Home Verstärker Operationsverstärker (OpAmps) Hochgeschwindigkeits-Operationsverstärker (Transitfrequenz ≥ 50 MHz)

OPA2822

AKTIV

Dualer, rauscharmer SpeedPlus™-Breitband-Operationsverstärker

Produktdetails

Architecture Voltage FB Number of channels 2 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) 400 BW at Acl (MHz) 400 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 170 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 4.8 Vos (offset voltage at 25°C) (max) (mV) 1.2 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 110 Input bias current (max) (pA) 18000000 Offset drift (typ) (µV/°C) 5 Iout (typ) (mA) 150 2nd harmonic (dBc) 91 3rd harmonic (dBc) 100 Frequency of harmonic distortion measurement (MHz) 1
Architecture Voltage FB Number of channels 2 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) 400 BW at Acl (MHz) 400 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 170 Vn at flatband (typ) (nV√Hz) 2 Vn at 1 kHz (typ) (nV√Hz) 2 Iq per channel (typ) (mA) 4.8 Vos (offset voltage at 25°C) (max) (mV) 1.2 Rail-to-rail No Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 110 Input bias current (max) (pA) 18000000 Offset drift (typ) (µV/°C) 5 Iout (typ) (mA) 150 2nd harmonic (dBc) 91 3rd harmonic (dBc) 100 Frequency of harmonic distortion measurement (MHz) 1
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • LOW INPUT NOISE VOLTAGE: 2.0nV/Hz
  • HIGH UNITY GAIN BANDWIDTH: 500MHz
  • HIGH GAIN BANDWIDTH PRODUCT: 240MHz
  • HIGH OUTPUT CURRENT: 90mA
  • SINGLE +5V TO +12V OPERATION
  • LOW SUPPLY CURRENT: 4.8mA/ch
  • APPLICATIONS
    • xDSL DIFFERENTIAL LINE RECEIVERS
    • HIGH DYNAMIC RANGE ADC DRIVERS
    • LOW NOISE PLL INTEGRATORS
    • TRANSIMPEDANCE AMPLIFIERS
    • PRECISION BASEBAND I/Q AMPLIFIERS
    • ACTIVE FILTERS

All trademarks are the property of their respective owners.

  • LOW INPUT NOISE VOLTAGE: 2.0nV/Hz
  • HIGH UNITY GAIN BANDWIDTH: 500MHz
  • HIGH GAIN BANDWIDTH PRODUCT: 240MHz
  • HIGH OUTPUT CURRENT: 90mA
  • SINGLE +5V TO +12V OPERATION
  • LOW SUPPLY CURRENT: 4.8mA/ch
  • APPLICATIONS
    • xDSL DIFFERENTIAL LINE RECEIVERS
    • HIGH DYNAMIC RANGE ADC DRIVERS
    • LOW NOISE PLL INTEGRATORS
    • TRANSIMPEDANCE AMPLIFIERS
    • PRECISION BASEBAND I/Q AMPLIFIERS
    • ACTIVE FILTERS

All trademarks are the property of their respective owners.

The OPA2822 offers very low 2.0nV/Hz input noise in a wideband, unity gain stable, voltage-feedback architecture. Intended for xDSL receiver applications, the OPA2822 also supports this low input noise with exceptionally low harmonic distortion, particularly in differential configurations. Adequate output current is provided to drive the potentially heavy load of a passive filter between this amplifier and the codec. Harmonic distortion for a 2Vpp differential output operating from +5V to +12V supplies is ≤ –100dBc through 1MHz input frequencies. Operating on a low 4.8mA/ch supply current, the OPA2822 can satisfy all xDSL receiver requirements over a wide range of possible supply voltages—from a single +5V condition, to ±5V, on up to a single +12V design.

General-purpose applications on a single +5V supply will benefit from high input and output voltage swing available on this reduced supply voltage. Low-cost precision integrators for PLLs will also benefit from the low voltage noise and offset voltage. Baseband I/Q receiver channels can achieve almost perfect channel match with noise and distortion to support signals through 5MHz with > 14-bit dynamic range.

The OPA2822 offers very low 2.0nV/Hz input noise in a wideband, unity gain stable, voltage-feedback architecture. Intended for xDSL receiver applications, the OPA2822 also supports this low input noise with exceptionally low harmonic distortion, particularly in differential configurations. Adequate output current is provided to drive the potentially heavy load of a passive filter between this amplifier and the codec. Harmonic distortion for a 2Vpp differential output operating from +5V to +12V supplies is ≤ –100dBc through 1MHz input frequencies. Operating on a low 4.8mA/ch supply current, the OPA2822 can satisfy all xDSL receiver requirements over a wide range of possible supply voltages—from a single +5V condition, to ±5V, on up to a single +12V design.

General-purpose applications on a single +5V supply will benefit from high input and output voltage swing available on this reduced supply voltage. Low-cost precision integrators for PLLs will also benefit from the low voltage noise and offset voltage. Baseband I/Q receiver channels can achieve almost perfect channel match with noise and distortion to support signals through 5MHz with > 14-bit dynamic range.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt Dual Wideband, Low-Noise Operational Amplifier datasheet (Rev. E) 28.08.2008
E-book The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28.03.2017
Anwendungshinweis RLC Filter Design for ADC Interface Applications (Rev. A) 13.05.2015
Benutzerhandbuch DEM-OPA-SO-2A User's Guide (Rev. B) 30.04.2010
Anwendungshinweis Wireline Data Transmission and Reception 27.01.2010
Benutzerhandbuch DEM-OPA-MSOP-2A User's Guide (Rev. A) 25.05.2006
Anwendungshinweis Noise Analysis for High Speed Op Amps (Rev. A) 17.01.2005
Anwendungshinweis ADS5500, OPA695: PC Board Layout for Low Distortion High-Speed ADC Drivers 22.04.2004
Anwendungshinweis Measuring Board Parasitics in High-Speed Analog Design 07.07.2003

Design und Entwicklung

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Evaluierungsplatine

DEM-OPA-MSOP-2A — Dual-Operationsverstärker-Evaluierungsmodul für MSOP-8-Gehäuse

The DEM-OPA-MSOP-2A demonstration fixture helps designers evaluate the operation and performance of TI's dual, high speed, wideband operational amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead MSOP (DGK) package.
 
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Evaluierungsplatine

DEM-OPA-SO-2A — Dual-Operationsverstärker-Evaluierungsmodul für SO-8-Gehäuse

The DEM-OPA-SO-2A demonstration evaluation module helps designers evaluate the operation and performance of TI dual-channel, high-speed, wideband operational amplifiers. This unpopulated printed-circuit board (PCB) is compatible with products offered in the 8-lead SOIC (D) package.

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Simulationsmodell

OPA2822 PSpice Model

SBOM157.ZIP (1 KB) - PSpice-Modell
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Berechnungstool

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

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