OPA121
(ACTIVE) Low Cost Precision Difet Operational Amplifier

Description &
Features
 Sample &
Buy
 Technical
Documents
 Tools &
Software
 Support & Community
Low Cost Precision Difet Operational Amplifier - OPA121

Datasheet


Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Replaced By Temp (oC) Price | QTY Package | Pins Top Side Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
Not Available
OPA121KM OBSOLETE OPA121KU   Contact Distributor TO-99 (LMC) | 8     >5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available Not Available OPA121KM3 OBSOLETE     Contact Distributor TO-99 (LMC) | 8     No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Not Available OPA121KP OBSOLETE OPA121KU   Contact Distributor PDIP (P) | 8     No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Not Available OPA121KP4 OBSOLETE     Contact Distributor PDIP (P) | 8     No Stock For lead times contact TI Authorized Distributor or local TI sales office
OPA121KU ACTIVE   0 to 70 6.10 | 1ku SOIC (D) | 8 View 75 | TUBE 1K - 5K Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
OPA121KU/2K5 ACTIVE   0 to 70 5.10 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor OPA121KU/2K5G4 ACTIVE   0 to 70 5.10 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Contact TI Distributor or Sales Office Contact Distributor OPA121KUE4 ACTIVE   0 to 70 6.10 | 1ku SOIC (D) | 8 View 75 | TUBE 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.

Related Products

Part # Name Product Family Comments
OPA124   Low Noise Precision Difet Operational Amplifier   OPERATIONAL AMPLIFIER - PRECISION AMPLIFIER    Similar to OPA121 with 0.25VIO, 4.5mA Iq and 2MHz GBW  
OPA129   Ultra-Low Bias Current Difet Operational Amplifier   OPERATIONAL AMPLIFIER - PRECISION AMPLIFIER    Similar to OPA121 but with 1.8mA Iq and 1MHz GBW  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 261 27 Sep 2000

Tools & Software

Models (3)

Title Category Type Size (KB) Date Views
OPA121 PSpice Model (Rev. A) PSpice Model ZIP 56 KB 18 Nov 2011 249 views
OPA121 TINA-TI Reference Design (Rev. B) TINA-TI Reference Design TSC 109 KB 18 Nov 2011 108 views
OPA121 TINA-TI Spice Model (Rev. A) TINA-TI Spice Model ZIP 3 KB 18 Nov 2011 224 views

Design Kits & Evaluation Modules (2)

Name Part# Type
DIP Adapter Evaluation Module DIP-ADAPTER-EVM Evaluation Modules & Boards
Universal Operational Amplifier Evaluation Module OPAMPEVM Evaluation Modules & Boards

Development Tools (9)

Name Part# Type
Automatic Resistor/Capacitor Calculator for Passive Filters RC-FILTER-CALC Calculation Tools
Decibel Calculator DECIBEL-CALC Calculation Tools
Frequency/Wavelength Calculator FREQ-WAVE-CALC Calculation Tools
Noise Calculator, Generator and Examples OPAMP-NOISECALC Calculation Tools
Op Amp Gain Stage Calculator GAIN-STAGE-CALC Calculation Tools
Resistor Calculator for Op Amp Gain and Zero Shift RESISTOR-CALC Calculation Tools
Active Filter Design Application FILTERPRO Circuit Design & Simulation
Analog Filter Design FILTER-DESIGNER Circuit Design & Simulation
SPICE-Based Analog Simulation Program TINA-TI Circuit Design & Simulation

Support & Community


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Training & Events

Name Type Available During
Sensor Signal Conditioning and Interface for Medical Recorded Content   On Demand  
Intro to Motor Drives and the Motor Signal Chain Recorded Content   On Demand  
Technology Day Toronto In-Person   11 Nov 2013  
Technology Day Detroit In-Person   26 Sep 2013  
Technology Day Boston In-Person   19 Sep 2013  


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