Product details

Architecture Voltage FB Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 10 Total supply voltage (Max) (+5V=5, +/-5V=10) 12 GBW (Typ) (MHz) 1750 BW @ Acl (MHz) 500 Acl, min spec gain (V/V) 7 Slew rate (Typ) (V/us) 625 Vn at flatband (Typ) (nV/rtHz) 1.2 Vn at 1 kHz (Typ) (nV/rtHz) 1.2 Iq per channel (Typ) (mA) 12.6 Vos (offset voltage @ 25 C) (Max) (mV) 0.6 Rail-to-rail No Features Decompensated Rating Catalog Operating temperature range (C) -40 to 85 CMRR (Typ) (dB) 110 Input bias current (Max) (pA) 19000000 Offset drift (Typ) (uV/C) 1.5 Output current (Typ) (mA) 80 2nd harmonic (dBc) 76 3rd harmonic (dBc) 109 @ MHz 5
Architecture Voltage FB Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 10 Total supply voltage (Max) (+5V=5, +/-5V=10) 12 GBW (Typ) (MHz) 1750 BW @ Acl (MHz) 500 Acl, min spec gain (V/V) 7 Slew rate (Typ) (V/us) 625 Vn at flatband (Typ) (nV/rtHz) 1.2 Vn at 1 kHz (Typ) (nV/rtHz) 1.2 Iq per channel (Typ) (mA) 12.6 Vos (offset voltage @ 25 C) (Max) (mV) 0.6 Rail-to-rail No Features Decompensated Rating Catalog Operating temperature range (C) -40 to 85 CMRR (Typ) (dB) 110 Input bias current (Max) (pA) 19000000 Offset drift (Typ) (uV/C) 1.5 Output current (Typ) (mA) 80 2nd harmonic (dBc) 76 3rd harmonic (dBc) 109 @ MHz 5
SOIC (D) 8 19 mm² 3.91 x 4.9 SOT-23 (DBV) 5 5 mm² 2.9 x 1.6
  • HIGH BANDWIDTH: 400MHz (G = +10)
  • LOW INPUT VOLTAGE NOISE: 1.2nV/√Hz
  • VERY LOW DISTORTION: –100dBc (5MHz)
  • HIGH SLEW RATE: 625V/µs
  • HIGH DC ACCURACY: VIO ±150µV
  • LOW SUPPLY CURRENT: 12.6mA
  • HIGH GAIN BANDWIDTH PRODUCT: 1750MHz
  • STABLE FOR GAINS ≥ 7
  • APPLICATIONS
    • HIGH DYNAMIC RANGE ADC PREAMPS
    • LOW–NOISE, WIDEBAND, TRANSIMPEDANCE AMPLIFIERS
    • WIDEBAND, HIGH GAIN AMPLIFIERS
    • LOW–NOISE DIFFERENTIAL RECEIVERS
    • VDSL LINE RECEIVERS
    • ULTRASOUND CHANNEL AMPLIFIERS
    • SECURITY SENSOR FRONT ENDS
    • UPGRADE FOR THE OPA686, CLC425, AND LMH6624

All trademarks are the property of their respective owners.

  • HIGH BANDWIDTH: 400MHz (G = +10)
  • LOW INPUT VOLTAGE NOISE: 1.2nV/√Hz
  • VERY LOW DISTORTION: –100dBc (5MHz)
  • HIGH SLEW RATE: 625V/µs
  • HIGH DC ACCURACY: VIO ±150µV
  • LOW SUPPLY CURRENT: 12.6mA
  • HIGH GAIN BANDWIDTH PRODUCT: 1750MHz
  • STABLE FOR GAINS ≥ 7
  • APPLICATIONS
    • HIGH DYNAMIC RANGE ADC PREAMPS
    • LOW–NOISE, WIDEBAND, TRANSIMPEDANCE AMPLIFIERS
    • WIDEBAND, HIGH GAIN AMPLIFIERS
    • LOW–NOISE DIFFERENTIAL RECEIVERS
    • VDSL LINE RECEIVERS
    • ULTRASOUND CHANNEL AMPLIFIERS
    • SECURITY SENSOR FRONT ENDS
    • UPGRADE FOR THE OPA686, CLC425, AND LMH6624

All trademarks are the property of their respective owners.

The OPA846 combines very high gain bandwidth and large signal performance with very low input voltage noise, while dissipating a low 12.6mA supply current. The classical differential input stage, along with two stages of forward gain and a high power output stage, combine to make the OPA846 an exceptionally low distortion amplifier with excellent DC accuracy and output drive. The voltage-feedback architecture allows all standard op amp applications to be implemented with very high performance.

The combination of low input voltage and current noise, along with a 1.75GHz gain bandwidth product, make the OPA846 an ideal amplifier for wideband transimpedance stages. As a voltage gain stage, the OPA846 is optimized for a flat response at a gain of +10 and is stable down to a gain of +7.

A new external compensation technique can be used to give a very flat frequency response below the minimum stable gain for the OPA846, further improving its already exceptional distortion performance. Using this compensation makes the OPA846 one of the premier 12– to 16–bit Analog–to–Digital (A/D) converter input drivers. The supply current for the OPA846 is precisely trimmed to 12.6mA at +25°C. This, along with carefully defined supply current tempco in the input and output stages, combine to provide exceptional performance over the full specified temperature range.

The OPA846 combines very high gain bandwidth and large signal performance with very low input voltage noise, while dissipating a low 12.6mA supply current. The classical differential input stage, along with two stages of forward gain and a high power output stage, combine to make the OPA846 an exceptionally low distortion amplifier with excellent DC accuracy and output drive. The voltage-feedback architecture allows all standard op amp applications to be implemented with very high performance.

The combination of low input voltage and current noise, along with a 1.75GHz gain bandwidth product, make the OPA846 an ideal amplifier for wideband transimpedance stages. As a voltage gain stage, the OPA846 is optimized for a flat response at a gain of +10 and is stable down to a gain of +7.

A new external compensation technique can be used to give a very flat frequency response below the minimum stable gain for the OPA846, further improving its already exceptional distortion performance. Using this compensation makes the OPA846 one of the premier 12– to 16–bit Analog–to–Digital (A/D) converter input drivers. The supply current for the OPA846 is precisely trimmed to 12.6mA at +25°C. This, along with carefully defined supply current tempco in the input and output stages, combine to provide exceptional performance over the full specified temperature range.

Download

Technical documentation

star = Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 18
Type Title Date
* Data sheet Wideband, Low Noise, Voltage-Feedback Operational Amplifier datasheet (Rev. E) 30 Dec 2008
Technical article How to reduce distortion in high-voltage, high-frequency signal generation for AWGs 30 Oct 2018
Technical article What are the advantages of using JFET-input amplifiers in high-speed applications? 19 Jun 2018
Technical article Unique active mux capability combines buffer and switch into one solution 10 Oct 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Technical article How to minimize filter loss when you drive an ADC 20 Oct 2016
User guide DEM-OPA-SO-1A User's Guide (Rev. B) 12 Apr 2012
User guide DEM-OPA-SO-1B User's Guide (Rev. D) 12 Apr 2012
User guide DEM-OPA-SOT-1A User's Guide (Rev. B) 12 Apr 2012
User guide DEM-OPA-SO-1B User's Guide (Rev. C) 22 Apr 2011
Application note Transimpedance Considerations for High-Speed Operational Amplifiers 22 Nov 2009
User guide DEM-OPA-SOT-1B User's Guide (Rev. B) 12 Apr 2006
User guide DEM-OPA-SOT-1A User's Guide (Rev. A) 22 Mar 2006
User guide DEM-OPA-SO-1A User's Guide (Rev. A) 16 Mar 2006
Analog design journal Using a decompensated op amp for improved performance 11 Mar 2005
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005
Application note ADS5500, OPA695: PC Board Layout for Low Distortion High-Speed ADC Drivers 22 Apr 2004
Application note Measuring Board Parasitics in High-Speed Analog Design 07 Jul 2003

Design & development

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

Evaluation board

DEM-OPA-SO-1B — Single op-amp evaluation module for SO-8 (non-inverting) package

The DEM-OPA-SO-1B demonstration fixture in the non-inverting configuration helps designers evaluate the operation and performance of TI's single high speed, wideband operational amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead SOIC (D) package.

For more (...)

In stock
Limit: 1
Evaluation board

DEM-OPA-SOT-1B — Single op amp evaluation module for SOT23-5/6 (non-inverting) package

The DEM-OPA-SOT-1B demonstration fixture in the non-inverting configuration helps designers evaluate the operation and performance of TI's single high speed, wideband operational amplifiers. This unpopulated PC board is compatible with products offered in the SOT23 (DBV) package.

In stock
Limit: 1
Simulation model

OPA846 PSpice Model (Rev. C)

SBOC005C.ZIP (40 KB) - PSpice Model
Simulation model

OPA846 TINA-TI Reference Design (Rev. B)

SBOC097B.TSC (98 KB) - TINA-TI Reference Design
Simulation model

OPA846 TINA-TI Spice Model (Rev. A)

SBOM179A.ZIP (4 KB) - TINA-TI Spice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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 (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

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 (...)
Calculation tool

ANALOG-ENGINEER-CALC — 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 op-amp gain with feedback (...)
Calculation tool

VOLT-DIVIDER-CALC — Voltage Divider Determines A Set of Resistors for a Voltage Divider

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.

(...)

Not available
Package Pins Download
SOIC (D) 8 View options
SOT-23 (DBV) 5 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos