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 Output format: 24bit MSB justified, I2S or TDM
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
ModulatorLIN1-
LRCK
BICK
SDTO1
VCOM Clock Divider
AVSSAVDD
Decimation
Filter
Audio
Interface
Voltage Reference
DVSSDVDD
PDN
LIN1+
∆Σ
ModulatorRIN1-
Decimation
Filter
RIN1+
∆Σ
ModulatorLIN2-
Decimation
Filter
LIN2+
∆Σ
ModulatorRIN2-
Decimation
Filter
RIN2+
SDTO2
DIF
TDM0
M/S
MCLK
CKS
TDMIN
TDM1
TVDD
OVF

107dB 24-Bit 96kHz 4-Channel ADC
AK5384