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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
Sampling Rate Ranging from 8kHz to 192kHz
128 times Oversampling (Normal Speed Mode)
64 times Oversampling (Double Speed Mode)
32 times Oversampling (Quad Speed Mode)
24-Bit 8 times FIR Digital Filter
SCF with High Tolerance to Clock Jitter
2nd order Analog LPF
Single Ended Output Buffer
Digital de-emphasis for 32k, 44.1k and 48kHz sampling
Soft mute
Digital Attenuator (Linear 256 steps)
I/F format: 24-Bit MSB justified, 24/20/16-Bit LSB justified or I
2
S
Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode)
128fs, 192fs, 256fs or 384fs (Double Speed Mode)
128fs, 192fs (Quad Speed Mode)
THD+N: -94dB
Dynamic Range: 106dB
Power supply: 4.5 to 5.5V
Very Small Package: 16pin TSSOP (6.4mm x 5.0mm)
LRCK
BICK
SDTI
Audio
Data
Interface
MCLK
PDN
∆Σ
Modulator
AOUTL
8X
Interpolator
SCF
LPF
AOUTR
VDD
VSS
VCOM
De-emphasis
Control
P/S
µP
Interface
Clock
Divider
SMUTE/CSN
ACKS/CCLK
DIF0/CDTI
∆Σ
Modulator
8X
Interpolator
DZFR
DZFL
SCF
LPF
ATT
ATT
106dB 192kHz 24-Bit 2ch
∆Σ
DAC
AK4384
89
HK3490
harman/kardon
Содержание Harman/kardon HK3490
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