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2
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ASAHI KASEI
[AK4386]
MS0280-E-00
2003/12
- 1 -
GENERAL DESCRIPTION
The AK4386 is a 24bit low voltage & low power stereo DAC. The AK4386 uses the Advanced Multi-Bit
∆Σ
architecture, this architecture achieves DR=100dB at 3V operation. The AK4386 integrates a
combination of SCF and CTF filters increasing performance for systems with excessive clock jitter. The
AK4386 is suitable for the portable audio system like MP3 and the home audio systems like STB and TV,
etc as low power and small package. The AK4386 is offered in a space saving 16pin TSSOP package.
FEATURES
o
Sampling Rate: 8kHz
¢
96kHz
o
24-Bit 8 times FIR Digital Filter
o
SCF with high tolerance to clock jitter
o
Single-ended output buffer
o
Digital de-emphasis for 44.1kHz sampling
o
I/F Format: 24-Bit MSB justified, 16/24-Bit LSB justified, I
2
S Compatible
o
Master Clock:
512/768/1024/1536fs for Half Speed (8kHz
¢
24kHz)
256/384/512/768fs for Normal Speed (8kHz
¢
48kHz)
128/192/256/384fs for Double Speed (48kHz
¢
96kHz)
o
CMOS Input Level
o
THD+N:
ó
86dB
o
DR, S/N: 100dB(@VDD=3.0V)
o
Power Supply: 2.2 to 3.6V
o
Ta =
ó
40
¢
85
p
C
o
16pin TSSOP
LRCK
BICK
SDTI
Audio
Data
Interface
MCLK
DIF1
∆Σ
Modulator
LOUT
8X
Interpolator
SCF
CTF
ROUT
VDD
VSS
VCOM
De-emphasis
Control
PDN
Clock
Divider
DFS1
DFS0
∆Σ
Modulator
8X
Interpolator
SCF
CTF
DEM
TEST
DIF0
100dB 96kHz 24-Bit 2ch
ÜÍ
DAC
AK4386
AK4386
Marantz
Technical Service Manual
Содержание LC3701E
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