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OPA2704

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Dual 12V, 3MHz, CMOS, rail-to-rail I/O, operational amplifier

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Dual 12V, 3MHz, CMOS, rail-to-rail I/O, operational amplifier

OPA2704

ACTIVE
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Product details

Parameters

Number of channels (#) 2 Total supply voltage (Max) (+5V=5, +/-5V=10) 12 Total supply voltage (Min) (+5V=5, +/-5V=10) 4 Rail-to-rail In, Out GBW (Typ) (MHz) 3 Slew rate (Typ) (V/us) 3 Vos (offset voltage @ 25 C) (Max) (mV) 0.75 Iq per channel (Typ) (mA) 0.16 Vn at 1 kHz (Typ) (nV/rtHz) 45 Rating Catalog Operating temperature range (C) -40 to 85 Offset drift (Typ) (uV/C) 4 Features Decompensated Input bias current (Max) (pA) 10 CMRR (Typ) (dB) 90 Output current (Typ) (mA) 40 Architecture CMOS open-in-new Find other General-purpose op amps

Package | Pins | Size

SOIC (D) 8 19 mm² 3.91 x 4.9 VSSOP (DGK) 8 15 mm² 3 x 4.9 open-in-new Find other General-purpose op amps

Features

  • RAIL-TO-RAIL INPUT AND OUTPUT
  • WIDE SUPPLY RANGE:
    Single Supply: 4V to 12V
    Dual Supplies: ±2 to ±6
  • LOW QUIESCENT CURRENT: 160uA
  • FULL-SCALE CMRR: 90dB
  • LOW OFFSET: 160uV
  • HIGH SPEED:
    OPA703: 1MHz, 0.6V/us
    OPA704: 3MHz, 3V/us
  • MicroSIZE PACKAGES:
    SOT23-5, MSOP-8, TSSOP-14
  • LOW INPUT BIAS CURRENT: 1pA
  • APPLICATIONS
    • AUTOMOTIVE APPLICATIONS:
      Audio, Sensor Applications, Security Systems
    • PORTABLE EQUIPMENT
    • ACTIVE FILTERS
    • TRANSDUCER AMPLIFIER
    • TEST EQUIPMENT
    • DATA ACQUISITION
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Description

The OPA703 and OPA704 series op amps are optimized for applications requiring rail-to-rail input and output swing. Single, dual, and quad versions are offered in a variety of packages. While the quiescent current is less than 200uA per amplifier, the OPA703 still offers excellent dynamic performance (1MHz GBW and 0.6V/us SR) and unity-gain stability. The OPA704 is optimized for gains of 5 or greater and provides 3MHz GBW and 3V/us slew rate.

The OPA703 and OPA704 series are fully specified and guaranteed over the supply range of ±2V to ±6V. Input swing extends 300mV beyond the rail and the output swings to within 40mV of the rail.

The single versions (OPA703 and OPA704) are available in the MicroSIZE SOT23-5 and in the standard SO-8 surface-mount, as well as the DIP-8 packages. Dual versions (OPA2703 and OPA2704) are available in the MSOP-8, SO-8, and DIP-8 packages. The quad OPA4703 and OPA4704 are available in the TSSOP-14 and SO-14 packages. All are specified for operation from \x9640°C to +85°C.

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Exact equivalent in functionality and parametrics to the compared device:
OPA2991 ACTIVE 40-V, dual 4.5MHz, rail-to-rail input/output, low-offset-voltage, low-noise op amp Pin-to-pin upgrade with improved performance: lower Vos(0.75mV) and noise(10nV/√Hz), higher slew rate(21V/us) and output current(75mA)

Technical documentation

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Type Title Date
* Datasheet OPA703, 2703, 4703, 704, 2704, 4704: CMOS, Rail-to-Rail, I/O Op Amp datasheet (Rev. A) Feb. 08, 2001
Technical article What is an op amp? Jan. 21, 2020
Technical article How to lay out a PCB for high-performance, low-side current-sensing designs Feb. 06, 2018
Technical article Low-side current sensing for high-performance cost-sensitive applications Jan. 22, 2018
Technical article Voltage and current sensing in HEV/EV applications Nov. 22, 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Application note OPA703, OPA2703, OPA4703, OPA704, OPA2704, OPA4704 EMI Immunity Performance (Rev. A) Nov. 02, 2012

Design & development

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

Hardware development

EVALUATION BOARD Download
document-generic User guide
10
Description

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

Features
  • Simplifies prototyping of SMT IC’s
  • Supports 6 common package types
  • Low Cost
View details
EVALUATION BOARD Download
document-generic User guide
20
Description
The DUAL-DIYAMP-EVM is a unique evaluation module (EVM) family that provides engineers and do it yourselfers (DIYers) with real-world amplifier circuits, enabling you to quickly evaluate design concepts and verify simulations. It is designed specifically for dual package op amps in the (...)
Features
  • 10 circuit configurations to choose from: Non-Inverting, Inverting, Active Filters, Difference Amplifier with Reference Buffer, and more!
  • Multiple interface options: SMA, Header, Breadboard, Wire
  • Designed for 0805 size components; 0603 size friendly
  • Circuit schematic provided in silkscreen on the back (...)
View details

Design tools & simulation

SIMULATION MODEL Download
SBOM703.ZIP (56 KB) - PSpice Model
SIMULATION MODEL Download
SBOM704.TSC (102 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBOM705.ZIP (5 KB) - TINA-TI Spice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
View details
SIMULATION TOOL Download
SPICE-based analog simulation program
TINA-TI — TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide
CALCULATION TOOL Download
Analog engineer's calculator
ANALOG-ENGINEER-CALC — 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 op-amp gain with feedback (...)
Features
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)
View details

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

Ordering & quality

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  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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