Audio Power Amplifiers | NCS2632

NOCAP™，无爆裂声，3 Vrms 音频线路驱动器，带可调增益

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NCS2632 是一款无爆裂声的立体声线路驱动器。它采用安森美半导体的 NOCAP 专利技术，通过生成内部负电源轨道，提供接地参考输出，无需外部直流阻断电容。此器件可 5 V 电源下，驱动 3 VRMS 形成 600 Ω 负载。与类似的音频方案相比，NOCAP 方法摒弃了两个外部重耦合电容，显著节省了空间和成本。NCS2632 具有差分输入，外部可调增益范围为 ±1 V/V 至 ±10 V/V。增益由外部电阻调节。此器件还可配置为一个二阶低通滤波器，以完善 DAC 和 SOC 转换器。除 NOCAP 结构外，它还包含特殊电路，以防止在启用/转换转换过程中出现爆裂和咔嗒的噪声。信噪比达 105 dB，提供高保真音频声音。NCS2632 具有高电源抑制比，典型值为 90 dB。此器件还具有欠压保护 (UVP) 功能，可用外部阻桥调节。此器件采用 TSSOP-14 封装。

  • Audio line driver
  • Set-Top Boxes
  • PDP / LCD TV
  • Bluray Players, DVD Players
  • Home Theater in a Box
  • Laptops, Notebook PCs
  • NOCAPTM
  • Supply voltage from 2.2V to 5.5V
  • SNR = 105dB
    Typical Vn of 8 µVrms, A-Weighted
    THD+N < 0.001% at 1 kHz
  • Output Voltage into 600 Ω Load:
    2 VRMS with 3.3V Supply Voltage
    3 VRMS with 5V Supply Voltage
  • Adjustable gain from ±1V/V to ±10V/V
  • Differential Input
  • High PSRR: 90 dB
  • External Under-Voltage Detection function (UVP)
  • Enhanced Pop and Click Suppression Function
  • Offset Voltage: 400 µV
  • Outputs pass 8 kV contact discharge according to IEC61000-4-2 under application conditions
  • Available in a TSSOP-14 package

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NCS2632DTBR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-14 WB

948G

1

260

REEL

2500

Y

AB

-

5.5

Differential

0.55

0.001

7

-

$0.382

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