ak5381 AKM Semiconductor, Inc., ak5381 Datasheet

ak5381

Manufacturer Part Number

ak5381

Description

24bit 96khz ?? Adc

Manufacturer

AKM Semiconductor, Inc.

Datasheet

1.AK5381.pdf (20 pages)

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ASAHI KASEI

The AK5381 is a stereo A/D Converter with wide sampling rate of 4kHz ∼ 96kHz and is suitable for

High-end audio system. The AK5381 achieves high accuracy and low cost by using Enhanced dual bit ∆Σ

techniques. The AK5381 requires no external components because the analog inputs are single-ended.

The audio interface has two formats (MSB justified, I

instrument and AV receiver.

MS0200-E-02

VCOM

AINR

AINL

CKS2

Stereo ∆Σ ADC

Ta = −40 ∼ 85°C (VT), −20 ∼ 85°C (ET)

On-Chip Digital Anti-Alias Filtering

Single-ended Input

Digital HPF for DC-Offset cancel

S/(N+D):

DR:

S/N:

Sampling Rate Ranging from 4kHz to 96kHz

Master Clock:

Audio Interface: Master or Slave Mode selectable

Input level: TTL/CMOS selectable

Output format: 24bit MSB justified / I

Power Supply: 4.5 ∼ 5.5V (VA)

Small 16pin TSSOP Package

AK5380 Pin-compatible

Voltage Reference

AK5381 does not support TTL level mode at fs=48kHz to 96kHz.

∆Σ

Modulator

∆Σ

Modulator

256fs/384fs/512fs/768fs (∼ 48kHz)

256fs/384fs

CKS1

AGND

106dB@5V for 48kHz

96dB@5V for 48kHz

GENERAL DESCRIPTION

CKS0

2.7 ∼ 5.5V (VD at 48kHz)

3.0 ∼ 5.5V (VD at 96kHz)

DGND

FEATURES

Decimation

- 1 -

Filter

S) and can correspond to many systems like music

(∼ 96kHz)

PDN

S selectable

Clock Divider

24Bit 96kHz ∆Σ ADC

Serial I/O

Interface

MCLK

DIF

AK5381

LRCK

SCLK

SDTO

[AK5381]

2006/01

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