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LM4992

1.07W 立體聲、模擬輸入 AB 類音頻放大器; ? Available in Space-Saving WSON Package\n? Ultra Low Current Shutdown Mode\n? BTL Output Can Drive Capacitive Loads\n? Improved Click and Pop Circuitry Eliminates Noise During Turn-On and Turn-Off Transitions \n? 2.2 - 5.5V Operation\n? No Output Coupling Capacitors, Snubber Networks or Bootstrap Capacitors Required\n? Unity-Gain Stable\n? External Gain Configuration Capability\n Key Specifications \n? ?Improved PSRR at 217Hz & 1KHz: 64 dB (1KHz)\n? ?Stereo Output Power at 5.0V, 1% THD, 8?: 1.07 W (typ)\n? ?Stereo Output Power at 3.3V, 1% THD, 8?: 420 mW (typ)\n? ?Shutdown Current, Vdd = 3.3V: 0.2 μA (typ);

The LM4992 is a stereo audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1 watt, per channel, of continuous average power to an 8? BTL load with less than 1% distortion (THD+N) from a 5VDC power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4992 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 LM4992 features independent shutdown control for each channel and a low-power consumption shutdown mode, which is achieved by driving both shutdown pins with logic low. Additionally, the LM4992 features an internal thermal shutdown protection mechanism.The LM4992 contains advanced click and pop circuitry which eliminates noise which would otherwise occur during turn-on and turn-off transitions.The LM4992 is unity-gain stable and can be configured by external gain-setting resistors.

TITexas Instruments

德州儀器美國德州儀器公司

LM4992

420mW Stereo Cell Phone Audio Amplifier

NSCNational Semiconductor (TI)

美國國家半導體美國國家半導體公司

LM4992

420mW Stereo Cell Phone Audio Amplifier

TI1Texas Instruments

德州儀器美國德州儀器公司

LM4992

420mW Stereo Cell Phone Audio Amplifier

TI1Texas Instruments

德州儀器美國德州儀器公司

LM4992_14

420mW Stereo Cell Phone Audio Amplifier

TI1Texas Instruments

德州儀器美國德州儀器公司

LM4992SD

420mW Stereo Cell Phone Audio Amplifier

NSCNational Semiconductor (TI)

美國國家半導體美國國家半導體公司

LM4992SD/NOPB

420mW Stereo Cell Phone Audio Amplifier

TI1Texas Instruments

德州儀器美國德州儀器公司

LM4992SD/NOPB

420mW Stereo Cell Phone Audio Amplifier

TI1Texas Instruments

德州儀器美國德州儀器公司

LM4992SDBD

420mW Stereo Cell Phone Audio Amplifier

TI1Texas Instruments

德州儀器美國德州儀器公司

LM4992SDBD

420mW Stereo Cell Phone Audio Amplifier

TI1Texas Instruments

德州儀器美國德州儀器公司

技術參數(shù)

  • Architecture：

    Class-AB

  • Speaker channels (max)：

    Stereo

  • Rating：

    Catalog

  • Load (min) (Ω)：

    8

  • Output power (W)：

    1.2

  • THD + N at 1 kHz (%)：

    0.15

  • Iq (typ) (mA)：

    7

  • Control interface：

    Hardware

  • Analog supply (min) (V)：

    2.2

  • Analog supply (max) (V)：

    5.5

  • PSRR (dB)：

    64

  • Operating temperature range (°C)：

    -40 to 85

供應商型號品牌批號封裝庫存備注價格
NSC
24+
LLP-14
150
詢價
NS
23+
LLP14
8000
原裝正品,假一罰十
 詢價
NSC
2004+
LLP-14
150
原裝現(xiàn)貨海量庫存歡迎咨詢
 詢價
NS/國半
23+
NA
13000
原廠授權一級代理,專業(yè)海外優(yōu)勢訂貨,價格優(yōu)勢、品種
 詢價
NSC
LLP-14
68500
一級代理 原裝正品假一罰十價格優(yōu)勢長期供貨
 詢價
NS
25+
LLP-14
3600
全新原裝進口,公司現(xiàn)貨!
 詢價
NS
24+
原廠封裝
6010
全新原裝現(xiàn)貨熱賣,價格絕對優(yōu)
 詢價
NS
23+
TSSOP
9823
詢價
NSC
24+
QFN
4652
公司原廠原裝現(xiàn)貨假一罰十!特價出售!強勢庫存!
 詢價
NATIONALSEMI
05+
原廠原裝
5270
只做全新原裝真實現(xiàn)貨供應
 詢價
更多LM4992供應商 更新時間2025-7-28 15:30:00

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