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CXA2556 PDF даташит

Спецификация CXA2556 изготовлена ​​​​«Sony Corporation» и имеет функцию, называемую «RF Amplifier for CD Player/CD-ROM».

Детали детали

Номер произв CXA2556
Описание RF Amplifier for CD Player/CD-ROM
Производители Sony Corporation
логотип Sony Corporation логотип 

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CXA2556 Даташит, Описание, Даташиты
CXA2556Q
RF Amplifier for CD Player/CD-ROM
For the availability of this product, please contact the sales office.
Description
The CXA2556Q is an IC for RF signal processing of
32 pin QFP (Plastic)
CD player and CD-ROM.
Features
Wide-band RF AC amplifier
(RF AC signal fc 20MHz)
4-mode RF equalizer (active filter type)
RF equalizer boost amount and cut-off frequency
adjustable
EFM time constant adjustable (switching function
provided)
Peak hold time constant of mirror circuit adjustable
Tracking error amplifier cut-off frequency adjustable
Tracking error amplifier voltage gain adjustable
APC (Automatic Power Control) function
APC ON/OFF control
Absolute Maximum Ratings
Supply voltage
VCC
Storage temperature Tstg
Power consumption PD
7
–65 to +150
800
V
°C
mW
Applications
CD players
CD-ROM drives
Functions
RF summing amplifier
RF equalizer
Focus error amplifier
Tracking error amplifier
Mirror detection function
APC circuit
Operating Conditions
Supply voltage
VCC – GND 3.0 to 5.5 V
Operating temperature Topr
–20 to +75 °C
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–
E96731B76









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CXA2556 Даташит, Описание, Даташиты
Block Diagram
CXA2556Q
32 31 30 29 28 27 26 25
LD 1
PD 2
A3
B4
C5
D6
GND 7
GND
NC 8
APC ON
VCA
BOOST FILTER
CONTROL CONTROL CONTROL
LPF DELAY
MODE
SW
MIXER LPF
VCA
HPF
VS
BOOST
VCC
VC
44k 39k
18k
VC
44p
10p
HOLD
PEAK
/BOT
80k
80k
80k
80k
22k
Vcc
20k
VC 1.3V 51k
24 MODE 1
23 MODE 2
22 RFO 1
21 RFO 2
56k 10k 10k
1.25V
1k 56k
10k
VC
VC
40k
40k
40k 10k
40k
55k
VCA
VCC
Open only for
L/L mode VC
40k 20k
1.25V
40k
20k
32k
32k
VCC
40k
VS
40k
VC
87k 27p
VC
VCC
20 VCC
19 MIRR
18 CP
32k
VC 174k
VCA
73.34k
32k
17 MIRR T
320k
164k
27p
2p
9 10 11 12 13 14 15 16
–2–









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CXA2556 Даташит, Описание, Даташиты
Pin Description
Pin
No.
Symbol
I/O
1 LD
O
Equivalent circuit
10k
1
855
CXA2556Q
Description
APC amplifier output.
2 PD
I
2
8k
55k APC amplifier input.
10k
3A
4B
5C
6D
147
3
40k
40k
40k
40k
147 32k
4
I
I 32k
I
I 147 32k
5
7 GND
147
6
32k
10k
Input of RF summing amplifier
and focus error amplifier.
174k
164k
Ground.
9E
10 F
11 TE1
12 TE C
13 TE
9
I
I
O
I 13
O
147
147
147
160k
147
VCA
36.7k
147
10
Tracking error amplifier input for
Pins 9 and 10; tracking error
amplifier output for Pin 11;
11 tracking error amplifier low-
frequency gain setting for Pin
12; tracking error amplifier
output for Pin 13.
12
–3–










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