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High-speed op amps (GBW ≥ 50 MHz)

OPA695

ACTIVE

Ultra-Wideband, Current-Feedback Operational Amplifier with Disable

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Data sheet

OPA695

ACTIVE
Data sheet Order now

Product details

Architecture Current FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 1700 BW at Acl (MHz) 1700 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 4300 Vn at flatband (typ) (nV√Hz) 1.8 Vn at 1 kHz (typ) (nV√Hz) 1.8 Iq per channel (typ) (mA) 12.9 Vos (offset voltage at 25°C) (max) (mV) 3 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 56 Input bias current (max) (pA) 30000000 Offset drift (typ) (µV/°C) 15 Iout (typ) (mA) 120 2nd harmonic (dBc) 65 3rd harmonic (dBc) 86 Frequency of harmonic distortion measurement (MHz) 10
Architecture Current FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 1700 BW at Acl (MHz) 1700 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 4300 Vn at flatband (typ) (nV√Hz) 1.8 Vn at 1 kHz (typ) (nV√Hz) 1.8 Iq per channel (typ) (mA) 12.9 Vos (offset voltage at 25°C) (max) (mV) 3 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 56 Input bias current (max) (pA) 30000000 Offset drift (typ) (µV/°C) 15 Iout (typ) (mA) 120 2nd harmonic (dBc) 65 3rd harmonic (dBc) 86 Frequency of harmonic distortion measurement (MHz) 10
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8 VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Gain = +2 Bandwidth (1400 MHz)
  • Gain = +8 Bandwidth (450 MHz)
  • Output Voltage Swing: ±4.2 V
  • Ultra-High Slew Rate: 4300 V/μs
  • 3RD-Order Intercept: > 40 dBm (f < 50 MHz)
  • Low Power: 129 mW
  • Low Disabled Power: 0.5 mW
  • Packages: SOIC-8, VSSOP-8, SOT23-6
  • Gain = +2 Bandwidth (1400 MHz)
  • Gain = +8 Bandwidth (450 MHz)
  • Output Voltage Swing: ±4.2 V
  • Ultra-High Slew Rate: 4300 V/μs
  • 3RD-Order Intercept: > 40 dBm (f < 50 MHz)
  • Low Power: 129 mW
  • Low Disabled Power: 0.5 mW
  • Packages: SOIC-8, VSSOP-8, SOT23-6

The OPA695 is a high bandwidth, current-feedback operational amplifier that combines an exceptional 4300-V/µs slew rate and a low input voltage noise to deliver a precision, low-cost, high dynamic range intermediate frequency (IF) amplifier. Optimized for high gain operation, the OPA695 is ideally suited to buffering surface acoustic wave (SAW) filters in an IF strip, or delivering high output power at low distortion for cable-modem upstream line drivers. At lower gains, a higher bandwidth of 1400 MHz is achievable, making the OPA695 an excellent video line driver for supporting high-resolution RGB applications.

The OPA695 low 12.9-mA supply current is precisely trimmed at +25°C. This trim, along with a low temperature drift, gives low system power over temperature. System power may be further reduced using the optional disable control pin. Leaving this pin open, or holding it HIGH, gives normal operation. If pulled LOW, the OPA695 supply current drops to less than 170 µA. This power-saving feature, along with exceptional single +5-V operation and ultra-small SOT23-6 packaging, make the OPA695 ideal for portable applications.

The OPA695 is a high bandwidth, current-feedback operational amplifier that combines an exceptional 4300-V/µs slew rate and a low input voltage noise to deliver a precision, low-cost, high dynamic range intermediate frequency (IF) amplifier. Optimized for high gain operation, the OPA695 is ideally suited to buffering surface acoustic wave (SAW) filters in an IF strip, or delivering high output power at low distortion for cable-modem upstream line drivers. At lower gains, a higher bandwidth of 1400 MHz is achievable, making the OPA695 an excellent video line driver for supporting high-resolution RGB applications.

The OPA695 low 12.9-mA supply current is precisely trimmed at +25°C. This trim, along with a low temperature drift, gives low system power over temperature. System power may be further reduced using the optional disable control pin. Leaving this pin open, or holding it HIGH, gives normal operation. If pulled LOW, the OPA695 supply current drops to less than 170 µA. This power-saving feature, along with exceptional single +5-V operation and ultra-small SOT23-6 packaging, make the OPA695 ideal for portable applications.
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Technical documentation

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Type Title Date
* Data sheet OPA695 Ultra-Wideband, Current-Feedback Operational Amplifier With Disable datasheet (Rev. H) PDF | HTML 31 Dec 2015
Technical article 3 common questions when designing with high-speed amplifiers 17 Jul 2020
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note Design for a Wideband Differential Transimpedance DAC Output (Rev. A) 17 Oct 2016
EVM User's guide TSW3070EVM: Amplifier Interface to Current Sink DAC - (Rev. A) 23 May 2016
Application note Wideband Complementary Current Output DAC Single-Ended Interface (Rev. A) 08 May 2015
Design guide Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End 03 Sep 2013
Technical article How to determine if a CFA or a VFA is better for your design 26 Jun 2013
Technical article Cable equalization 101 – Automating your design (Part 1) 21 May 2013
Technical article High-gain, high-bandwidth… how can I get it all? 25 Jan 2013
User guide DEM-OPA-SO-1B User's Guide (Rev. D) 12 Apr 2012
User guide DEM-OPA-SO-1B User's Guide (Rev. C) 22 Apr 2011
Application note Wireline Data Transmission and Reception 27 Jan 2010
Application note Design for a Wideband Differential Transimpedance DAC Output 18 Apr 2008
User guide DEM-OPA-SOT-1B User's Guide (Rev. B) 12 Apr 2006
Analog Design Journal Low-power, high-intercept interface to the ADS5424, 105-MSPS converter 10 Oct 2005
Analog Design Journal Designing for low distortion with high-speed op amps 02 Mar 2005
Analog Design Journal Expanding the usability of current-feedback amplifiers 28 Feb 2005
Analog Design Journal Active filters using current-feedback amplifiers 25 Feb 2005
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005
Application note Stabilizing Current-Feedback Op Amps While Optimizing Circuit Performance 28 Apr 2004
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
Application note Voltage Feedback vs. Current Feedback Op Amps 30 Nov 1998

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 (...)

User guide: PDF
Not available on TI.com
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.

User guide: PDF
Not available on TI.com
Simulation model

OPA695 ADS2009 Spice Model

SBOJ015.ZIP (33 KB) - Spice Model
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Simulation model

OPA695 PSpice Model (Rev. D)

SBOC036D.ZIP (30 KB) - PSpice Model
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Simulation model

OPAy695 TINA-TI Reference Design

SBOM386.TSC (55 KB) - TINA-TI Reference Design
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Simulation model

OPAy695 TINA-TI Spice Model

SBOM387.TSM (8 KB) - TINA-TI Spice Model
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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 operational-amplifier (...)
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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.

(...)

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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 (...)
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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 (...)
User guide: PDF
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Reference designs

TIDA-01187 — LIDAR-Pulsed Time-of-Flight Reference Design Using High-Speed Data Converters

Time-of-flight (ToF) optical methods for measuring distance with high precision are utilized in a variety of applications, such as laser safety scanners, range finders, drones, and guidance systems. This design details the advantages of a high-speed data-converter-based solution, including target (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-00075 — Wide-Bandwidth and High-Voltage Arbitrary Waveform Generator Front End

This design shows how to use an active interface with the current sink output of the DAC5682Z - typical applications for this include front ends for arbitrary waveform generators. The EVM includes the DAC5682Z for digital-to-analog conversion, an OPA695 to demonstrate an active interface (...)
Design guide: PDF
Schematic: PDF
Package Pins Download
SOIC (D) 8 View options
SOT-23 (DBV) 6 View options
VSSOP (DGK) 8 View options
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