BU9354KV
Optical Discs
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System LSI for CD player
BU9354KV


BU9354KV is system LSI for CD player that integrates pre-servo amplifier, signal processing, RAM control for anti-shock
and D/A converter for audio into a single chip. Built-in programmable sequencer controller enables to construct optional
servo algorithm and servo filter.



!Applications !External dimensions (Units : mm)
Portable CD player


!Features
1) Low power consumption design considering operation
by using RAM controller.
2) Programmable structure including servo filter.
3) Built-inx4 speed CMOS structure RF block and signal
processing circuit.
4) Built-in RAM controller for 4M, 16M DRAM.
5) MP3 decoder connectable.






!Absolute maximum ratings (Ta=25°C)
Parameter Symbol Limits Unit
Vcc
Pd
Topr
Tstg
3.5
1.0 W
V
∗
−10 ∼ +75
−55 ∼ +125
∗ Derating : 10mW/ C for operation above Ta=25 C.
C
C
Supply voltage
Power dissipation
Perating temperature range
Storage temperature range



!Recommended Operating Conditions (Ta=25°C)
DVDD
DVDDIO
1.51.42 1.65
2.5
V
V
AVDD1
AVDD2 2.25
2.0
2.01.95
1.85
1.95
2.50
2.65
V
V
Parameter Min. Max. UnitTyp.Symbol
Digital core power supply
Digital I/O power supply
Analog power supply
Audio analog power supply







VQFP100
75 51
50
26
251
76
100
14.0 ± 0.1
16.0 ± 0.2
14.0
±
0.1
16.0
±
0.2
1.4
±
0.05
0.145
0.5
±
0.15
0.1
±
0.05
1.0
±
0.2
1.6Max.
+0.05
−0.040.2
0.5 ± 0.1
1.0
1.0
4˚
+6˚
−4˚
+0.05
-0.03
0.08 S
0.08 M