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Sony Semiconductor Electronic Components Datasheet

CXA2550M Datasheet

RF Amplifier For CD Players

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RF Amplifier for CD Players
CXA2550M/N
Description
The CXA2550M/N is an IC developed for compact
disc players. This IC incorporates an RF amplifier,
focus error amplifier, tracking error amplifier, APC
circuit and RF level control circuit. (The voltage-
converted optical pickup output is supported.)
CXA2550M
20 pin SOP (Plastic)
CXA2550N
20 pin SSOP (Plastic)
Features
Low power consumption (35mW at 3.5V)
APC circuit
RF level control circuit
Both single power supply and dual power supply
operations possible.
Structure
Bipolar silicon monolithic IC
Applications
Compact disc players
Block Diagram and Pin Configuration (Top View)
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage VCC 12
Operating temperature Topr –20 to +75
Storage temperature Tstg –65 to +150
Allowable power dissipation
PD (SOP) 620
(SSOP) 370
V
°C
°C
mW
mW
Operating Conditions
Supply voltage
VCC – VEE 3.0 to 4.0
V
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E97514B25


Sony Semiconductor Electronic Components Datasheet

CXA2550M Datasheet

RF Amplifier For CD Players

No Preview Available !

Pin Description
Pin
No.
Symbol
I/O
Equivalent circuit
1 AGCVTH
50µ
147
1
13.4k
10µ
CXA2550M/N
Description
Reference level variable pin for RF
level control.
The reference level can be varied by
the external resistor.
2 LD
O
10k
2
1k
APC amplifier output pin.
3 PD
I
147
3
20µ
55k APC amplifier input pin.
10k
4 PD1
5 PD2
I
I
10k
Inversion input pin for RF I-V
amplifiers.
4 Connect these pins to the
5 photodiodes A + C and B + D
100µ respectively. The current is supplied.
6 VEE
6
VEE VEE pin.
2


Part Number CXA2550M
Description RF Amplifier For CD Players
Maker Sony Electronics
Total Page 15 Pages
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