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PDF CXA3266Q Data sheet ( Hoja de datos )
| Número de pieza | CXA3266Q | |
| Descripción | PLL IC for LCD Monitor/Projector | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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PLL IC for LCD Monitor/Projector
CXA3266Q
Description
The CXA3266Q is a PLL IC for LCD monitors/
projectors with built-in phase detector, charge pump,
VCO and counter.
The various internal settings are performed by
serial data via a 3-line bus.
Applicable LCD monitor/projector resolution are
NTSC, PAL, VGA, SVGA, XGA, SXGA and UXGA
etc.
The CXA3266Q is the same package as the
previous CXA3106Q and CXA3106AQ. They have
the same pin configuration excluding Pin 38.
Features
• Supply voltage: 5 ± 0.25V single power supply
• Package: 48-pin QFP
• Power consumption: 328mW
• Sync input frequency: 10 to 120kHz
• Clock output signal frequency: 10 to 203MHz
• Clock delay: 8/32 to 48/32 CLK
• Sync delay: 8/32 to 48/32 CLK
• I/O level: TTL, PECL (complementary)
• Low clock jitter
• 1/2 clock output
• TTL output high level control function
48 pin QFP (Plastic)
Functions
• Phase detector enable
• UNLOCK output
• Output TTL disable function
• Power saving function (2 steps)
Applications
• CRT displays
• LCD projectors
• LCD monitors
• Multi-media
• Digital TV
Pin Configuration (Top View)
36 35 34 33 32 31 30 29 28 27 26 25
IOGND 37
VOCLP 38
PLLVCC 39
PLLGND 40
VCOVCC 41
VCOGND 42
VCOHGND 43
IREF 44
RC2 45
RC1 46
IRGND 47
IRVCC 48
24 DSYNC
23 CLK
22 CLKN
21 CLK/2
20 CLK/2N
19 DGND
18 DVCC
17 UNLOCK
16 DIVOUT
15 SEROUT
14 CS
13 TLOAD
1 2 3 4 5 6 7 8 9 10 11 12
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–
E99426-PS
1 page  
Pin Description and I/O Pin Equivalent Circuit
Pin Symbol I/O Reference
No. voltage level
Equivalent circuit
1 IOVCC
— 5V
2 IOGND —
18 DVCC
—
19 DGND
—
25 TTLGND —
0V
5V
0V
0V
26 TTLVCC — 5V
27 IOGND — 0V
28 PECLVCC — 5V
36 PECLVCC — 5V
37 IOGND — 0V
39 PLLVCC — 5V
40 PLLGND — 0V
41 VCOVCC — 5V
42 VCOGND —
43 VCOHGND —
47 IRGND —
0V
0V
0V
48 IRVCC
— 5V
CXA3266Q
Description
Digital power supply.
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor as
close to the pin as possible.
Digital GND.
Digital power supply.
Digital GND.
TTL output GND.
TTL output power supply.
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor as
close to the pin as possible.
Digital GND.
PECL output power supply.
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor as
close to the pin as possible.
PECL output power supply.
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor as
close to the pin as possible.
Digital GND.
PLL circuit analog power supply.
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor as
close to the pin as possible.
PLL circuit analog GND.
VCO circuit analog power supply.
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor as
close to the pin as possible.
VCO circuit analog GND.
VCO SUB analog GND.
IREF analog GND.
IREF analog power supply.
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor as
close to the pin as possible.
–5–
5 Page 
CXA3266Q
Pin
No.
Symbol
I/O
Reference
voltage level
Equivalent circuit
Description
35 VBB
O
PECLVCC
–1.7V
IOGND
PECLVCC
PECL reference voltage.
When used, ground this pin to the
ground pattern with a 0.1µF ceramic
chip capacitor as close to the pin as
35 possible.
IRVCC
44 IREF
— 1.2V
44
IRGND
IOGND
45 RC2
2.0
— to
4.4V
IRVCC
46 RC1
— 2.1V
IRGND
Charge pump current preparation.
Connect to GND via an external
resistor (3.0kΩ).
Ground this pin to the ground pattern
with a 0.1µF ceramic chip capacitor
as close to the pin as possible.
External pin for LPF.
See the Recommended Operating
Circuit for the external circuits. Note
that external resistors and capacitors
should be metal film resistors and
46
temperature compensation capacitors
45 which are relatively unaffected by
temperature change.
IOGND External pin for LPF.
See the Recommended Operating
Circuit for the external circuits.
– 11 –
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CXA3266Q.PDF ] | |
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