Audio Power Amplifiers | NCP2823

音频功率放大器，3.0 W，无滤波，D 级

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概览

NCP2823A/B 是成本高效的单声道音频功率放大器，适用于便携式电子设备。NCP2823A 适用于 8 Ω 运行，NCP2823B 可以低至 4.0 Ω 的扬声器阻抗运行。例如，NCP2823B 能够基于 5.0 V 电源，在桥接负载 (BTL) 配置中为 4.0 Ω 负载提供 3 W 的连续平均功率。在相同条件下，NCP2823A 可以不到 10% 的 THD+N 向 8.0 Ω BTL 负载提供 1.5 W 功率。对于蜂窝电话听筒或 PDA，它可以带来空间和成本节省，因为使用直感传感器时无需输出滤波器。它具有高于 90% 的能效和极低的关断电流，因此延长了电池寿命，大幅降低了结温度。

  • Audio Amplification

  • Cellular phones
  • Portable Media/ Audio Player
  • Portable navigation system
  • Portable game

  • Optimized PWM output stage
  • High efficiency: up to 92%
  • High PSRR: -77dB
  • High CMRR: -80dB
  • Adjustable gain

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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

NCP2823AFCCT2G

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Obsolete

CAD Model

Pb

A

H

P

Flip-Chip-9

499AL

1

260

DSFTP

3000

N

D

1.5

5.5

BTL

7.4

0.08

1.8

10

Price N/A

More Details

NCP2823AFCT2G

Contact Sales

Obsolete

CAD Model

Pb

A

H

P

Flip-Chip-9

499AL

1

260

DSFTP

3000

N

D

1.5

5.5

BTL

7.4

0.08

1.8

10

Price N/A

More Details

NCP2823BFCT1G

Contact Sales

Last Shipments

CAD Model

Pb

A

H

P

Flip-Chip-9

499AL

1

260

DSFTP

3000

N

D

3

5.5

BTL

7.4

0.08

2.6

10

Price N/A

More Details

NCP2823BFCT2G

Contact Sales

Last Shipments

CAD Model

Pb

A

H

P

Flip-Chip-9

499AL

1

260

DSFTP

3000

N

D

3

5.5

BTL

7.4

0.08

2.6

10

Price N/A

More Details

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可靠性数据

Die Related Summary Data

Device: NCP2823AFCCT2G

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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