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INA333 Status: ACTIVE

Low Power, Precision Instrumentation Amplifier

      
         
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See Also

  • INA321 - Shutdown, lower input bias current
  • INA118 - Lower noise, higher CMRR, wider supply
  • INA326 - CM greater than supply, lower noise

View all related products

 INA333
CMRR(Min)(dB)100  
Number of Channels1  
Pin/Package8MSOP, 8SON  
Input Offset (+/-)(Max)(uV)25  
Input Offset Drift (+/-)(Max)(uV/Degrees Celsius)0.1  
Input Bias Current (+/-)(Max)(nA)0.2  
Noise at 1kHz(Typ)(nV/rt(Hz))50  
Quiescent Current (+/-)(Typ)(mA)0.05  
Settling Time to 0.01%(Typ)(us)50  
Gain(V/V)1 to 1000  
Input TypeCMOS  
Output Offset (+/-)(Max)(uV)75/G  
Output Offset Drift (+/-)(Max)(uV/Degrees Celsius)0.5/G  
Operating Temp Range(Celsius)-40 to 125  
Vs(Min)(V)1.8  
Vs(Max)(V)5.5  
 Samples
 Inventory

Customers Who Evaluated This Product Also Evaluated

  • INA118: Precision, Low Power Instrumentation Amplifier
  • INA326: Precision, Low Drift, CMOS Instrumentation Amplifier
  • INA122: Single Supply, MicroPower Instrumentation Amplifier
  • OPA2333: 1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier
  • SN74LVC1G04: Single Inverter
  • OPA333: 1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier

More Related Products

Product Information

Features

  • LOW OFFSET VOLTAGE: 25µV (max), G ≥ 100
  • LOW DRIFT: 0.1µV/°C, G ≥ 100
  • LOW NOISE: 50nV/√Hz, G ≥ 100
  • HIGH CMRR: 100dB (min), G ≥ 10
  • LOW INPUT BIAS CURRENT: 200pA(max)
  • SUPPLY RANGE: +1.8V to +5.5V
  • INPUT VOLTAGE: (V-) +0.1V to (V+) -0.1V
  • OUTPUT RANGE: (V-) +0.05V to (V+) -0.05V
  • LOW QUIESCENT CURRENT: 50µA
  • OPERATING TEMPERATURE: -40°C to +125°C
  • RFI FILTERED INPUTS
  • MSOP-8 AND DFN-8 PACKAGES
  • APPLICATIONS
    • BRIDGE AMPLIFIERS
    • ECG AMPLIFIERS
    • PRESSURE SENSORS
    • MEDICAL INSTRUMENTATION
    • PORTABLE INSTRUMENTATION
    • WEIGH SCALES
    • THERMOCOUPLE AMPLIFIERS
    • RTD SENSOR AMPLIFIERS
    • DATA ACQUISITION

Description

The INA333 is a low-power, precision instrumentationamplifier offering excellent accuracy. The versatile 3-op amp design, small size, and low power make it ideal for a wide range of portable applications.

A single external resistor sets any gain from 1 to 1000. The INA333 is designed to use an industry-standard gain equation: G = 1 + (100kΩ/RG).

The INA333 provides very low offset voltage (25µV, G ≥ 100), excellent offset voltage drift (0.1µV/°C, G ≥ 100), and high common-mode rejection (100dB at G ≥ 10). It operates with power supplies as low as 1.8V (±0.9V), and quiescent current is only 50µA—ideal for battery-operated systems. Using autocalibration techniques to ensure excellent precision over the extended industrial temperature range, the INA333 also offers exceptionally low noise density (50nV/√Hz) that extends down to dc.

The INA333 is available in both MSOP-8 and DFN-8 surface-mount packages and is specified over the TA = -40°C to +125°C temperature range.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
INA333AIDGKRACTIVE-40 to 1251.80 | 1kuMSOP (DGK) | 8 View 2500 | LARGE T&R
INA333AIDGKRG4ACTIVE-40 to 1251.80 | 1kuMSOP (DGK) | 8 View 2500 | LARGE T&R
INA333AIDGKTACTIVE-40 to 1252.00 | 1kuMSOP (DGK) | 8 View 250 | SMALL T&RPurchase Samples
INA333AIDGKTG4ACTIVE-40 to 1252.00 | 1kuMSOP (DGK) | 8 View 250 | SMALL T&RPurchase Samples
INA333AIDRGRACTIVE-40 to 1251.80 | 1kuSON (DRG) | 8  1000 | LARGE T&RPurchase Samples
INA333AIDRGTACTIVE-40 to 1252.00 | 1kuSON (DRG) | 8  250 | SMALL T&R

* 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
INA333AIDGKRAs of 11:26 AM GMT, 03 Jul 2009As of 11:26 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 8 Weeks AmericasAvnet >1k
 DigiKey 15
 Mouser Electronics 920
 Newark 754
INA333AIDGKRG4As of 11:26 AM GMT, 03 Jul 2009As of 11:26 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 8 Weeks AmericasDigiKey  Available
INA333AIDGKTAs of 11:26 AM GMT, 03 Jul 2009As of 11:26 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 8 Weeks AmericasDigiKey  Available
 EuropeCompel 47
INA333AIDGKTG4As of 11:26 AM GMT, 03 Jul 2009As of 11:26 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 8 Weeks AmericasDigiKey  Available
INA333AIDRGRAs of 11:26 AM GMT, 03 Jul 2009As of 11:26 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 4 WeeksNone Reported
View Distributors		   
INA333AIDRGTAs of 11:26 AM GMT, 03 Jul 2009As of 11:26 AM GMT, 03 Jul 2009
 Lead TimeRegionCompanyIn StockPurchase
 4 Weeks AmericasDigiKey 419
View all Distributors  

** 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 ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
INA333AIDGKR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
INA333AIDGKRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
INA333AIDGKT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
INA333AIDGKTG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
INA333AIDRGR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
INA333AIDRGT RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* 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

Most useful technical documents for INA333 Help

Datasheet

Application Notes

Simulation Models

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Tools & Software

NamePart # Company Tool / Software Type
Calculate Input Common-Mode Range of Instrumentation AmplifiersINA-CMV-CALCTexas InstrumentsCalculation Utilities
SPICE-Based Analog Simulation ProgramTINA-TITexas InstrumentsSimulators
MDACBufferPro Output Buffer Amplifier Selection ToolMDACBUFFERPRO Texas Instruments Application Software 

Part # Name Product Family Comments
INA321   Micropower single-supply CMOS Instrumentation Amplifier     Shutdown, lower input bias current  
INA118   Precision, Low Power Instrumentation Amplifier     Lower noise, higher CMRR, wider supply  
INA326   Precision, Low Drift, CMOS Instrumentation Amplifier     CM greater than supply, lower noise  
INA122   Single Supply, MicroPower Instrumentation Amplifier     CM to GND, wider supply range  
TMP102   Low Power Digital Temperature Sensor with SMBus/Two-Wire Serial Interface in SOT563   TEMPERATURE SENSORS AND CONTROL ICs - TEMPERATURE SENSORS   Low power, small size Temp Sensor    
OPA379   1.8V, 2.9uA, 90kHz Rail-to-Rail I/O Operational Amplifier   PRECISION AMPLIFIERS - LOW POWER      
OPA333   1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier   PRECISION AMPLIFIERS - LOW OFFSET VOLTAGE   Lowest power Zero Drift Op Amp    
INA210   Voltage Output, High/Low-Side Measurement, Bi-Directional Zero-Drift Series Current Shunt Monitor   AMPLIFIERS AND LINEAR - CURRENT SHUNT MONITORS   Zero Drift, High Accuracy current shunt monitor    
ADS1158   16 bit, 16 Channel Fast Cycling 125kSPS Delta Sigma ADC   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTERS      
ADS1232   24-Bit, Ultra Low-Noise Analog-to-Digital Converter   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTERS      
ADS1274   Quad, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC   DATA CONVERTERS - ANALOG TO DIGITAL CONVERTERS      
DAC8881   Single Channel 16-Bit, Low Noise, Voltage Output Digital-to-Analog Converter   DATA CONVERTERS - DIGITAL TO ANALOG CONVERTERS      
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