AK5351 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK5351

Enhanced Dual bit ∆Σ 20bit ADC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK5351]

AK5351

Enhanced Dual bit ∆Σ 20bit ADC

GENERAL DESCRIPTION

The AK5351 is a 20-bit, 64x oversampling rate(64fs), 2-channel A/D converter for stereo digital systems.

The ∆Σ modulator in the AK5351 uses the new developed Enhanced Dual bit architecture. This new

architecture achieves the wider dynamic range, while keeping much the same superior distortion

characteristics as the conventional Single bit way. The AK5351 is suitable for digital surround and Hi-Fi

audio application such as Car-audio, MD, etc. Analog inputs of the AK5351 are normally Full-differential inputs,

while they are also acceptable Single-ended inputs.

The AK5351 is available in a small 24pin VSOP package which will reduce your system space.

FEATURES

† Full-differential / Single-ended inputs

† S/(N+D): 97dB

† DR, S/N: 103dB

† Linear phase digital filter

Pass band: 0~22kHz(@fs=48kHz)

Pass band ripple: ±0.005dB

Stop band attenuation: 80dB

† Digital HPF for DC-offset cancel

† Master clock: 256fs/384fs

† Power supply: 5V±10%

† Small package: 24pinVSOP

0166-E-00

-1-

1997/4

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