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Número de pieza | CXA2542Q | |
Descripción | RF Signal Processing Servo Amplifier for CD Player | |
Fabricantes | Sony Corporation | |
Logotipo | ||
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No Preview Available ! CXA2542Q
RF Signal Processing Servo Amplifier for CD Player
Description
The CXA2542Q is a bipolar IC developed for CD
player RF signal processing and servo control.
48 pin QFP (Plastic)
Features
• Automatic focus bias adjustment circuit
• Automatic tracking balance and gain adjustment
circuits
• RF level control circuit
• Interruption countermeasure circuit
• Anti-shock circuit
• Defect detection and prevention circuits
• RF 1-V amplifier, RF amplifier
• APC circuit
• Focus and tracking error amplifier
• Focus, tracking and sled servo control circuits
• Focus OK circuit
• Mirror detection circuit
• Single power supply and dual power supplies
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
VCC 12 V
• Operating temperature Topr –20 to +75 °C
• Storage temperature Tstg –65 to +150 °C
• Allowable power dissipation
PD 1400 mW
Recommended Operating Conditions
Operating supply voltage VCC – VEE 3.0 to 5.5 V
Applications
CD players
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–
E96Y03-PS
1 page CXA2542Q
Pin
No.
Symbol
I/O
17 VCC
I
Equivalent circuit
17 VCC
Description
Positive power supply.
18 CLK
I
20 DATA
I
147 1k
18
20
Serial data transfer clock input from
20µ CPU. (no pull-up resistance)
Serial data input from CPU.
(no pull-up resistance)
19 XLT
I
21 XRST
I
22 C. OUT O
23 SENS1 O
24 SENS2 O
147 4k
19
21 2.5p
Latch input from CPU.
20µ (no pull-up resistance)
Reset input; resets at Low.
(no pull-up resistance)
20k
22 147
23
24
100k
Track number count signal output.
Outputs FZC, DFCT1, TZC, BALH,
TGH, FOH, ATSC, and others
according to the command from CPU.
Outputs DFCT2, MIRR, BALL, TGL,
FOL, and others according to the
command from the CPU.
25 FOK
O
20k
147
25
40k
100k
Focus OK comparator output.
–5–
5 Page CXA2542Q
TEST
T21
T22
T23
T24
T25
T26
T27
T28
T29
T30
T31
T32
T33
T34
T35
T36
T37
T38
T39
T40
T41
T42
Item
SW conditions
(ON switches)
SD
FOH threshold
39F
FOL threshold
Offset
GAIN UP (F) 14
GAIN UP (E) 15
Voltage gain
F0
14
Voltage gain
F1 14
Voltage gain 14
F2
Voltage gain
F3
14
Voltage gain
F4 14
Voltage gain 15
E0
Voltage gain
E1
15
Voltage gain
E2 15
Voltage gain 15
E3
Voltage gain
E4
15
Max. output
voltage – High 1
Max. output 1
voltage – Low
Output voltage
1
Output voltage
2
Output voltage
3
Output voltage
4
9
LD OFF
39F
34F
308
36F
308
36F
308
34F
34E
30F
34D
34B
347
34F
30F
00
30E
30D
30B
307
34F
308
34F
308
3C4
3C4
3C4
3C4
3C0
Input Measure-
pin ment pin
Measurement
conditions
Min. Typ. Max. Unit
IFB6: ON
48 Pin 1 voltage when SENS1
5 20 35 mV
(Pin 23) goes from High to Low
IFB6: ON
48 Pin 1 voltage when SENS2 –35 –20 –5 mV
(Pin 24) goes from High to Low
38
39
41 TOG: OFF,
BAL1, 2, 3: ON
–25 0 25 mV
38 41 V1 = 2 kHz, I/O ratio
7.2 10.2 13.2 dB
TOG: OFF, BAL1, 2, 3: ON
39 41 V1 = 2 kHz, I/O ratio
7.2 10.2 13.2 dB
TOG: OFF, BAL1, 2, 3: ON
38 41 V1 = 2kHz, TOG: OFF 1.2 4.2 7.2 dB
I/O ratio
38 41 V1 = 2kHz, TOG1: ON –2.3 –1.8 –1.3 dB
Reference to F0
38 41 V1 = 2kHz, TOG2: ON –3.9 –3.4 –2.9 dB
Reference to F0
38 41 V1 = 2kHz, TOG3: ON –6.9 –6.4 –5.9 dB
Reference to F0
38 41 V1 = 2kHz, TOG4: ON –11.1 –10.6 –10.1 dB
Reference to F0
39 41 V1 = 2kHz, BAL: OFF –1.6 1.4 4.4 dB
I/O ratio
39 41 V1 = 2kHz, BAL1: ON 0.16 0.46 0.76 dB
Reference to E0
39 41 V1 = 2kHz, BAL2: ON 0.58 0.88 1.18 dB
Reference to E0
39 41 V1 = 2kHz, BAL3: ON 1.43 1.73 2.03 dB
Reference to E0
39 41 V1 = 2kHz, BAL4: ON 2.96 3.26 3.56 dB
Reference to E0
38 41 V1 = 1VDC, TOG: OFF, 0.5 0.7 — V
BAL1, 2, 3: ON
39 41 V1 = 1VDC, TOG: OFF, — –0.8 –0.5 V
BAL1, 2, 3: ON
35 34 I1 = 364µA
–900 –704 –500 mV
35 34 I1 = 439µA
–693 –293 107 mV
35 34 I1 = 515µA
163 613 1063 mV
35 34
35 34
– 11 –
0.8mA sink
I1 = 515µA,
LD: OFF
–200 132 500 mV
1.1 1.3 — V
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet CXA2542Q.PDF ] |
Número de pieza | Descripción | Fabricantes |
CXA2542 | RF Signal Processing Servo Amplifier for CD Player | Sony Corporation |
CXA2542 | RF Signal Processing Servo Amplifier for CD Player | Sony Corporation |
CXA2542 | RF Signal Processing Servo Amplifier for CD Player | Sony Corporation |
CXA2542AQ | RF Signal Processing Servo Amplifier for CD Player | Sony Corporation |
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