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PDF CXA2543R Data sheet ( Hoja de datos )
| Número de pieza | CXA2543R | |
| Descripción | Decoder/Driver/Timing Generator for Color LCD Panels | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXA2543R
Decoder/Driver/Timing Generator for Color LCD Panels
Description
The CXA2543R is an IC designed exclusively to
drive the color LCD panel DCX501BK and LCX018AK.
This IC greatly reduces the number of circuits and
parts required to drive LCD panels by incorporating
RGB decoder functions for video signals, driver
functions, and a timing generator for driving panels
onto a single chip.
This chip has a built-in serial interface circuit and
electronic attenuators which allow various mode
settings and adjustments to be performed through
direct control from an external microcomputer, etc.
Features
• Color LCD panel DCX501BK and LCX018AK driver
• Supports NTSC and PAL signals
• Supports 16:9 wide display
• Supports composite inputs, Y/C inputs and Y/color
difference inputs
• Serial interface circuit
• Electronic attenuators (D/A converter)
• BPF, trap and delay line
• Sharpness function
• 2-point γ correction circuit
• R, G, B signal delay time adjustment circuit
• Polarity inversion circuit (line inverted mode)
• Supports external RGB input
• Supports AC drive for LCD panel during no signal
Applications
• Compact LCD monitors
• LCD viewfinders
• Compact liquid crystal projectors, etc.
64 pin LQFP (Plastic)
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
VCC1 – GND1 6
V
VCC2 – GND2 14
V
VCC3 – GND3 14
V
VDD1 – VSS1 4.5
V
VDD1 – VSS2 4.5
V
• Analog input pin voltage VINA –0.3 to VCC V
• Digital input pin voltage VIND –0.3 to VDD1 + 0.3 V
• Operating temperature Topr –15 to +75 °C
• Storage temperature Tstg
• Allowable power dissipation∗1
–40 to +125 °C
PD (Ta ≤ 75°C) 350 mW
Operating conditions
Supply voltage VCC1 – GND1
VCC2 – GND2
VCC3 – GND3
VDD1 – VSS1
VDD1 – VSS2
4.25 to 5.25
11.0 to 13.5
11.0 to 13.5
2.7 to 3.6
2.7 to 3.6
V
V
V
V
V
∗1 With substrate Size: 30 × 30 × 1.6mm
Material: Glass fabric base epoxy
Structure
Bipolar CMOS 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–
E98403-PS
1 page  
Analog Block Pin Description
Pin
No.
Symbol Pin voltage
1 TRAP
—
2 GND1
0V
3 SYNC IN
1.5V
CXA2543R
Equivalent circuit
Description
VCC1
1
GND1
VDD1
3
GND1
70µA
1k
300
130µA
External trap connection.
Connect the trap between this
pin and GND to remove the
chroma component.
Leave this pin open when
using Y/C and Y/color
difference input.
Analog (4.5V) GND.
1k
1k
30µA
Sync input.
2.1V Normally inputs the Y signal.
The standard signal input level
is 0.5Vp-p (100% white level
from the sync tip).
4 H.FIL OUT 0.8V
5 S.SEP IN
2.1V
VDD1
4
GND1
20k
20k
Outputs the video signal for
input to the sync separation
circuit.
VDD1
5
17k
GND1
10µA
1.8V 2.8V
Sync separation circuit input.
Input the H.FIL OUT (4pin)
signal.
–5–
5 Page 
CXA2543R
Electrical Characteristics — DC Characteristics
Unless otherwise specified, Settings 1 and 2 and the following setting conditions are required.
VCC1 = 4.5V, VCC2 = 12.0V, VCC3 = 12.0V, GND1 = GND2 = GND3 = 0V, VDD1 = 3.0V, VSS1 = VSS2 = 0V, Ta = 25°C
SW54, SW62, SW64 = ON
SW6, SW7, SW8, SW59 = A
SW51, SW52 = B
V54 = 0V, V62 = 2.2V
Set the serial bus registers to the "Serial Bus Register Initial Settings". Unspecified the serial bus registers
should be set to default settings.
Item Symbol
Conditions
Power supply characteristics
ICC11
Input SIG4 to (A) and SIG2 (0dB) to (B).
Measure the ICC1 current value.
COMP input mode
Current
consumption
VCC1
ICC12
ICC13
Input SIG4 to (A) and SIG2 (0dB) to (B).
Measure the ICC1 current value.
Y/C input mode
Input SIG4 to (A), (D) and (E).
Measure the ICC1 current value.
SW51, SW52 = A, SW59 = B
Y/color difference input mode
Current
consumption
VCC2, 3
ICC2A
ICC2B
Input SIG4 to (A) and SIG2 (0dB) to (B).
Measure the ICC2 current value.
PSIG load capacity CLP = 0pF
Input SIG4 to (A) and SIG2 (0dB) to (B).
Adjust PSIG-BRT of the serial bus and measure the
ICC2 current value when TP39 output is set to 5Vp-p.
PSIG load capacity CLP = 10000pF
Current
consumption VDD
IDD1
IDD2
Input SIG4 to (A) and SIG2 (0dB) to (B).
Measure the IDD current value.
DCX501 and LCX018 (4:3) mode
Input SIG4 to (A) and SIG2 (0dB) to (B).
Measure the IDD current value.
LCX018 (16:9) mode
Min.
23
21
17
6
6
6
7.5
Typ.
30
28
23
8
8.3
8
10
Max. Unit
37 mA
35 mA
29 mA
10 mA
10.5 mA
10 mA
12.5 mA
– 11 –
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CXA2543R.PDF ] | |
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