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Amplificadores operacionales (op amps)
Amplificadores operacionales para audio

LME49726

ACTIVO

Amplificador operacional de audio de 2 canales, 6.25 MHz, RRO y baja distorsión con corriente de sal

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OPA1662 ACTIVO Amp op SoundPlus™ doble de bajo ruido (3,3 nV/rtHz) y distorsión (-124 dB), amplificador operacional Improved noise, distortion and PSRR

LME49726

ACTIVO
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Detalles del producto

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) 6.25 Slew rate (typ) (V/µs) 3.7 Rail-to-rail Out Vos (offset voltage at 25°C) (max) (mV) 2.5 Iq per channel (typ) (mA) 0.7 Vn at 1 kHz (typ) (nV√Hz) 6.9 Features Premium Sound THD + N at 1 kHz (typ) (%) 0.00008 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.35 Architecture Voltage FB CMRR (typ) (dB) 95
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) 6.25 Slew rate (typ) (V/µs) 3.7 Rail-to-rail Out Vos (offset voltage at 25°C) (max) (mV) 2.5 Iq per channel (typ) (mA) 0.7 Vn at 1 kHz (typ) (nV√Hz) 6.9 Features Premium Sound THD + N at 1 kHz (typ) (%) 0.00008 Rating Catalog Operating temperature range (°C) -40 to 85 Iout (typ) (A) 0.35 Architecture Voltage FB CMRR (typ) (dB) 95
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9
  • Rail-to-Rail Output
  • Easily Drives 2kΩ Loads to within 4mV of Each Power Supply Voltage Rail
  • Optimized for Superior Audio Signal Fidelity
  • Output Short Circuit Protection
  • High Output Drive (>300mA)
  • Available in VSSOP Exposed-DAP Package

Key Specifications

  • Power Supply Voltage Range: 2.5 to 5.5 V
  • Quiescent Current per Amplifier   at 5V: 0.7 mA (Typ)
  • THD+N, AV = 1, fIN = 1kHz, RL = 10kΩ:
    • (VOUT = 3.5VP-P, VDD = 5.0V): 0.00008 % (Typ)
    • (VOUT = 1.5VP-P, VDD = 2.5V): 0.00002 % (Typ)
  • Equivalent Input Noise (f = 10k): 8.3 nV/√Hz (Typ)
  • Slew Rate: ±3.7 V/μs (Typ)
  • Gain Bandwidth Product: 6.25 MHz (Typ)
  • Open Loop Gain (RL = 10kΩ): 120 dB (Typ)
  • Input Bias Current: 0.2 pA (Typ)
  • Input Offset Voltage: 0.5 mV (Typ)
  • PSRR (DC): 104 dB (Typ)

All trademarks are the property of their respective owners.

  • Rail-to-Rail Output
  • Easily Drives 2kΩ Loads to within 4mV of Each Power Supply Voltage Rail
  • Optimized for Superior Audio Signal Fidelity
  • Output Short Circuit Protection
  • High Output Drive (>300mA)
  • Available in VSSOP Exposed-DAP Package

Key Specifications

  • Power Supply Voltage Range: 2.5 to 5.5 V
  • Quiescent Current per Amplifier   at 5V: 0.7 mA (Typ)
  • THD+N, AV = 1, fIN = 1kHz, RL = 10kΩ:
    • (VOUT = 3.5VP-P, VDD = 5.0V): 0.00008 % (Typ)
    • (VOUT = 1.5VP-P, VDD = 2.5V): 0.00002 % (Typ)
  • Equivalent Input Noise (f = 10k): 8.3 nV/√Hz (Typ)
  • Slew Rate: ±3.7 V/μs (Typ)
  • Gain Bandwidth Product: 6.25 MHz (Typ)
  • Open Loop Gain (RL = 10kΩ): 120 dB (Typ)
  • Input Bias Current: 0.2 pA (Typ)
  • Input Offset Voltage: 0.5 mV (Typ)
  • PSRR (DC): 104 dB (Typ)

All trademarks are the property of their respective owners.

The LME49726 is a low distortion, low noise rail-to-rail output audio operational amplifier optimized and fully specified for high performance, high fidelity applications. The LME49726 delivers superior audio signal amplification for outstanding audio performance. The LME49726 has a very low THD+N to easily satisfy demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LME49726 provides output current greater than 300mA at 5V. Further, dynamic range is maximized by an output that drives 2kΩ loads to within 4mV of either power supply voltage.

The LME49726 has a supply range of 2.5V to 5.5V. Over this supply range the LME49726’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49726 is unity gain stable.

The LME49726 is a low distortion, low noise rail-to-rail output audio operational amplifier optimized and fully specified for high performance, high fidelity applications. The LME49726 delivers superior audio signal amplification for outstanding audio performance. The LME49726 has a very low THD+N to easily satisfy demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LME49726 provides output current greater than 300mA at 5V. Further, dynamic range is maximized by an output that drives 2kΩ loads to within 4mV of either power supply voltage.

The LME49726 has a supply range of 2.5V to 5.5V. Over this supply range the LME49726’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49726 is unity gain stable.
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Documentación técnica

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Tipo Título Fecha
* Data sheet High Current, Low Distortion, Rail-to-Rail Output Audio Operational Amplifier datasheet (Rev. C) 04 abr 2013
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 mar 2017

Diseño y desarrollo

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Modelo de simulación

LME49726 TINA-TI Reference Design

SNAM047.TSC (57 KB) - TINA-TI Reference Design
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Modelo de simulación

LME49726 TINA-TI Spice Model

SNAM048.ZIP (22 KB) - TINA-TI Spice Model
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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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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 (...)
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Pedidos y calidad

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Soporte y capacitación

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