HT82V738 Datasheet, PDF (1/9 Pages) Holtek Semiconductor Inc – 24-Bit Stereo Audio D/A Converter

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
RST
LR C K
SD ATA
D IF 0 D IF 1
M C LK
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
DS D AC
A n a lo g F ilte r
In te r p o la tio n
F ilte r
DS D AC
A n a lo g F ilte r
D e - e m p h a s is
E x te rn a l
M u te C o n tro l
S C L K /D E M 1
DEM 0
M U TEC
AO U TR
AO U TL
Pin Assignment
RST
SD ATA
S C L K /D E M 1
LR C K
M C LK
D IF 1
D IF 0
DEM 0
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
H T82V 738
1 6 N S O P -A
M U TEC
AO U TA
VA
AG ND
AO U TB
R E F_G N D
VQ
F IL T +
Rev. 1.00
1
October 16, 2003