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Precision op amps (Vos<1mV)

OPA369

ACTIVE

Single, 1.8-V, 700-nA, zero-crossover rail-to-rail I/O operational amplifier

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Data sheet

OPA369

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Vos (offset voltage at 25°C) (max) (mV) 0.75 Offset drift (typ) (µV/°C) 0.4 Input bias current (max) (pA) 50 GBW (typ) (MHz) 0.012 Features EMI Hardened, Zero Crossover Slew rate (typ) (V/µs) 0.005 Rail-to-rail In, Out Iq per channel (typ) (mA) 0.0008 Vn at 1 kHz (typ) (nV√Hz) 290 CMRR (typ) (dB) 114 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.01 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 0.01 Output swing headroom (to positive supply) (typ) (V) -0.01
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Vos (offset voltage at 25°C) (max) (mV) 0.75 Offset drift (typ) (µV/°C) 0.4 Input bias current (max) (pA) 50 GBW (typ) (MHz) 0.012 Features EMI Hardened, Zero Crossover Slew rate (typ) (V/µs) 0.005 Rail-to-rail In, Out Iq per channel (typ) (mA) 0.0008 Vn at 1 kHz (typ) (nV√Hz) 290 CMRR (typ) (dB) 114 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.01 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 0.01 Output swing headroom (to positive supply) (typ) (V) -0.01
SOT-SC70 (DCK) 5 4.2 mm² (2 mm × 2.1 mm)
  • nanoPOWER:
    • OPA369: 800nA
    • OPA2369: 700nA/ch.
  • LOW OFFSET VOLTAGE: 250µV
    • ZERO-CROSSOVER
  • LOW OFFSET DRIFT: 0.4µV/°C
  • DC PRECISION:
    • CMRR: 114dB
    • PSRR:106dB
    • AOL: 134dB
  • GAIN-BANDWIDTH PRODUCT: 12kHz
  • SUPPLY VOLTAGE: 1.8V to 5.5V
  • microSIZE PACKAGES:
    • SC70-5, SOT23-5, MSOP-8
  • APPLICATIONS
    • BATTERY-POWERED INSTRUMENTS
    • PORTABLE DEVICES
    • MEDICAL INSTRUMENTS
    • TEST EQUIPMENT
    • LOW-POWER SENSOR SIGNAL CONDITIONING
  • nanoPOWER:
    • OPA369: 800nA
    • OPA2369: 700nA/ch.
  • LOW OFFSET VOLTAGE: 250µV
    • ZERO-CROSSOVER
  • LOW OFFSET DRIFT: 0.4µV/°C
  • DC PRECISION:
    • CMRR: 114dB
    • PSRR:106dB
    • AOL: 134dB
  • GAIN-BANDWIDTH PRODUCT: 12kHz
  • SUPPLY VOLTAGE: 1.8V to 5.5V
  • microSIZE PACKAGES:
    • SC70-5, SOT23-5, MSOP-8
  • APPLICATIONS
    • BATTERY-POWERED INSTRUMENTS
    • PORTABLE DEVICES
    • MEDICAL INSTRUMENTS
    • TEST EQUIPMENT
    • LOW-POWER SENSOR SIGNAL CONDITIONING

The OPA369 and OPA2369 are ultra-low-power, low-voltage operational amplifiers from Texas Instruments designed especially for battery-powered applications.

The OPAx369 operates on a supply voltage as low as 1.8V and has true rail-to-rail operation that makes it useful for a wide range of applications. The zerø-crossover feature resolves the problem of input crossover distortion that becomes very prominent in low voltage (< 3V), rail-to-rail input applications.

In addition to microsize packages and very low quiescent current, the OPAx369 features 12kHz bandwidth, low offset drift (1.75µV/°C, max), and low noise 3.6µVPP (0.1Hz to 10Hz).

The OPA369 (single version) is offered in an SC70-5 package. The OPA2369 (dual version) comes in both MSOP-8 and SOT23-8 packages.

The OPA369 and OPA2369 are ultra-low-power, low-voltage operational amplifiers from Texas Instruments designed especially for battery-powered applications.

The OPAx369 operates on a supply voltage as low as 1.8V and has true rail-to-rail operation that makes it useful for a wide range of applications. The zerø-crossover feature resolves the problem of input crossover distortion that becomes very prominent in low voltage (< 3V), rail-to-rail input applications.

In addition to microsize packages and very low quiescent current, the OPAx369 features 12kHz bandwidth, low offset drift (1.75µV/°C, max), and low noise 3.6µVPP (0.1Hz to 10Hz).

The OPA369 (single version) is offered in an SC70-5 package. The OPA2369 (dual version) comes in both MSOP-8 and SOT23-8 packages.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet 1.8V, 700nA, Zerø-Crossover RAIL-TO-RAIL I/O OPERATIONAL AMPLIFIER datasheet (Rev. B) Dec 5, 2008
Application brief Zero-crossover Amplifiers: Features and Benefits (Rev. B) PDF | HTML Nov 8, 2023
Application brief Simplifying Environmental Measurements in Power Conscious Factory and Building A (Rev. A) Jan 9, 2018
Application note Advantages of using Nanopower Zero Drift Amp for Mobile Phone Battery Voltage Mo (Rev. A) Dec 21, 2017
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E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML Mar 28, 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

OPA369 TINA-TI Reference Design (Rev. B)

SBOC260B.TSC (124 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

OPA369 TINA-TI Spice Model (Rev. A)

SBOM308A.ZIP (6 KB) - TINA-TI Spice model
Supported products & hardware
Simulation model

OPA369 PSpice Model (Rev. B)

SBOM350B.ZIP (22 KB) - PSpice model
Supported products & hardware
Calculation tool

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

Supported products & hardware
Calculation tool

OPAMP-NOISECALC — Noise Calculator

This folder contains three tools to help in understandning and managing noise in cicuits. The included tools are:

  • A noise generator tool - This is a Lab View 4-Run Time executable that generates Gaussian white noise, uniform white noise, 1/f noise, short noise, and 60Hz line noise. Temporal data, (...)
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
SOT-SC70 (DCK) 5 Ultra Librarian
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