CXA2515M/N
RF Amplifier for CD Player and CD-ROM
For the availability of this product, please contact the sales office.
Description
The CXA2515M/N is an IC for RF signal processing
of CD player and CD-ROM.
Features
•
Wide-band RF amplifier. (RF signal fc
≥
12MHz)
•
RF equalizer (T type)
•
EFM time constant can be adjusted
(with switching function)
•
APC (Automatic Power Control) function
•
Power saving function
•
Supports laser coupler
Functions
•
RF summing amplifier
•
RF equalizer
•
Focus error amplifier
•
Tracking error amplifier
•
APC circuit
CXA2515M
20 pin SOP (Plastic)
CXA2515N
20 pin SSOP (Plastic)
Absolute Maximum Ratings
•
Supply voltage
V
CC
•
Storage temperature Tstg
•
Allowable power dissipation
P
D
7
V
–65 to +150 °C
500
mW
Operating Conditions
•
Supply voltage
V
CC
– GND +3.0 to +5.5 V
•
Operating temperature Topr
–20 to +75 °C
Applications
•
CD players
•
CD-ROM drives
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–
E95910D8Y
CXA2515M/N
Pin
No.
Symbol
I/O
Equivalent circuit
Description
124
8
124
9
8
9
10
11
E
F
TE1
TE
I
I
O
O
124
11
320k
73.4k
124
10
Tracking error amplifier input
for Pins 8 and 9;
tracking error amplifier output
for Pin 10;
tracking error drive output for
Pin 11.
348k
12
FE
O
348k
124
12
Focus error amplifier output
for Pin 12.
13
RFO_2
O
124
14
13
Buffer switch output which
sets the RF signal time
constant.
OFF when Pin 19 is
connected to V
CC
, ON when
it is connected to GND.
1k
14
17
RFO_1
RF_M
O
I
124
17
2k
14
Non-inversion input of RF
drive amplifier for Pin 17;
RF signal output for Pin 14;
resistance value connected
between Pins 14 and 17
which determines the low
frequency gain of RF drive
amplifier.
124
15
15
LPF_SW
O
124
17
Transistor switch output
which sets the LPF cut-off
frequency of RF amplifier.
OFF when Pin 19 is
connected to V
CC
, ON when
it is connected to GND.
–4–
Embedded System
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EEWORLD
