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Amplificadores de propósito general

LM2904-N

ACTIVO

Amp op doble de 26 V y 1 MHz

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LM2904B ACTIVO Amplificador operacional doble de 36 V y 1.2 MHz con funcionamiento de -40 °C a 125 °C Pin-to-pin upgrade with improved performance and lower 1ku price.

LM2904-N

ACTIVO
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Detalles del producto

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 26 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Rail-to-rail In to V- GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 0.24 Vos (offset voltage at 25°C) (max) (mV) 7 Iq per channel (typ) (mA) 0.25 Vn at 1 kHz (typ) (nV√Hz) 40 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 7 Features Small Size Input bias current (max) (pA) 250000 CMRR (typ) (dB) 70 Iout (typ) (A) 0.02 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.005 Output swing headroom (to positive supply) (typ) (V) -3
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 26 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Rail-to-rail In to V- GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 0.24 Vos (offset voltage at 25°C) (max) (mV) 7 Iq per channel (typ) (mA) 0.25 Vn at 1 kHz (typ) (nV√Hz) 40 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 7 Features Small Size Input bias current (max) (pA) 250000 CMRR (typ) (dB) 70 Iout (typ) (A) 0.02 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.005 Output swing headroom (to positive supply) (typ) (V) -3
DSBGA (YPB) 8 3.0625 mm² (— mm × — mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) PDIP (P) 8 92.5083 mm² (9.81 mm × 9.43 mm)
  • Available in 8-bump DSBGA chip-sized package (see AN-1112, SNVA009)
  • Internally frequency compensated for unity gain
  • Large DC voltage gain: 100 dB
  • Wide bandwidth (unity gain): 1 MHz (temperature compensated)
  • Wide power supply range:
    • Single supply: 3 V to 32 V
    • Or dual supplies: ±1.5 V to ±16 V
  • Very low supply current drain (500 µA) essentially independent of supply voltage
  • Low input offset voltage: 2 mV
  • Input common-mode voltage range includes ground
  • Differential input voltage range equal to the power supply voltage
  • Large output voltage swing
  • Unique characteristics:
    • In the Linear Mode the input common-mode voltage range includes ground and the output voltage can also swing to ground, even though operated from only a single power supply voltage
    • The unity gain cross frequency is temperature compensated
    • The input bias current is also temperature compensated
  • Advantages:
    • Two internally compensated op amps
    • Eliminates need for dual supplies
    • Allows direct sensing near GND and VOUT also goes to GND
    • Compatible with all forms of logic
    • Power drain suitable for battery operation
  • Available in 8-bump DSBGA chip-sized package (see AN-1112, SNVA009)
  • Internally frequency compensated for unity gain
  • Large DC voltage gain: 100 dB
  • Wide bandwidth (unity gain): 1 MHz (temperature compensated)
  • Wide power supply range:
    • Single supply: 3 V to 32 V
    • Or dual supplies: ±1.5 V to ±16 V
  • Very low supply current drain (500 µA) essentially independent of supply voltage
  • Low input offset voltage: 2 mV
  • Input common-mode voltage range includes ground
  • Differential input voltage range equal to the power supply voltage
  • Large output voltage swing
  • Unique characteristics:
    • In the Linear Mode the input common-mode voltage range includes ground and the output voltage can also swing to ground, even though operated from only a single power supply voltage
    • The unity gain cross frequency is temperature compensated
    • The input bias current is also temperature compensated
  • Advantages:
    • Two internally compensated op amps
    • Eliminates need for dual supplies
    • Allows direct sensing near GND and VOUT also goes to GND
    • Compatible with all forms of logic
    • Power drain suitable for battery operation

The LM158 series consists of two independent, high gain, internally frequency compensated operational amplifiers which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage.

Application areas include transducer amplifiers, DC gain blocks and all the conventional op-amp circuits which now can be more easily implemented in single power supply systems. For example, the LM158 series can be directly operated off of the standard 3.3-V power supply voltage which is used in digital systems and will easily provide the required interface electronics without requiring the additional ±15-V power supplies.

The LM358 and LM2904 are available in a chip-sized package (8-bump DSBGA) using TI’s DSBGA package technology.

The LM158 series consists of two independent, high gain, internally frequency compensated operational amplifiers which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage.

Application areas include transducer amplifiers, DC gain blocks and all the conventional op-amp circuits which now can be more easily implemented in single power supply systems. For example, the LM158 series can be directly operated off of the standard 3.3-V power supply voltage which is used in digital systems and will easily provide the required interface electronics without requiring the additional ±15-V power supplies.

The LM358 and LM2904 are available in a chip-sized package (8-bump DSBGA) using TI’s DSBGA package technology.
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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 LMx58-N Low-Power, Dual-Operational Amplifiers datasheet (Rev. J) PDF | HTML 14/03/2022
Nota sobre la aplicación Application Design Guidelines for LM324 and LM358 Devices (Rev. B) PDF | HTML 19/07/2023
Libro electrónico The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28/03/2017

Diseño y desarrollo

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Placa de evaluación

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Modelo de simulación

LMx58_LM2904 PSpice Model (Rev. C)

SNOM268C.ZIP (23 KB) - Modelo PSpice
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LMx58_LM2904 Reference Design

SNOM671.ZIP (22 KB) - Diseño de referencia TINA-TI
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LMx58_LM2904 TINA-TI Macro

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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
DSBGA (YPB) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
PDIP (P) 8 Ultra Librarian
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