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LM48861

アクティブ

24mW、ステレオ、アナログ入力ヘッドホン・アンプ

ご注文はこちら
データシート

LM48861

アクティブ
データシート ご注文はこちら

製品詳細

Output power (W) 0.032 Analog supply (min) (V) 1.2 Analog supply voltage (max) (V) 2.8 Load (min) (Ω) 16 PSRR (dB) 83 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Stereo Volume control No Shutdown current (ISD) (µA) 0.01 Architecture Class-AB (ground-centered) Iq per channel (typ) (mA) 1
Output power (W) 0.032 Analog supply (min) (V) 1.2 Analog supply voltage (max) (V) 2.8 Load (min) (Ω) 16 PSRR (dB) 83 Rating Catalog Operating temperature range (°C) -40 to 85 Headphone channels Stereo Volume control No Shutdown current (ISD) (µA) 0.01 Architecture Class-AB (ground-centered) Iq per channel (typ) (mA) 1
DSBGA (YFQ) 12 2.52000000000000018 mm² 1.8 x 1.4000000000000001
  • Ground Referenced Outputs – Eliminates Output Coupling Capacitors
  • Common-Mode Sensing
  • Advanced Click-and-Pop Suppression
  • Low Supply Current
  • Minimum External Components
  • Micro-Power Shutdown
  • ESD Protection of 8kV HBM Contact
  • Available in Space-Saving 12-Bump DSBGA Package

Key Specifications

  • Output Power/Channel at
    VDD = 1.5V,THD+N = 1%
    • RL = 16Ω 12mW (typ)
    • RL = 32Ω 13mW (typ)
  • Output Power/Channel at
    VDD = 1.8V, THD+N = 1%
    • RL = 16Ω 24mW (typ)
    • RL = 32Ω 22mW (typ)
  • Quiescent Power Supply Current at 1.5V
    2mA (typ)
  • PSRR at 217Hz 83dB (typ)
  • Shutdown Current 0.01μA (typ)

PowerWise is a trademark of Texas Instruments. All trademarks are the property of their respective owners.

  • Ground Referenced Outputs – Eliminates Output Coupling Capacitors
  • Common-Mode Sensing
  • Advanced Click-and-Pop Suppression
  • Low Supply Current
  • Minimum External Components
  • Micro-Power Shutdown
  • ESD Protection of 8kV HBM Contact
  • Available in Space-Saving 12-Bump DSBGA Package

Key Specifications

  • Output Power/Channel at
    VDD = 1.5V,THD+N = 1%
    • RL = 16Ω 12mW (typ)
    • RL = 32Ω 13mW (typ)
  • Output Power/Channel at
    VDD = 1.8V, THD+N = 1%
    • RL = 16Ω 24mW (typ)
    • RL = 32Ω 22mW (typ)
  • Quiescent Power Supply Current at 1.5V
    2mA (typ)
  • PSRR at 217Hz 83dB (typ)
  • Shutdown Current 0.01μA (typ)

PowerWise is a trademark of Texas Instruments. All trademarks are the property of their respective owners.

The LM48861 is a single supply, ground-referenced stereo headphone amplifier. Part of TI's PowerWise product family, the LM48861 consumes only 3mW of power, yet still provides great audio performance. The ground-referenced architecture eliminates the larger DC blocking capacitors required by traditional headphone amplifier's saving board space and reducing cost.

The LM48861 features common-mode sensing that corrects for any differences between the amplifier ground and the potential at the headphone return terminal, minimizing noise created by any ground mismatches.

The LM48861 delivers 22mW/channel into a 32Ω load with <1% THD+N with a 1.8V supply. Power supply requirements allow operation from 1.2V to 2.8V. High power supply rejection ratio (PSRR), 83dB at 217Hz, allows the device to operate in noisy environments without additional power supply conditioning. A low power shutdown mode reduces supply current consumption to 0.01µA.

Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown. The LM48861 is available in an ultra-small 12-bump, 0.4mm pitch, DSBGA package (1.215mm x 1.615mm).

The LM48861 is a single supply, ground-referenced stereo headphone amplifier. Part of TI's PowerWise product family, the LM48861 consumes only 3mW of power, yet still provides great audio performance. The ground-referenced architecture eliminates the larger DC blocking capacitors required by traditional headphone amplifier's saving board space and reducing cost.

The LM48861 features common-mode sensing that corrects for any differences between the amplifier ground and the potential at the headphone return terminal, minimizing noise created by any ground mismatches.

The LM48861 delivers 22mW/channel into a 32Ω load with <1% THD+N with a 1.8V supply. Power supply requirements allow operation from 1.2V to 2.8V. High power supply rejection ratio (PSRR), 83dB at 217Hz, allows the device to operate in noisy environments without additional power supply conditioning. A low power shutdown mode reduces supply current consumption to 0.01µA.

Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown. The LM48861 is available in an ultra-small 12-bump, 0.4mm pitch, DSBGA package (1.215mm x 1.615mm).
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種類 タイトル 最新の英語版をダウンロード 日付
* データシート LM48861 Ground-Referenced, Ultra Low Noise, Stereo Headphone Amplifier データシート (Rev. B) 2013年 5月 3日

購入と品質

記載されている情報：
  • RoHS
  • REACH
  • デバイスのマーキング
  • リード端子の仕上げ / ボールの原材料
  • MSL 定格 / ピーク リフロー
  • MTBF/FIT 推定値
  • 使用原材料
  • 認定試験結果
  • 継続的な信頼性モニタ試験結果
記載されている情報：
  • ファブの拠点
  • 組み立てを実施した拠点

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