OPA2677

ACTIVE

SpeedPlus™ Dual, Wideband, High Output Current Operational Amplifier and DSL/PLC Line Driver

Product details

Architecture Current FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12.6 GBW (typ) (MHz) 220 BW at Acl (MHz) 220 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 2000 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 18 Vos (offset voltage at 25°C) (max) (mV) 4.5 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 55 Input bias current (max) (pA) 35000000 Offset drift (typ) (µV/°C) 4 Iout (typ) (mA) 500 2nd harmonic (dBc) 72 3rd harmonic (dBc) 81 Frequency of harmonic distortion measurement (MHz) 5
Architecture Current FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12.6 GBW (typ) (MHz) 220 BW at Acl (MHz) 220 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 2000 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 18 Vos (offset voltage at 25°C) (max) (mV) 4.5 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 55 Input bias current (max) (pA) 35000000 Offset drift (typ) (µV/°C) 4 Iout (typ) (mA) 500 2nd harmonic (dBc) 72 3rd harmonic (dBc) 81 Frequency of harmonic distortion measurement (MHz) 5
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 SOIC (D) 8 29.4 mm² 4.9 x 6 VQFN (RGV) 16 16 mm² 4 x 4
  • WIDEBAND +12V OPERATION: 200MHz (G = +4)
  • UNITY-GAIN STABLE: 220MHz (G = +1)
  • HIGH OUTPUT CURRENT: 500mA
  • OUTPUT VOLTAGE SWING: ±5V
  • HIGH SLEW RATE: 1800V/µs
  • LOW SUPPLY CURRENT: 18mA
  • FLEXIBLE SUPPLY RANGE:
    • +5 to +12V Single Supply
    • ±2.5 to ±6V Dual Supplies
  • APPLCATIONS
    • xDSL LINE DRIVER
    • CABLE MODEM DRIVER
    • MATCHED I/Q CHANNEL AMPLIFIER
    • BROADBAND VIDEO LINE DRIVER
    • ARB LINE DRIVER
    • POWER LINE MODEM
    • HIGH CAP LOAD DRIVER

All trademarks are the property of their respective owners.

  • WIDEBAND +12V OPERATION: 200MHz (G = +4)
  • UNITY-GAIN STABLE: 220MHz (G = +1)
  • HIGH OUTPUT CURRENT: 500mA
  • OUTPUT VOLTAGE SWING: ±5V
  • HIGH SLEW RATE: 1800V/µs
  • LOW SUPPLY CURRENT: 18mA
  • FLEXIBLE SUPPLY RANGE:
    • +5 to +12V Single Supply
    • ±2.5 to ±6V Dual Supplies
  • APPLCATIONS
    • xDSL LINE DRIVER
    • CABLE MODEM DRIVER
    • MATCHED I/Q CHANNEL AMPLIFIER
    • BROADBAND VIDEO LINE DRIVER
    • ARB LINE DRIVER
    • POWER LINE MODEM
    • HIGH CAP LOAD DRIVER

All trademarks are the property of their respective owners.

The OPA2677 provides the high output current and low distortion required in emerging xDSL and Power Line Modem driver applications. Operating on a single +12V supply, the OPA2677 consumes a low 9mA/ch quiescent current to deliver a very high 500mA output current. This output current supports even the most demanding ADSL CPE requirements with > 380mA minimum output current (+25°C minimum value) with low harmonic distortion. Differential driver applications will deliver < –85dBc distortion at the peak upstream power levels of full rate ADSL. The high 200MHz bandwidth will also support the most demanding VDSL line driver requirements.

Specified on ±6V supplies (to support +12V operation), the OPA2677 will also support a single +5V or dual ±5V supply. Video applications will benefit from its very high output current to drive up to 10 parallel video loads (15Ω) with < 0.1%/0.1° dG/dP nonlinearity.

The OPA2677 is available in either an SO-8 or QFN-16 and an HSOP-8 PowerPAD™ package.

The OPA2677 provides the high output current and low distortion required in emerging xDSL and Power Line Modem driver applications. Operating on a single +12V supply, the OPA2677 consumes a low 9mA/ch quiescent current to deliver a very high 500mA output current. This output current supports even the most demanding ADSL CPE requirements with > 380mA minimum output current (+25°C minimum value) with low harmonic distortion. Differential driver applications will deliver < –85dBc distortion at the peak upstream power levels of full rate ADSL. The high 200MHz bandwidth will also support the most demanding VDSL line driver requirements.

Specified on ±6V supplies (to support +12V operation), the OPA2677 will also support a single +5V or dual ±5V supply. Video applications will benefit from its very high output current to drive up to 10 parallel video loads (15Ω) with < 0.1%/0.1° dG/dP nonlinearity.

The OPA2677 is available in either an SO-8 or QFN-16 and an HSOP-8 PowerPAD™ package.

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Technical documentation

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Type Title Date
* Data sheet Dual, Wideband, High Output Current Operational Amplifier datasheet (Rev. I) 02 Jul 2008
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
User guide DEM-OPA-SO-2A User's Guide (Rev. B) 30 Apr 2010
Application note Wireline Data Transmission and Reception 27 Jan 2010
User guide DEM-OPA-MSOP-2A User's Guide (Rev. A) 25 May 2006
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 Measuring Board Parasitics in High-Speed Analog Design 07 Jul 2003
Application note Current Feedback Amplifiers: Review, Stability Analysis, and Applications 20 Nov 2000

Design & development

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

Evaluation board

DEM-OPA-SO-2A — Dual op amp evaluation module for SO-8 package

 The DEM-OPA-SO-2A demonstration fixture helps designers evaluate the operation and performance of TI's dual, high speed, wideband operational amplifiers. This unpopulated PC board (PCB) is compatible with products offered in the 8-lead SOIC (D) package.
 
For more information on these types of op (...)
User guide: PDF
Not available on TI.com
Simulation model

OPA2677 PSpice Model (Rev. B)

SBOM138B.ZIP (59 KB) - PSpice Model
Simulation model

OPA2677 TINA-TI Reference Design (Rev. B)

SBOC242B.TSC (99 KB) - TINA-TI Reference Design
Simulation model

OPA2677 TINA-TI Spice Model (Rev. A)

SBOM305A.ZIP (6 KB) - TINA-TI Spice Model
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 (...)
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.

(...)

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 (...)
User guide: PDF
Package Pins Download
HSOIC (DDA) 8 View options
SOIC (D) 8 View options
VQFN (RGV) 16 View options

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