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Amplificadores operacionales (op amps)
Amplificadores operacionales de alta velocidad (GBW ≥ 50 MHz)

OPA2836

ACTIVO

Amp op doble, de muy baja potencia, con salida de carril a carril, con entrada de carril negativo, V

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OPA2836

ACTIVO
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Detalles del producto

Architecture Voltage FB Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 GBW (typ) (MHz) 120 BW at Acl (MHz) 205 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 560 Vn at flatband (typ) (nV√Hz) 4.6 Vn at 1 kHz (typ) (nV√Hz) 4.6 Iq per channel (typ) (mA) 1 Vos (offset voltage at 25°C) (max) (mV) 0.4 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 116 Input bias current (max) (pA) 1000000 Offset drift (typ) (µV/°C) 1.1 Iout (typ) (mA) 50 2nd harmonic (dBc) 85 3rd harmonic (dBc) 79 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) 2.5 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 GBW (typ) (MHz) 120 BW at Acl (MHz) 205 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 560 Vn at flatband (typ) (nV√Hz) 4.6 Vn at 1 kHz (typ) (nV√Hz) 4.6 Iq per channel (typ) (mA) 1 Vos (offset voltage at 25°C) (max) (mV) 0.4 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 116 Input bias current (max) (pA) 1000000 Offset drift (typ) (µV/°C) 1.1 Iout (typ) (mA) 50 2nd harmonic (dBc) 85 3rd harmonic (dBc) 79 Frequency of harmonic distortion measurement (MHz) 1
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) VSSOP (DGS) 10 14.7 mm² (3 mm × 4.9 mm) UQFN (RMC) 10 4 mm² (2 mm × 2 mm) WQFN (RUN) 10 4 mm² (2 mm × 2 mm)
  • Low Power:
    • Supply Voltage: 2.5 V to 5.5 V
    • Quiescent Current: 1 mA (Typical)
    • Power Down Mode: 0.5 µA (Typical)
  • Bandwidth: 205 MHz
  • Slew Rate: 560 V/µs
  • Rise Time: 3 ns (2 VSTEP)
  • Settling Time (0.1%): 22 ns (2 VSTEP)
  • Overdrive Recovery Time: 60 ns
  • SNR: 0.00013% (–117.6 dBc) at 1 kHz (1 VRMS)
  • THD: 0.00003% (–130 dBc) at 1 kHz (1 VRMS)
  • HD2/HD3: –85 dBc/–105 dBc at 1 MHz (2 VPP)
  • Input Voltage Noise: 4.6 nV/√ Hz (f = 100 kHz)
  • Input Offset Voltage: 65 µV (±400-µV Maximum)
  • CMRR: 116 dB
  • Output Current Drive: 50 mA
  • RRO: Rail-to-Rail Output
  • Input Voltage Range: –0.2 V to +3.9 V (5-V Supply)
  • Operating Temperature Range: –40°C to +125°C
  • Low Power:
    • Supply Voltage: 2.5 V to 5.5 V
    • Quiescent Current: 1 mA (Typical)
    • Power Down Mode: 0.5 µA (Typical)
  • Bandwidth: 205 MHz
  • Slew Rate: 560 V/µs
  • Rise Time: 3 ns (2 VSTEP)
  • Settling Time (0.1%): 22 ns (2 VSTEP)
  • Overdrive Recovery Time: 60 ns
  • SNR: 0.00013% (–117.6 dBc) at 1 kHz (1 VRMS)
  • THD: 0.00003% (–130 dBc) at 1 kHz (1 VRMS)
  • HD2/HD3: –85 dBc/–105 dBc at 1 MHz (2 VPP)
  • Input Voltage Noise: 4.6 nV/√ Hz (f = 100 kHz)
  • Input Offset Voltage: 65 µV (±400-µV Maximum)
  • CMRR: 116 dB
  • Output Current Drive: 50 mA
  • RRO: Rail-to-Rail Output
  • Input Voltage Range: –0.2 V to +3.9 V (5-V Supply)
  • Operating Temperature Range: –40°C to +125°C

The OPA836 and OPA2836 devices (OPAx836) are single- and dual-channel, ultra-low power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed to operate over a power-supply range of 2.5 V to 5.5 V with a single supply, or ±1.25 V to ±2.75 V with a dual supply. Consuming only 1 mA per channel and a unity-gain bandwidth of 205 MHz, these amplifiers set an industry-leading power-to-performance ratio for rail-to-rail amplifiers.

For battery-powered, portable applications where power is of key importance, the low-power consumption and high-frequency performance of the OPA836 and OPA2836 devices offer performance-versus-power capability that is not attainable in other devices. Coupled with a power-savings mode to reduce current to < 1.5 µA, these devices offer an attractive solution for high-frequency amplifiers in battery-powered applications.

The OPA836 RUN package option includes integrated gain-setting resistors for the smallest possible footprint on a printed-circuit board (approximately 2.00 mm × 2.00 mm). By adding circuit traces on the PCB, gains of +1, –1, –1.33, +2, +2.33, –3, +4, –4, +5, –5.33, +6.33, –7, +8 and inverting attenuations of –0.1429, –0.1875, –0.25, –0.33, –0.75 can be achieved. See Table 9-1 and Table 9-2 for details.

The OPA836 and OPA2836 devices are characterized for operation over the extended industrial temperature range of –40°C to +125°C.

The OPA836 and OPA2836 devices (OPAx836) are single- and dual-channel, ultra-low power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed to operate over a power-supply range of 2.5 V to 5.5 V with a single supply, or ±1.25 V to ±2.75 V with a dual supply. Consuming only 1 mA per channel and a unity-gain bandwidth of 205 MHz, these amplifiers set an industry-leading power-to-performance ratio for rail-to-rail amplifiers.

For battery-powered, portable applications where power is of key importance, the low-power consumption and high-frequency performance of the OPA836 and OPA2836 devices offer performance-versus-power capability that is not attainable in other devices. Coupled with a power-savings mode to reduce current to < 1.5 µA, these devices offer an attractive solution for high-frequency amplifiers in battery-powered applications.

The OPA836 RUN package option includes integrated gain-setting resistors for the smallest possible footprint on a printed-circuit board (approximately 2.00 mm × 2.00 mm). By adding circuit traces on the PCB, gains of +1, –1, –1.33, +2, +2.33, –3, +4, –4, +5, –5.33, +6.33, –7, +8 and inverting attenuations of –0.1429, –0.1875, –0.25, –0.33, –0.75 can be achieved. See Table 9-1 and Table 9-2 for details.

The OPA836 and OPA2836 devices are characterized for operation over the extended industrial temperature range of –40°C to +125°C.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos OPAx836 Very-Low-Power, Rail-to-Rail Out, Negative-Rail In, VFB Op Amps datasheet (Rev. J) 12/03/2021
Application brief Higher accuracy using an external amplifier in ultrasonic flow measurement 5/02/2019
Libro electrónico The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28/03/2017
Artículo técnico When to use an amplifier with rail-to-rail inputs – and what to watch out for PDF | HTML 30/06/2016
Nota sobre la aplicación OPA836 Low-Power Op Amp Applications 8/09/2011
Analog Design Journal Designing for low distortion with high-speed op amps 2/03/2005
Nota sobre la aplicación Voltage Feedback vs. Current Feedback Op Amps 30/11/1998

Diseño y desarrollo

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Placa de evaluación

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Modelo de simulación

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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
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VSSOP (DGS) 10 Ultra Librarian
UQFN (RMC) 10 Ultra Librarian
WQFN (RUN) 10 Ultra Librarian
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