INA327 Status: ACTIVE

Precision, Low Drift, CMOS Instrumentation Amplifier with Shutdown

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Datasheet

INA326, 327: Precision, Rail-To-Rail I/O Instrumentation Amplifier (Rev. D) (ina327.pdf, 641 KB)
03 Nov 2004 Download

	INA327
CMRR(Min)(dB)	100
Number of Channels	1
Pin/Package	10MSOP
Input Offset (+/-)(Max)(uV)	100
Input Offset Drift (+/-)(Max)(uV/Degrees Celsius)	0.4
Input Bias Current (+/-)(Max)(nA)	2
Noise at 1kHz(Typ)(nV/rt(Hz))	33
Quiescent Current (+/-)(Typ)(mA)	2.4
Settling Time to 0.01%(Typ)(us)	160
Gain(V/V)	0.1 to 10000
Input Type	CMOS
Non-Linearity (+/-)(Max)(%)	0.01
Bandwidth at G=100(Min)(kHz)	1
Operating Temp Range(Celsius)	-40 to 85
Vs(Min)(V)	2.7
Vs(Max)(V)	5.5
	Samples
	Inventory

Customers Who Evaluated This Product Also Evaluated

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Product Information

Features

PRECISION
   LOW OFFSET: 100 µV (max)
   LOW OFFSET DRIFT: 0.4 µV/°C (max)
   EXCELLENT LONG-TERM STABILITY
   VERY-LOW 1/f NOISE
TRUE RAIL-TO-RAIL I/O
   INPUT COMMON-MODE RANGE:
      20mV Below Negative Rail to 100mV Above Positive Rail
   WIDE OUTPUT SWING: Within 10mV of Rails
   SUPPLY RANGE: Single +2.7V to +5.5V
SMALL SIZE
microPACKAGE: MSOP-8, MSOP-10
LOW COST
APPLICATIONS
- LOW-LEVEL TRANSDUCER AMPLIFIER FOR BRIDGES, LOAD CELLS, THERMOCOUPLES
- WIDE DYNAMIC RANGE SENSOR MEASUREMENTS
- HIGH-RESOLUTION TEST SYSTEMS
- WEIGH SCALES
- MULTI-CHANNEL DATA ACQUISITION SYSTEMS
- MEDICAL INSTRUMENTATION
- GENERAL-PURPOSE

Description

The INA326 and INA327 (with shutdown) are high-performance, low-cost, precision instrumentation amplifiers with rail-to-rail input and output. They are true single-supply instrumentation amplifiers with very low DC errors and input common-mode ranges that extends beyond the positive and negative rails. These features make them suitable for applications ranging from general-purpose to high-accuracy.

Excellent long-term stability and very low 1/f noise assure low offset voltage and drift throughout the life of the product.

The INA326 (without shutdown) comes in the MSOP-8 package. The INA327 (with shutdown) is offered in an MSOP-10. Both are specified over the industrial temperature range, –40°C to +85°C, with operation from –40°C to +125°C.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools		Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
INA327EA/250	ACTIVE	-40 to 85	2.30 \| 1ku	MSOP (DGS) \| 10	View	250 \| SMALL T&R
INA327EA/250G4	ACTIVE	-40 to 85	2.30 \| 1ku	MSOP (DGS) \| 10	View	250 \| SMALL T&R
INA327EA/2K5	ACTIVE	-40 to 85	2.10 \| 1ku	MSOP (DGS) \| 10	View	2500 \| LARGE T&R	Purchase Samples
INA327EA/2K5G4	ACTIVE	-40 to 85	2.10 \| 1ku	MSOP (DGS) \| 10	View	2500 \| LARGE T&R	Purchase Samples

* 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.

Inventory

	TI Inventory Status			Reported Distributor Inventory
INA327EA/250	As of 9:04 AM GMT, 10 Oct 2008			As of 9:04 AM GMT, 10 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 16 Jan	16 Weeks	Americas	Avnet	250
					DigiKey	299
					Mouser Electronics	142
					Newark	239
				Asia	WPI	200
INA327EA/250G4	As of 9:04 AM GMT, 10 Oct 2008			As of 9:04 AM GMT, 10 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 16 Jan	16 Weeks	Europe	Farnell	>1k
INA327EA/2K5	As of 9:04 AM GMT, 10 Oct 2008			As of 9:04 AM GMT, 10 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 16 Jan	16 Weeks	Americas	DigiKey	279
INA327EA/2K5G4	As of 9:04 AM GMT, 10 Oct 2008			As of 9:04 AM GMT, 10 Oct 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 16 Jan	16 Weeks	None Reported View Distributors
View all Distributors

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
INA327EA/250	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
INA327EA/250G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
INA327EA/2K5	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
INA327EA/2K5G4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

INA326, 327: Precision, Rail-To-Rail I/O Instrumentation Amplifier (Rev. D) (ina327.pdf, 641 KB)
03 Nov 2004 Download

Application Notes

Shelf-Life Evaluation of Lead-Free Component Finishes (szza046.htm, 8 KB)
24 May 2004 Abstract
Thermal and Electrical Properties of Selected Packaging Materials (sbfa010.htm, 8 KB)
04 Oct 2000 Abstract

Simulation Models

Spice Model
- INA327 TINA Macro Model and Test Circuit (Enhanced Model - Long Simulation Time) (sboc171.zip, 13 KB)
  28 Aug 2006 zip
- INA327T TINA Macro Model and Test Circuit (Standard Model - Recommended) (sboc172.zip, 32 KB)
  28 Aug 2006 zip

Tools & Software

Name	Part #	Company	Tool / Software Type
Calculate Input Common-Mode Range of Instrumentation Amplifiers	INA-CMV-CALC	Texas Instruments	Calculation Utilities
SPICE-Based Analog Simulation Program	TINA-TI	Texas Instruments	Simulators
MDACBufferPro Output Buffer Amplifier Selection Tool	MDACBUFFERPRO	Texas Instruments	Application Software

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