AK4384 Datasheet, PDF (1/22 Pages) Asahi Kasei Microsystems – 106dB 192kHz 24-Bit 2ch DAC

ASAHI KASEI
[AK4384]
AK4384
106dB 192kHz 24-Bit 2ch ∆Σ DAC
GENERAL DESCRIPTION
The AK4384 offers the perfect mix for cost and performance based audio systems. Using AKM's multi bit
architecture for its modulator the AK4384 delivers a wide dynamic range while preserving linearity for
improved THD+N performance. The AK4384 integrates a combination of SCF and CTF filters increasing
performance for systems with excessive clock jitter. The 24 Bit word length and 192kHz sampling rate
make this part ideal for a wide range of applications including DVD-Audio. The AK4384 is offered in a
space saving 16pin TSSOP package.
FEATURES
o Sampling Rate Ranging from 8kHz to 192kHz
o 128 times Oversampling (Normal Speed Mode)
o 64 times Oversampling (Double Speed Mode)
o 32 times Oversampling (Quad Speed Mode)
o 24-Bit 8 times FIR Digital Filter
o SCF with High Tolerance to Clock Jitter
o 2nd order Analog LPF
o Single Ended Output Buffer
o Digital de-emphasis for 32k, 44.1k and 48kHz sampling
o Soft mute
o Digital Attenuator (Linear 256 steps)
o I/F format: 24-Bit MSB justified, 24/20/16-Bit LSB justified or I²S
o Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode)
128fs, 192fs, 256fs or 384fs (Double Speed Mode)
128fs, 192fs (Quad Speed Mode)
o THD+N: -94dB
o Dynamic Range: 106dB
o Power supply: 4.5 to 5.5V
o Very Small Package: 16pin TSSOP (6.4mm x 5.0mm)
P/S
MCLK
SMUTE/CSN
ACKS/CCLK
DIF0/CDTI
LRCK
BICK
SDTI
µP
Interface
De-emphasis
Control
Clock
Divider
Audio
ATT
8X
Interpolator
∆Σ
Modulator
SCF
LPF
Data
Interface
ATT
8X
Interpolator
∆Σ
Modulator
SCF
LPF
VDD
VSS
VCOM
DZFL
DZFR
AOUTL
AOUTR
PDN
MS0176-E-00
-1-
2002/09