Datasheet > AK4201_11

AK4201_11

更新时间： 2022-10-09 14:10:13

品牌	Logo	应用领域
AKM		放大器
页数	文件大小	规格书
14页	216K
描述
Stereo Cap-less HP-Amp

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AK4201_11 数据手册

[AK4201]

AK4201

Stereo Cap-less HP-Amp

GENERAL DESCRIPTION

The AK4201 is an audio stereo cap-less headphone amplifier. The AK4201 eliminates the need for large

DC-blocking capacitors with a built-in Charge-pump circuit. A 100dB PSRR (Power Supply Rejection

Ratio) is achieved by a built-in regulator, and 2Vrms outputs are available with excellent linearity when the

AK4201 is used as a lineout amplifier. The AK4201 is available in tiny 12-pin USON (2.2 X 2.9mm), saving

board space, cost, and reducing component height.

FEATURE

Stereo Cap-less Amplifier (No DC-blocking capacitors required)

High PSRR (100dB at 217Hz)

Output Power:

65 mW x 2ch @ 16Ω, AVDD=PVDD=5.0V, THD+N=-60dB

30 mW x 2ch @ 16Ω, AVDD=PVDD=3.3V, THD+N=-60dB

Output Noise Level: 11µVrms (Ri=20kΩ, Rf=30kΩ)

Line-Out level:

2.0Vrms @ 5kΩ, AVDD=PVDD=5.0V

2.0Vrms @ 5kΩ, AVDD=PVDD=3.3V

Regulator built-in

THD+N:

-60dB @ 16Ω, 50mW, AVDD=PVDD=5.0V

-60dB @ 16Ω, 20mW, AVDD=PVDD=3.3V

-100dB @ 5kΩ, 2Vrms, AVDD=PVDD=5.0V

-100dB @ 5kΩ, 2Vrms, AVDD=PVDD=3.3V

Low Power Shutdown Mode

0.1µA (typ)

Mute function at shutdown mode:

-88dB attenuation

No external component is required

Zero offset by ground-referenced output

Pop noise free at power-ON/OFF

Power Supply: 2.6V ~ 3.6V or 4.5V ~ 5.5V

Ta: −40 ∼ 85°C

Package: 12pin USON (2.2 x 2.9mm, 0.5mm pitch)

MS1077-E-01

2011/02

- 1 -

12 3 4 5 6 7...14

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