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Product details

Parameters

Architecture Voltage FB Number of channels (#) 2 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.5 Total supply voltage (Max) (+5V=5, +/-5V=10) 5.5 GBW (Typ) (MHz) 120 BW @ Acl (MHz) 205 Acl, min spec gain (V/V) 1 Slew rate (Typ) (V/us) 560 Vn at flatband (Typ) (nV/rtHz) 4.6 Vn at 1 kHz (Typ) (nV/rtHz) 4.6 Iq per channel (Typ) (mA) 1 Vos (offset voltage @ 25 C) (Max) (mV) 0.4 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (C) -40 to 125 CMRR (Typ) (dB) 116 Input bias current (Max) (pA) 1000000 Offset drift (Typ) (uV/C) 1.1 Output current (Typ) (mA) 50 2nd harmonic (dBc) 85 3rd harmonic (dBc) 79 @ MHz 1 open-in-new Find other High-speed op amps (GBW>=50MHz)

Package | Pins | Size

SOIC (D) 8 19 mm² 4.9 x 3.9 UQFN (RMC) 10 4 mm² 2 x 2 VSSOP (DGS) 10 9 mm² 3 x 3 WQFN (RUN) 10 4 mm² 2 x 2 open-in-new Find other High-speed op amps (GBW>=50MHz)

Features

  • Low Power:
    • Supply Voltage: 2.5 V to 5.5 V
    • Quiescent Current: 1 mA (Typical)
    • Power Down Mode: 0.5 µA (Typical)
  • Bandwidth: 205 MHz
  • Slew Rate: 560 V/µs
  • Rise Time: 3 ns (2 VSTEP)
  • Settling Time (0.1%): 22 ns (2 VSTEP)
  • Overdrive Recovery Time: 60 ns
  • SNR: 0.00013% (–117.6 dBc) at 1 kHz (1 VRMS)
  • THD: 0.00003% (–130 dBc) at 1 kHz (1 VRMS)
  • HD2/HD3: –85 dBc/–105 dBc at 1 MHz (2 VPP)
  • Input Voltage Noise: 4.6 nV/√Hz (f = 100 kHz)
  • Input Offset Voltage: 65 µV (±400-µV Maximum)
  • CMRR: 116 dB
  • Output Current Drive: 50 mA
  • RRO: Rail-to-Rail Output
  • Input Voltage Range: –0.2 V to +3.9 V (5-V Supply)
  • Operating Temperature Range: –40°C to +125°C
open-in-new Find other High-speed op amps (GBW>=50MHz)

Description

The OPA836 and OPA2836 devices (OPAx836) are single- and dual-channel, ultra-low power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed to operate over a power-supply range of 2.5 V to 5.5 V with a single supply, or ±1.25 V to ±2.75 V with a dual supply. Consuming only 1 mA per channel and a unity-gain bandwidth of 205 MHz, these amplifiers set an industry-leading power-to-performance ratio for rail-to-rail amplifiers.

For battery-powered, portable applications where power is of key importance, the low-power consumption and high-frequency performance of the OPA836 and OPA2836 devices offer performance-versus-power capability that is not attainable in other devices. Coupled with a power-savings mode to reduce current to < 1.5 µA, these devices offer an attractive solution for high-frequency amplifiers in battery-powered applications.

The OPA836 RUN package option includes integrated gain-setting resistors for the smallest possible footprint on a printed-circuit board (approximately 2.00 mm × 2.00 mm). By adding circuit traces on the PCB, gains of +1, –1, –1.33, +2, +2.33, –3, +4, –4, +5, –5.33, +6.33, –7, +8 and inverting attenuations of –0.1429, –0.1875, –0.25, –0.33, –0.75 can be achieved. See and for details.

The OPA836 and OPA2836 devices are characterized for operation over the extended industrial temperature range of –40°C to +125°C.

open-in-new Find other High-speed op amps (GBW>=50MHz)
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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 11
Type Title Date
* Datasheet OPAx836 Very-Low-Power, Rail-to-Rail Out, Negative Rail In, Voltage-Feedback Operational Amplifiers datasheet (Rev. I) Oct. 31, 2016
Application notes Higher accuracy using an external amplifier in ultrasonic flow measurement Feb. 05, 2019
Technical articles How to reduce distortion in high-voltage, high-frequency signal generation for AWGs Oct. 30, 2018
Technical articles What are the advantages of using JFET-input amplifiers in high-speed applications? Jun. 18, 2018
Technical articles Unique active mux capability combines buffer and switch into one solution Oct. 10, 2017
White papers The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Technical articles How to minimize filter loss when you drive an ADC Oct. 20, 2016
Application notes OPA836 Low-Power Op Amp Applications Sep. 08, 2011
User guides OPA2835DGS, OPA2836DGS EVM Sep. 07, 2011
Application notes Designing for low distortion with high-speed op amps Mar. 02, 2005
Application notes Voltage Feedback vs. Current Feedback Op Amps Nov. 30, 1998

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
Description

The ADS794xEVM-PDK is designed to evaluate the ADS7945 and ADS7946 analog-to-digital converters. These converters are 14-bit dual-channel differential SAR converters with a maximum throughput rate of 2MSPS. The ADS7945 offers fully-differential input voltages while the ADS7946’s pseudo (...)

Features
  • 5V, 3.3V, or 1.8V logic compatible with 16-bit 40Mhz SPI Interface
  • Simple channel selection with a single 16-bit word command
  • Serial interface header for easy connection to TI DSP based communication systems
  • Compatible with the TI Modular EVM System
  • Voltage reference options: on-board REF5040 (4.096V (...)
EVALUATION BOARDS Download
document-generic User guide
149
Description

The OPA2835IDGSEVM is an evaluation module for the dual, OPA2835 in the DGS (10-lead VSSOP (MSOP)) package.

The OPA2835IDGSEVM is designed to quickly demonstrate the functionality and versatility of the amplifier(s). The EVM is ready to connect to power, signal source, and test instruments through (...)

Features
  • Configured for split supply operation and modified for single supply
  • Default non-inverting gain of 2 configuration can be reconfigured for other gains
  • Designed for connection to standard 50-Ω input/output impedance test equipment
  • Inputs and Outputs include SMA connectors
  • EVALUATION BOARDS Download
    document-generic User guide
    149
    Description

    The OPA2836IDGSEVM is an evaluation module for the dual, OPA2836 in the DGS (10-lead VSSOP (MSOP)) package.

    The OPA2836IDGSEVM is designed to quickly demonstrate the functionality and versatility of the amplifier(s). The EVM is ready to connect to power, signal source, and test instruments through (...)

    Features
  • Configured for split supply operation and modified for single supply
  • Default non-inverting gain of 2 configuration can be reconfigured for other gains
  • Designed for connection to standard 50-Ω input/output impedance test equipment
  • Inputs and Outputs include SMA connectors
  • Design tools & simulation

    SIMULATION MODELS Download
    SLOM240.ZIP (8 KB) - TINA-TI Spice Model
    SIMULATION MODELS Download
    SLOM242.ZIP (61 KB) - PSpice Model
    SIMULATION TOOLS 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
    • (...)
    SIMULATION TOOLS 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 TOOLS 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
    • (...)
    CALCULATION TOOLS Download
    Voltage Divider Determines A Set of Resistors for a Voltage Divider
    VOLT-DIVIDER-CALC VOLT-DIVIDER-CALC quickly determines a set of resistors for a voltage divider. This KnowledgeBase Javascript utility can be used to find a set of resistors for a voltage divider to achieve the desired output voltage. This calculator can also be used to design non-inverting attentuation circuits.

    (...)

    Reference designs

    REFERENCE DESIGNS Download
    High Dynamic-Range Headphone Driver Reference Design for Voltage-Output, Differential Audio DACs
    TIDA-00715 A low THD+N amplifier signal chain for driving headphones is presented. The design walks through various factors to consider in order to optimize performance based on customer needs.
    document-generic Schematic document-generic User guide

    CAD/CAE symbols

    Package Pins Download
    QFN (RUN) 10 View options
    SOIC (D) 8 View options
    UQFN (RMC) 10 View options
    VSSOP (DGS) 10 View options

    Ordering & quality

    Support & training

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