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PDF CXA2571N Data sheet ( Hoja de datos )
| Número de pieza | CXA2571N | |
| Descripción | RF Matrix Amplifier | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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RF Matrix Amplifier
CXA2571N
Description
The CXA2571N is an IC developed for the RF
signal processing of compact disc players.
30 pin SSOP (Plastic)
Features
• Wide band RF signal processing
• RF system VCA circuit
• RF system equalizer (supports CAV mode)
• Supports pickups with built-in RF summing amplifier
• Low power consumption mode (EQ Pass mode)
• RW/ROM switching mode
• Center error amplifier
• Output DC level shift circuit
Functions
• RFAC summing amplifier, equalizer, VCA
• RFDC summing amplifier
• Focus error amplifier
• Tracking error amplifier
• Automatic power control
• VC buffer amplifier (analog system, digital system)
Absolute Maximum ratings
• Supply voltage
Vcc
• Operating temperature Topr
• Storage temperature Tstg
• Allowable power dissipation
PD
7V
–20 to +75 °C
–65 to +150 °C
620 mW
Operating Conditions
• Supply voltage
Vcc – GND 3.0 to 5.5 V
• Operating temperature Topr
–20 to +75 °C
Applications
CD-ROM/RW compatible systems
Structure
Bipolar silicon monolithic IC
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–
E98260A98-PS
1 page  
CXA2571N
Pin
No.
Symbol
I/O
6A
I
7B
8C
9D
6
I
7
I8
9
I
Equivalent circuit
Description
100µA
100µA
15k
30k
RF summing amplifier and
focus error amplifier input.
100µA
100µA
47k
VC
47k
10 E
11 F
20 TE
I
10
I
11
O
12 SW
I
15 VCC
—
16 RFAC
O
27k 27k
200k
200k
12
200k
—
124
20
Tracking error amplifier input.
Tracking error amplifier
output.
CD-ROM/RW switching input.
RW when connected to VCC,
ROM when connected to
GND.
Power supply.
2mA
100
16
RFAC amplifier output.
17 DVC
O
150k
25
150k
17
–5–
(DVCC + GND)/2 voltage
output.
5 Page 
Electrical Characteristics Measurement Circuit
CXA2571N
VCC
VCC
1.9V
5.1k 10k
S12
5.1k
E5
E4
E3
30 29 28 27 26 25 24 23
200k 10k 10k 100k 10k
22 21 20 19 18 17
10k
16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
S1 S2 S3
10k
10k 10k S11
E2 S4 VEE S5 S6 S7 S8 S9 S10
–1.9V
20k 200k
DVCC
0.8mA
VEE VCC
VCC
VEE
V1
E1
– 11 –
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet CXA2571N.PDF ] | |
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