Audio Power Amplifiers | NCS2211

音频功率放大器，低失真，带差分输出和关断模式

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概览

NCS2211 是一款高性能、低失真 A/B 级音频放大器。它能为 8 Ω 扬声器桥接负载 (BTL) 提供 1W 输出功率。NCS2211 基于较宽温度范围运行，特别适用于便携式应用的单电源电压运行。它具有低失真性能，1.0 W 下的 THD + N 典型值为 0.2%，且具有关断/启用功能，可延长电池寿命。关断/启用功能会将静止电流降至最大 1 µ A。NCS2211 的设计运行温度范围为 -40°C 至 +85°C，采用 8 引线 SOIC 封装和 3x3 mm DFN8 封装。SOIC 封装和 DFN8 封装可与竞争器件实现引脚兼容，且具有相同的功能，以及可比的性能。DFN8 热电阻低至 70°C/W，并且具有裸露金属焊盘，可实现到铜质 PCB 材料的热传导。低失真、大功率、低静止电流和小型封装使得 NCS2211 适用于笔记本电脑和台式机、PDA 和扬声器电话等应用。

  • Speaker driving

  • Desktop Computing

  • Differential Output
  • 1.0 W into an 8 Speaker
  • 1.5 W into a 4 Speaker
  • Single Supply Operation: 2.7 V to 5.5 V
  • THD+N: 0.2% @ 1 W Output
  • Low Quiescent Current: 20 mA Max
  • Shutdown Current < 1.0 A
  • Excellent Power Supply Rejection
  • Two Package Options: SOIC-8 Package and DFN8
  • Pin Compatible with Competitive Devices
  • Notebook Computing

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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Output Power Typ (W)

VCC Max (V)

Output Type

ton Typ (ms)

THD + N Typ (%)

IQ Typ (mA)

ISD Typ (nA)

Reference Price

NCS2211DR2G

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CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

AB

1.5

5.5

BTL

0.001

0.2

20

1000

$0.2955

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NCS2211MNTXG

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CAD Model

Pb

A

H

P

DFN-8

506BJ

1

260

REEL

3000

Y

AB

1.5

5.5

BTL

0.001

0.2

20

1000

$0.3708

More Details

NCV2211DR2G

Contact Sales

Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

AB

1.5

5.5

BTL

0.001

0.2

20

1000

$0.3043

More Details

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可靠性数据

Die Related Summary Data

Device: NCS2211DR2G

Equivalent to wafer fab process: CMOS STD

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

CMOS STD

3

3597164517

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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