 1.25 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
INA321EA/250G4 ACTIVE -55 to 125 1.25 | 1ku VSSOP (DGK) | 8 View 250 | SMALL T&R 1K - 5K 1k quantity lead time: In stock
Not Available
INA321EA/2K5 ACTIVE -55 to 125 1.10 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor INA321EA/2K5G4 ACTIVE -55 to 125 1.10 | 1ku VSSOP (DGK) | 8 View 2500 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks

* 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 953 31 Jan 2006

Application Notes (1)

Title Abstract Type Size (KB) Date Views
PDF 1310 24 May 2004 14,320

Selection & Solution Guides (3)

Title Type Size (KB) Date Views
PDF 6000 11 Jul 2013 27,914
PDF 4838 02 May 2013 5,096
PDF 3594 10 Apr 2013 4,966

Tools & Software

Models (3)

Title Category Type Size (KB) Date Views
INA321 PSpice Model (Rev. A) PSpice Model ZIP 55 KB 04 Oct 2011 1,190 views
INA321 TINA-TI Reference Design (Rev. B) TINA-TI Reference Design TSC 86 KB 04 Oct 2011 138 views
INA321 TINA-TI Spice Model (Rev. A) TINA-TI Spice Model ZIP 3 KB 04 Oct 2011 1,123 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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