AK5359 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK5359

24-Bit 192kHz ∆Σ ADC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK5359]

AK5359

24-Bit 192kHz ∆Σ ADC

GENERAL DESCRIPTION

The AK5359 is a stereo A/D Converter with wide sampling rate of 8kHz ∼ 216kHz and is suitable for

consumer to professional audio system. The AK5359 achieves high accuracy and low cost by using

Enhanced dual bit ∆Σ techniques. The AK5359 requires no external components because the analog

inputs are single-ended. The audio interface has two formats (MSB justified, I2S) and can correspond to

various systems like DTV, DVR and AV Receiver.

FEATURES

† Linear Phase Digital Anti-Alias Filtering

† Single-ended Input

† Digital HPF for DC-Offset cancel

† S/(N+D): 94dB

† DR:

102dB

† S/N:

102dB

† Sampling Rate Ranging from 8kHz to 216kHz

† Master Clock:

256fs/384fs/512fs/768fs (8kHz ∼ 54kHz)

256fs/384fs

(54kHz ∼ 108kHz)

256fs/384fs

(108kHz ∼ 216kHz)

† Input level: CMOS

† Master / Slave Mode

† Audio Interface: 24bit MSB justified / I2S selectable

† Power Supply: 4.5 ∼ 5.5V (Analog), 3.0 ∼ 5.5V (Digital)

† Ta = −20 ∼ 85°C (ET), −40 ∼ 85°C (VT)

† Small 16pin TSSOP Package

† AK5357/58/81 Pin-compatible

VA AGND VD DGND

MCLK

AINL

AINR

VCOM

∆Σ

Modulator

∆Σ

Modulator

Voltage Reference

Decimation

Filter

Decimation

Filter

Clock Divider

Serial I/O

Interface

LRCK

SCLK

SDTO

CKS2 CKS1 CKS0

PDN

DIF

MS0428-E-00

-1-

2005/09

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