ASAHI KASEI

[AK5384]

MS0225-E-00

2003/05

- 1 -

GENERAL DESCRIPTION

The AK5384 is a 4-channel A/D Converter with wide sampling rate of 8kHz

∼ 96kHz and is suitable for

Multi-channel audio system. The AK5384 achieves high accuracy and low cost by using Enhanced dual

bit

∆Σ techniques. The AK5384 supports master mode and TDM format. Therefore, the AK5384 is

suitable for multi-channel audio system.

FEATURES

o 4-Channel

∆Σ ADC

o Differential Inputs

o Digital HPF for DC-Offset Cancel

o S/(N+D): 100dB@5V for 48kHz

o DR:

107dB@5V for 48kHz

o S/N:

107dB@5V for 48kHz

o Sampling Rate Ranging from 8kHz to 96kHz

o Master Clock:

256fs/384fs/512fs/768fs (

∼ 48kHz)

256fs/384fs

(

∼ 96kHz)

o TTL Digital Input Level

o Cascade TDM Interface

o Master & Slave Mode

o Overflow Flag

o Power Supply: 4.75 to 5.25V

o Power Supply for output buffer: 3.0 to 5.25V

o Ta =

−40 ∼ 85°C

o 28pin VSOP

∆Σ

Modulator

LIN1-

LRCK

BICK

SDTO1

VCOM

Clock Divider

AVSS

AVDD

Decimation

Filter

Audio

Interface

Voltage Reference

DVSS

DVDD

PDN

LIN1+

∆Σ

Modulator

RIN1-

Decimation

Filter

RIN1+

∆Σ

Modulator

LIN2-

Decimation

Filter

LIN2+

∆Σ

Modulator

RIN2-

Decimation

Filter

RIN2+

SDTO2

DIF

TDM0

M/S

MCLK

CKS

TDMIN

TDM1

TVDD

OVF

107dB 24-Bit 96kHz 4-Channel ADC

AK5384