Produktdetails

Output power (W) 0.28 Analog supply (min) (V) 2.2 Analog supply voltage (max) (V) 5.5 Load (min) (Ω) 16 PSRR (dB) 75 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Mono Volume control No Shutdown current (ISD) (µA) 0.1 Architecture Class-AB Iq per channel (typ) (mA) 2
Output power (W) 0.28 Analog supply (min) (V) 2.2 Analog supply voltage (max) (V) 5.5 Load (min) (Ω) 16 PSRR (dB) 75 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Mono Volume control No Shutdown current (ISD) (µA) 0.1 Architecture Class-AB Iq per channel (typ) (mA) 2
WQFN (NGP) 8 4 mm² 2 x 2
  • Pseudo-Differential Amplification
  • Internal Gain-Setting Resistors
  • Available in Space-Saving WQFN Package
  • Ultra Low Current Shutdown Mode
  • Can Drive Capacitive Loads up to 500pF
  • Improved Pop & Click Circuitry Virtually Eliminates Noises During Turn-On and Turn-Off Transitions
  • 2.2 - 5.5V Operation
  • No Output Coupling Capacitors, Snubber Networks, Bootstrap Capacitors or Gain-Setting Resistors Required
  • Ultra Low Noise

Key Specifications

  • Improved PSRR at 217Hz and 1kHz: 75dB (Typ)
  • Power Output at 5.0V & 1% THD into 32Ω: 280mW (Typ)
  • Power Output at 3.0V & 1% THD into 32Ω: 90mW (Typ)
  • Output Noise, A-weighted: 20μV (Typ)

All trademarks are the property of their respective owners.

  • Pseudo-Differential Amplification
  • Internal Gain-Setting Resistors
  • Available in Space-Saving WQFN Package
  • Ultra Low Current Shutdown Mode
  • Can Drive Capacitive Loads up to 500pF
  • Improved Pop & Click Circuitry Virtually Eliminates Noises During Turn-On and Turn-Off Transitions
  • 2.2 - 5.5V Operation
  • No Output Coupling Capacitors, Snubber Networks, Bootstrap Capacitors or Gain-Setting Resistors Required
  • Ultra Low Noise

Key Specifications

  • Improved PSRR at 217Hz and 1kHz: 75dB (Typ)
  • Power Output at 5.0V & 1% THD into 32Ω: 280mW (Typ)
  • Power Output at 3.0V & 1% THD into 32Ω: 90mW (Typ)
  • Output Noise, A-weighted: 20μV (Typ)

All trademarks are the property of their respective owners.

The LM4915 is a pseudo-differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable audio device applications with mono headphones. It is capable of delivering 90 miliwatts of continuous average power to a 32Ω BTL load with less than 1% distortion (THD+N) from a 3VDC power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4915 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement.

The LM4915 features a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by driving the shutdown pin low. Additionally, the LM4915 features an internal thermal shutdown protection mechanism.

The LM4915 contains advanced pop & click circuitry which virtually eliminates noises which would otherwise occur during turn-on and turn-off transitions.

The LM4915 has an internally fixed gain of 6dB.

The LM4915 is a pseudo-differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable audio device applications with mono headphones. It is capable of delivering 90 miliwatts of continuous average power to a 32Ω BTL load with less than 1% distortion (THD+N) from a 3VDC power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4915 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement.

The LM4915 features a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by driving the shutdown pin low. Additionally, the LM4915 features an internal thermal shutdown protection mechanism.

The LM4915 contains advanced pop & click circuitry which virtually eliminates noises which would otherwise occur during turn-on and turn-off transitions.

The LM4915 has an internally fixed gain of 6dB.

Herunterladen Video mit Transkript ansehen Video

Technische Dokumentation

star =Von TI ausgewählte Top-Empfehlungen für dieses Produkt
Keine Ergebnisse gefunden. Bitte geben Sie einen anderen Begriff ein und versuchen Sie es erneut.
Alle anzeigen 1
Typ Titel Datum
* Data sheet LM4915 Pseudo-Differential Mono Headphone Amplifier with Fixed 6dB Gain datasheet (Rev. A) 01 Mai 2013

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Simulationstool

PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool

PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
Gehäuse Pins Herunterladen
WQFN (NGP) 8 Optionen anzeigen

Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

Support und Schulungen

TI E2E™-Foren mit technischem Support von TI-Ingenieuren

Inhalte werden ohne Gewähr von TI und der Community bereitgestellt. Sie stellen keine Spezifikationen von TI dar. Siehe Nutzungsbedingungen.

Bei Fragen zu den Themen Qualität, Gehäuse oder Bestellung von TI-Produkten siehe TI-Support. ​​​​​​​​​​​​​​

Videos