Product details

Architecture FET / CMOS Input, Voltage FB Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 7 Total supply voltage (Max) (+5V=5, +/-5V=10) 13 GBW (Typ) (MHz) 650 BW @ Acl (MHz) 650 Acl, min spec gain (V/V) 2 Slew rate (Typ) (V/us) 2550 Vn at flatband (Typ) (nV/rtHz) 8.9 Vn at 1 kHz (Typ) (nV/rtHz) 8.9 Iq per channel (Typ) (mA) 30.5 Vos (offset voltage @ 25 C) (Max) (mV) 5 Rail-to-rail No Rating Catalog Operating temperature range (C) -40 to 85 CMRR (Typ) (dB) 70 Input bias current (Max) (pA) 50 Offset drift (Typ) (uV/C) 10 Output current (Typ) (mA) 70 2nd harmonic (dBc) 79 3rd harmonic (dBc) 100 @ MHz 10
Architecture FET / CMOS Input, Voltage FB Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 7 Total supply voltage (Max) (+5V=5, +/-5V=10) 13 GBW (Typ) (MHz) 650 BW @ Acl (MHz) 650 Acl, min spec gain (V/V) 2 Slew rate (Typ) (V/us) 2550 Vn at flatband (Typ) (nV/rtHz) 8.9 Vn at 1 kHz (Typ) (nV/rtHz) 8.9 Iq per channel (Typ) (mA) 30.5 Vos (offset voltage @ 25 C) (Max) (mV) 5 Rail-to-rail No Rating Catalog Operating temperature range (C) -40 to 85 CMRR (Typ) (dB) 70 Input bias current (Max) (pA) 50 Offset drift (Typ) (uV/C) 10 Output current (Typ) (mA) 70 2nd harmonic (dBc) 79 3rd harmonic (dBc) 100 @ MHz 10
SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 VSON (DRB) 8 9 mm² 3.0 x 3.0
  • High Bandwidth: 650 MHz (G = 1 V/V)
  • High Slew Rate: 2550 V/µs (4-V Step)
  • Excellent THD: –78 dBc at 10 MHz
  • Low Input Voltage Noise: 8.9 nV/√Hz
  • Fast Overdrive Recovery: 8 ns
  • Fast Settling time (1% 4-V Step): 8 ns
  • Low Input Offset Voltage: ±1 mV
  • Low Input Bias Current: ±10 pA
  • High Output Current: 70 mA
  • High Bandwidth: 650 MHz (G = 1 V/V)
  • High Slew Rate: 2550 V/µs (4-V Step)
  • Excellent THD: –78 dBc at 10 MHz
  • Low Input Voltage Noise: 8.9 nV/√Hz
  • Fast Overdrive Recovery: 8 ns
  • Fast Settling time (1% 4-V Step): 8 ns
  • Low Input Offset Voltage: ±1 mV
  • Low Input Bias Current: ±10 pA
  • High Output Current: 70 mA

The OPA659 combines a very wideband, unity-gain stable, voltage-feedback operational amplifier with a JFET-input stage to offer an ultra-high dynamic range amplifier for high impedance buffering in data acquisition applications such as oscilloscope front-end amplifiers and machine vision applications such as photodiode transimpedance amplifiers used in wafer inspection.

The wide 650-MHz unity-gain bandwidth is complemented by a very high 2550-V/µs slew rate.

The high input impedance and low bias current provided by the JFET input are supported by the low 8.9-nV/&radic:Hz input voltage noise to achieve a very low integrated noise in wideband photodiode transimpedance applications.

Broad transimpedance bandwidths are possible with the high 350-MHz gain bandwidth product of this device.

Where lower speed with lower quiescent current is required, consider the OPA656. Where unity-gain stability is not required, consider the OPA657.

The OPA659 combines a very wideband, unity-gain stable, voltage-feedback operational amplifier with a JFET-input stage to offer an ultra-high dynamic range amplifier for high impedance buffering in data acquisition applications such as oscilloscope front-end amplifiers and machine vision applications such as photodiode transimpedance amplifiers used in wafer inspection.

The wide 650-MHz unity-gain bandwidth is complemented by a very high 2550-V/µs slew rate.

The high input impedance and low bias current provided by the JFET input are supported by the low 8.9-nV/&radic:Hz input voltage noise to achieve a very low integrated noise in wideband photodiode transimpedance applications.

Broad transimpedance bandwidths are possible with the high 350-MHz gain bandwidth product of this device.

Where lower speed with lower quiescent current is required, consider the OPA656. Where unity-gain stability is not required, consider the OPA657.

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Technical documentation

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Type Title Date
* Data sheet OPA659 Wideband, Unity-Gain Stable, JFET-Input Operational Amplifier datasheet (Rev. C) 23 Nov 2015
Technical article 3 common questions when designing with high-speed amplifiers 17 Jul 2020
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
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005

Design & development

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

Evaluation board

OPA659EVM — OPA659 evaluation module

The OPA659EVM is an evaluation module for the DBR (8-lead VSON) package.

The OPA659EVM is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test instruments through the use of on-board connectors.

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Simulation model

OPA659 TINA-TI Reference Design (Rev. C)

SBOM347C.TSC (122 KB) - TINA-TI Reference Design
Simulation model

OPA659 TINA-TI Spice Model (Rev. B)

SBOM348B.ZIP (4 KB) - TINA-TI Spice Model
Simulation model

OPA659 PSpice Model (Rev. C)

SBOM349C.ZIP (35 KB) - PSpice 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.

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Package Pins Download
SON (DRB) 8 View options
SOT-23 (DBV) 5 View options

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