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Datasheet Texas Instruments LM4673SD/NOPB

Datasheet Texas Instruments LM4673SD/NOPB

ПроизводительTexas Instruments

Filterless, 2.65W, Mono, Class D Audio Power Amplifier 8-WSON -40 to 85


  • Скачать » Datasheet, PDF, 4.5 Мб, Версия: D, 01-05-2013
    LM4673 Filterless, 2.65W, Mono, Class D Audio Power Amplifier datasheet
    Выписка из документа ↓
    LM4673, LM4673SDBD, LM4673TMBD
    www.ti.com SNAS317D – DECEMBER 2005 – REVISED MAY 2013 LM4673 Filterless, 2.65W, Mono, Class D Audio Power
    Check for Samples: LM4673, LM4673SDBD, LM4673TMBD FEATURES DESCRIPTION The LM4673 is a single supply, high efficiency,
    2.65W, mono, Class D audio amplifier. A low noise,
    filterless PWM architecture eliminates the output filter,
    reducing external component count, board area
    consumption, system cost, and simplifying design. 1 2 Mono Class D Operation
    No Output Filter Required for Inductive Loads
    Externally Configurable Gain
    Very Fast Turn On Time: 17Ојs (typ)
    Minimum External Components
    "Click and Pop" Suppression Circuitry
    Micro-Power Shutdown Mode
    Available in Space-Saving 0.4mm Pitch
    DSBGA and WSON Packages APPLICATIONS Mobile Phones
    Portable Electronic Devices KEY SPECIFICATIONS Efficiency at 3.6V, 400mW into 8Ω Speaker
    88% (typ)
    Efficiency at 3.6V, 100mW into 8Ω Speaker
    80% (typ)
    Efficiency at 5V, 1W into 8Ω Speaker 86% (typ)
    Quiescent Current, 3.6V Supply 2.1mA (typ) ...


    LM4673SD/NOPB на РадиоЛоцман.Цены — от 44,04 до 75,00 руб.
    Audio Power Amplifier IC, No. of Channels:1, Output Power, Po rms:400mW, Load Impedance Min:8ohm, Supply Voltage Min:2.4V, Supply Voltage Max:5.5V, Package/Case:8-LLP,...
    ЗУМ-ЭКTexas InstrumentsLM4673SD/NOPB44,04 руб.
    5 элементVishayTSOP77438TTот 44,20 руб.
    ТерраэлектроникаTexas InstrumentsLM4673SD/NOPBот 75,00 руб.
    ЭФОSTMicroelectronicsSTM3210CPRIMERпо запросу
    КонтестNational SemiconductorLM4673SD/NOPBпо запросу
    Все 19 предложений от 13 поставщиков »

Семейство: LM4673


Статус продуктаВ производстве (Рекомендуется для новых разработок)
Доступность образцов у производителяДа

Корпус / Упаковка / Маркировка

Package TypeNGQ
Industry STD TermWSON
Package QTY1000
CarrierLARGE T&R
Width (мм)3
Length (мм)3
Thickness (мм).8
Pitch (мм).5
Max Height (мм).8
Mechanical DataСкачать »


Analog Supply (V)2.4 Max
АрхитектураClass D
Audio Input TypeAnalog Input
Control InterfaceHardware
Iq per channel(Typ)2.6 мА
Iq(Max)3.75 мА
Iq(Typ)2.6 мА
Load(Min)4 ohms
Рабочий диапазон температурот -40 до 85 C
Выходная мощность2.65 W
Package GroupWSON
Package Size: mm2:W x LSee datasheet (WSON) PKG
Pin/Package8WSON, 9DSBGA
Shutdown Current (ISD)0.01 uA
Speaker ChannelsMono Max
THD + N @ 1 kHz0.03 %

Экологический статус


Комплекты разработчика и оценочные наборы

  • Evaluation Modules & Boards: LM4673TMBD
    LM4673TMBD Filterless, 2.65W, Mono, Class D Audio Power Amplifier Evaluation Board
    Статус продукта: В производстве (Рекомендуется для новых разработок)

Application Notes

  • Скачать » Application Notes, PDF, 154 Кб, Версия: B, 01-05-2013
    AN-1614 LM48510 Speaker AN- (Rev. B)
    This application report provides information on the performance of the LM48510 and the LM4673 in astereo application.
  • Скачать » Application Notes, PDF, 765 Кб, 30-10-2001
    Guidelines for Measuring Audio Power Amplifier Performance
    This application note provides guidelines for measuring the date sheet parameters of Texas Instruments audio power amplifiers (APAs) using prefabricated evaluation modules (EVMs). The primary equipment used for the measurements consists of the System Two audio measurement system by Audio Precision , a digital multimeter (DMM), and a dc power supply.
  • Скачать » Application Notes, PDF, 140 Кб, Версия: A, 01-05-2013
    AN-1737 Managing EMI in Class D Audio Applications (Rev. A)
    Electromagnetic interference (EMI) is an unwanted disturbance caused in an electrical circuit byelectromagnetic radiation emitted from an external source. The disturbance may interrupt, obstruct, orotherwise degrade the effective performance of the circuit.
  • Скачать » Application Notes, PDF, 1.9 Мб, Версия: B, 01-05-2013
    AN-1849 An Audio Amplifier Power Supply Design (Rev. B)
    This application report provides design information for a power supply for use with our newest offering of high-performance, ultra high-fidelity audio amplifier input stage ICs.
  • Скачать » Application Notes, PDF, 190 Кб, Версия: A, 01-05-2013
    AN-1497 Filterless Class D Amplifiers (Rev. A)
    As portable electronic devices continue to shrink in size, manufacturers look for ways to push theenvelope and develop the smallest, yet most functional product available. The promise of longer batterylife, smaller size and an enhanced sensory experience appeals to customers. Like the voltage regulatormarket, where system designers moved away from the simple but power hungry linear regulator

Модельный ряд

Серия: LM4673 (3)

Классификация производителя

  • Semiconductors > Audio > Low-Power Audio Amplifiers (<10W) > Speaker Amplifier Class AB/Class D

На английском языке: Datasheet Texas Instruments LM4673SD/NOPB

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