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PDF CXA2066S Data sheet ( Hoja de datos )
| Número de pieza | CXA2066S | |
| Descripción | Preamplifier for High Resolution Computer Display | |
| Fabricantes | Sony Corporation | |
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CXA2066S
Preamplifier for High Resolution Computer Display
Description
The CXA2066S is a bipolar IC developed for high
resolution computer displays.
30 pin SDIP (Plastic)
Features
• Built-in wide band amplifier: 140MHz @ –3dB (Typ.)
• Input dynamic range: 1.0Vp-p (Typ.)
• High gain preamplifier (17dB)
• R, G, and B incorporated in a single package
• I2C bus control
Contrast control
Subcontrast control
Brightness control
OSD contrast control
Cutoff control 4-channel DAC output
2 blanking level modes (0.5V fixed and Pedestal –0.6V)
ABL control pin
• Built-in sync separator for Sync on Green
• Built-in blanking mixing function
• Built-in OSD mixing function
• Video period detection function
• Built-in sharpness function
• Built-in VBLK synchronous DAC refresh system
Applications
High resolution computer displays
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta = 25°C, GND = 0V)
• Supply voltage
VCC 14 V
VCC2
7
V
• Operating temperature
Topr –20 to +75 °C
• Storage temperature
Tstg –65 to +150 °C
• Allowable power dissipation PD
2.05 W
Recommended Operating Conditions
Supply voltage
VCC 12 ± 0.5
VCC2
5 ± 0.5
V
V
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–
E98210-PS
1 page  
Pin
No.
Symbol
Pin
voltage
Equivalent circuit
VCC
17 YS
VCC
10k
17
5k
CXA2066S
Description
YS (OSD_BLK) input.
VILMAX = 0.8V
VIHMIN = 2.8V
18 BLKING
VCC VCC
4k
VCC
10k
18
30k
Blanking pulse input.
Set the V blanking pulse width to
300µs or more.
VILMAX = 0.8V
VIHMIN = 2.8V
19 GND-B
23 GND-G
26 GND-R
0V
20 BOUT
24 GOUT
27 ROUT
21 S/H-B
25 S/H-G
28 S/H-R
22 VCC
12V
VCC 0.5p
VCC
620
20
24
27
VCC
VCC
1k
VCC
300
21
25
28 1k
GNDs.
R, G, and B signal outputs.
Brightness sample-and-hold. Connect
a capacitor to GND.
12V power supply.
–5–
5 Page 
CXA2066S
No. Measurement item Symbol
Sharpness
gain 1
SHP1
Sharpness
gain 2
8
Sharpness
gain 3
SHP2
SHP3
Measurement contents
Input a 30MHz sine wave to RGB at
an amplitude of 0.1Vp-p, and measure
the output level, and then calculate I/O
gain.
( )Output level
Gain difference [dB] = 20 log Input level
(Contrast = 7F/Sub Contrast = FF/
ABL = 0V)
SHP1: SHP GAIN = 0/T SW = 0
SHP2: SHP GAIN = F/T SW = 0
SHP3: SHP GAIN = 0/T SW = 1
SHP4: SHP GAIN = F/T SW = 0
Input signal
Min.
8.9
14.6
9.2
Typ.
10.9
16.6
11.2
Max.
12.9
18.6
13.2
Unit
dB
Sharpness
gain 4
SHP4
GND
0.1Vp-p
CLP potential (approximately 1.7V)
16.3 18.3 20.3
Input D range
(VIN = 0.7V)
9
Input D range
(VIN = 1.2V)
VIND1
VIND2
Measure the output level when
0.7Vp-p and 1.2Vp-p input video
signals are input.
(Contrast = CC, Sub Contrast = FF,
Brightness = 00)
3.8 4.3 4.8
Vp-p
5.8 6.3 6.8
SYNCSEP
output high level
SYNCHI
Input a Sync on Green video signal to
SYNCIN, and measure the CSYNC
4.1
4.4
4.7
high level and low level.
10
SYNCSEP
SYNCLO
output low level
CSYNC
GND
High level
Low level
100 200 300
V
mV
SYNCSEP
output rise delay
SDLYR
Input signal
11
SYNCSEP
SDLYF
output fall delay
CSYNC
Vth = 50%
Rise delay
Vth = 50%
Fall delay
– 11 –
42 50
ns
45 70
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet CXA2066S.PDF ] | |
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