We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information.

Register or Sign In
Amplifier Circuits / Operational Amplifiers / OPA129UB
Datasheets
OPA129UB by:

Ultra-Low Bias Current Difet Operational Amplifier 8-SOIC -40 to 125

Part Details for OPA129UB by Texas Instruments

Results Overview of OPA129UB by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Education and Research Internet of Things (IoT) Computing and Data Storage Aerospace and Defense Healthcare Telecommunications Automotive

OPA129UB Information

OPA129UB by Texas Instruments is an Operational Amplifier.
Operational Amplifiers are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

Part Details for OPA129UB

OPA129UB CAD Models

  • Part Symbol

    Part Symbol

  • Footprint

    footprint

  • 3D Model

    3D Model

Available Download Formats

Sign in to download CAD models Register or Sign In

By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy

OPA129UB Part Data Attributes

Parametric Data
OPA129UB Texas Instruments
Buy Now Datasheet
Compare Parts:
OPA129UB Texas Instruments Ultra-Low Bias Current Difet Operational Amplifier 8-SOIC -40 to 125
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SOIC-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.33.00.01
Date Of Intro 1994-01-01
Samacsys Manufacturer Texas Instruments
Amplifier Type OPERATIONAL AMPLIFIER
Architecture VOLTAGE-FEEDBACK
Average Bias Current-Max (IIB) 1e-7 µA
Bias Current-Max (IIB) @25C 1e-7 µA
Common-mode Reject Ratio-Min 80 dB
Common-mode Reject Ratio-Nom 118 dB
Frequency Compensation YES
Input Offset Voltage-Max 2000 µV
JESD-30 Code R-PDSO-G8
JESD-609 Code e4
Length 4.9 mm
Low-Bias YES
Low-Offset NO
Micropower NO
Moisture Sensitivity Level 3
Neg Supply Voltage Limit-Max -18 V
Neg Supply Voltage-Nom (Vsup) -15 V
Number of Functions 1
Number of Terminals 8
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP8,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Power NO
Programmable Power NO
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Slew Rate-Min 1 V/us
Slew Rate-Nom 2.5 V/us
Supply Current-Max 1.8 mA
Supply Voltage Limit-Max 18 V
Supply Voltage-Nom (Vsup) 15 V
Surface Mount YES
Technology BIPOLAR
Temperature Grade AUTOMOTIVE
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Unity Gain BW-Nom 1000
Voltage Gain-Min 50000
Wideband NO
Width 3.9 mm

Alternate Parts for OPA129UB

This table gives cross-reference parts and alternative options found for OPA129UB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of OPA129UB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
OPA129UBE4 Texas Instruments Check for Price Ultra-Low Bias Current Difet Operational Amplifier 8-SOIC -40 to 125 OPA129UB vs OPA129UBE4
OPA129UB/2K5E4 Texas Instruments Check for Price OP-AMP, 2000uV OFFSET-MAX, 1MHz BAND WIDTH, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 OPA129UB vs OPA129UB/2K5E4
OPA129UB/2K5 Texas Instruments Check for Price Ultra-Low Bias Current Difet Operational Amplifier 8-SOIC -40 to 125 OPA129UB vs OPA129UB/2K5
OPA129UBG4 Texas Instruments Check for Price Ultra-Low Bias Current Difet Operational Amplifier 8-SOIC -40 to 125 OPA129UB vs OPA129UBG4
OPA129UB/2K5 Burr-Brown Corp Check for Price Operational Amplifier, 1 Func, 2000uV Offset-Max, BIPolar, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8 OPA129UB vs OPA129UB/2K5
OPA129PB Texas Instruments Check for Price Ultra-Low Bias Current Difet Operational Amplifier 8-PDIP OPA129UB vs OPA129PB

OPA129UB Related Parts

OPA129UB Frequently Asked Questions (FAQ)

  • The maximum power dissipation of the OPA129UB is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.

  • To ensure stability in a unity-gain configuration, it's recommended to add a capacitor (typically 10-100pF) between the output and the inverting input to compensate for the op-amp's internal capacitance and prevent oscillations.

  • For optimal performance, it's recommended to use a star-grounding technique, where the op-amp's ground pin is connected to a central ground point, and to keep the input and output traces as short as possible to minimize noise and interference.

  • Yes, the OPA129UB is suitable for buffering high-impedance sources due to its high input impedance (10^12 Ω) and low input bias current (±10pA). However, it's essential to ensure that the source impedance is within the op-amp's input range to maintain accuracy and stability.

  • To prevent electrostatic discharge (ESD) damage, it's recommended to use ESD-protective equipment, such as wrist straps and mats, when handling the OPA129UB. Additionally, ensure that the PCB design includes ESD protection diodes and resistors to prevent voltage surges.

Share by Email

Something went wrong!
Please enter a valid e-mail address
Email sent!
Recipient Email:
Add a recipient
Hello!

We are passing along some cool findings on Findchips sent to you from .

The data is for OPA129UB by Texas Instruments.
They’ve also added a data comparison to this page with by .

Click on the link below to check it out on Findchips.com.

Update Alert Settings for: OPA129UB by Texas Instruments

Select Manufacturer
Which Manufacturer of OPA129UB would you like to use for your alert(s)?
Inventory Alert
  • Please alert me when OPA129UB inventory levels are or equal to a quantity of from one of my selected distributors.
  • Also alert me for OPA129UB alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.
No pricing information is available at this time
Pricing Alert
  • Please alert me when the single part price for OPA129UB to
    $
    for at least parts from one of my selected distributors.
    Your Pricing Alert is set to expire on .
    Set this alert to expire in Update this alert to expire · Expired on
  • Also alert me for OPA129UB alternates
    An alert is already set for the following part(s): . Any existing alert will be overwritten and set as a new alert.

Your part alert has been saved!

Alerts are triggered based off of individual distributors that you choose. Select your distributor(s) below.

Your part alert has been saved!

Register
Password Guidelines

Is at least 8 characters in length

Must include at least 3 of the following:

One lower-case character (a-z)

One upper-case character (A-Z)

One numeric character (0-9)

One special character (!#$%^&*)

Alert is successfully saved for OPA129UB.
Looks like you've reached your alert limit!  Please delete some alerts or contact us if you need help.

Compare OPA129UB by Texas Instruments

Select a part to compare:
Part Number Manufacturer Description
No result found.
Something went wrong!
Or search for a different part: