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HT82V738 Datasheet

  • HT82V738

  • 24-Bit Stereo Audio D/A Converter

  • 120.95KB

  • 9頁

  • HOLTEK

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HT82V738
24-Bit Stereo Audio D/A Converter
Features
Single power supply voltage: 3V~5V
Low power consumption
Low distortion
Low clock jitter sensitivity
High SNR ratio and dynamic range
Low harmonic distortion
Wide temperature range
Control feature for click and Pops
On-chip digital de-emphasis for 32, 44.1 and 48kHz
16-pin NSOP package
Applications
DVD players
Home theater systems
Digital TV
Digital set top boxes
MP3 players
CD players
Automotive systems
General Description
The HT82V738 is a high performance audio DAC con-
verter. It provides digital de-emphasis (32, 44.1 and
48kHz), external mute control and adjustment for serial
data and clock. The HT82V738 accepts data at audio
rates up to 96kHz. It performs within a wide dynamic
range, high SNR ratio and has low clock jitter sensitivity.
HT82V738 is an ideal DAC for DVD players, MP3 play-
ers and set-top box systems. It is also pin-compatible
with CS4340.
Block Diagram
D IF 0
R S T
L R C K
S D A T A
S e r ia l
In p u t
In te rfa c e
In te r p o la tio n
F ilte r
In te r p o la tio n
F ilte r
D e - e m p h a s is
D S
D A C
D S
D A C
A n a lo g F ilte r
A n a lo g F ilte r
E x te rn a l
M u te C o n tro l
M U T E C
A O U T R
A O U T L
D IF 1
M C L K
S C L K /D E M 1
D E M 0
Pin Assignment
R S T
1
2
3
4
5
6
7
8
S D A T A
S C L K /D E M 1
L R C K
M C L K
D IF 1
D IF 0
D E M 0
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
M U T E C
A O U T A
V A
A G N D
A O U T B
R E F _ G N D
V Q
F IL T +
H T 8 2 V 7 3 8
1 6 N S O P -A
Rev. 1.00
1
October 16, 2003

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