Audio Power Amplifiers | NCP2811

音频功率放大器，真实接地立体声耳机

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概览

NCP2811 是一款双音频功率放大器，适用于手机等便携式通信设备应用。此零件能够基于 2.7 V 电源，1% d THD+N 为 16 Ω 负载提供 27 mW 的连续平均功率。基于提供给该器件的电源，内部功率管理块会产生对称的正向和负向电压。因此，内部放大器提供与接地参比的输出。在此 NOCAPTM 配置中，可以移除两个外部重型耦合电容器。它与传统立体声应用相比，提供了明显的空间和成本节省。NCP2811 提供外部可调增益（版本 A），或内部增益（版本 B）。它能实现卓越的 PSRR 和本底噪音功能。因此，可提供高保真音频声音以及与电池的直接联接。它包含了防止开关转换期间所产生杂音的电路。该器件提供 12 凸块 CSP 封装 (2 x 1.5 mm)，有助于节省板上空间。

  • Stereo headphone amplifier

  • Cellular phones
  • Personal Digital Assistant and Portable Media Player
  • MP3 Player
  • Notebook PC

  • NoCapTM Output Eliminate DC-Blocking Capacitors
  • High PSRR : -100 dB
  • Pop and Click protection circuitry
  • Internal gain (-1.5 V/V) or external gain
  • 2.7V-5.0V Operation
  • Thermal overload protection circuitry

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Class

Output Power Typ (W)

VCC Max (V)

Output Type

ton Typ (ms)

THD + N Typ (%)

IQ Typ (mA)

ISD Typ (nA)

Reference Price

NCP2811ADTBR2G

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Last Shipments

CAD Model

Pb

A

H

P

TSSOP-14 WB

948G

1

260

REEL

2500

N

AB

0.11

5

Multiple Analog

1

0.01

6

10

Price N/A

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NCP2811AFCT1G

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Obsolete

CAD Model

Pb

A

H

P

Flip-Chip-12

499AZ

1

260

DSFTP

3000

N

AB

0.11

5

Multiple Analog

1

0.01

6

10

Price N/A

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NCP2811AMTTXG

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Obsolete

CAD Model

Pb

A

H

P

WQFN-12

510AH

1

260

REEL

3000

N

AB

0.11

5

Multiple Analog

1

0.01

6

10

Price N/A

More Details

NCP2811BDTBR2G

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-14 WB

948G

1

260

REEL

2500

N

AB

0.11

5

Multiple Analog

1

0.01

6

10

Price N/A

More Details

NCP2811BFCCT1G

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Last Shipments

CAD Model

Pb

A

H

P

Flip-Chip-12

499AZ

1

260

DSFTP

3000

N

AB

0.11

5

Multiple Analog

1

0.01

6

10

Price N/A

More Details

NCP2811BFCT1G

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Obsolete

CAD Model

Pb

A

H

P

Flip-Chip-12

499AZ

1

260

DSFTP

3000

N

AB

0.11

5

Multiple Analog

1

0.01

6

10

Price N/A

More Details

NCP2811BMTTXG

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

WQFN-12

510AH

1

260

REEL

3000

N

AB

0.11

5

Multiple Analog

1

0.01

6

10

Price N/A

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可靠性数据

Die Related Summary Data

Device: NCP2811ADTBR2G

Equivalent to wafer fab process: ONC25

产品技术

产品技术

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

ONC25

1

2712519294

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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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