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PDF CXA2075M Data sheet ( Hoja de datos )
| Número de pieza | CXA2075M | |
| Descripción | encoder IC that converts | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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RGB Encoder
CXA2075M
Description
The CXA2075M is an encoder IC that converts
analog RGB signals to a composite video signal.
This IC has various pulse generators necessary for
encoding. Composite video outputs and Y/C outputs
for the S terminal are obtained just by inputting
composite sync, subcarrier and analog RGB signals.
It is best suited to image processing of personal
computers and video games.
Compared to the CXA1645M, the CXA2075M has
superior points as follows:
1. The number of parts reduced (5 parts)
Clamp capacitor
Regulator capacitor resistor
www.DataSheeRt4esUis.ctoormfor filter
2. External parts reduced by the internal TRAP
(External TRAP can be also selected)
3. Higher band of R, G, B OUT
Features
• Single 5V power supply
• Compatible with both NTSC and PAL systems
• Built-in 75Ω drivers
(RGB output, composite video output, Y output, C
output)
• Both sine wave and pulse can be input as a
subcarrier.
• Built-in band-pass filter for the C signal and delay
line for the Y signal
• Built-in R-Y and B-Y modulator circuits
• Built-in PAL alternate circuit
• Burst flag generator circuit
• Half H killer circuit
Block Diagram and Pin Configuration
24 pin SOP (Plastic)
Applications
Video games and personal computers
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
• Supply voltage VCC 12
V
• Operating temperature Topr –20 to +75
°C
• Storage temperature Tstg –65 to +150 °C
• Allowable power dissipation
PD 780 mW
• Input pin applied voltage
RIN, GIN, BIN, SCIN, NPIN, SYNCIN and Vcc pins
voltage or below, GND pin voltage or above
Recommended Operating Condition
Supply voltage
VCC1, 2 5.0 ± 0.25 V
24 23 22 21 20 19 18 17 16 15 14 13
R-OUT
G-OUT
B-OUT
VIDEO
OUT
Y/C MIX
TRAP
SWITCH
INTERNAL
TRAP
DELAY
SYNC
ADD
LPF
LPF
75 75
DRIVER DRIVER
R-Y
Modulator
B-Y
Modulator
BPF
REGULATOR
CLAMP
SIN-PULSE
PHASE
SHIFTER
PULSE
GEN
123
456
78
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–
E96X23
1 page  
CXA2075M
Electrical Characteristics (Ta = 25°C, VCC = 5V, See the Electrical Characteristics Measurement Circuit.)
Item
Current
consumption 1
Current
consumption 2
(R, G, BOUT)
Symbol
ICC1
ICC2
S1 S2 S3 S4
RIN
GIN
SCIN NPIN SYNC
Measure-
ment
pin
BIN IN
Measurement
conditions
ICC1
2.75V SG4 5V SG5
ICC2
No input signal,
SG5: CSYNC
TTL level,
SG4: SIN wave
3.58MHz
0.5Vp-p
Fig. 1
Min. Typ. Max. Unit
— 67 —
mA
— 40 —
www.DataSRvhoGelteBagto4euUtp.cutom
VO (R)
VO (G)
VO (B)
SG1
SG2
SG3
D
SG1 to SG3:
DC direct
coupling 3.2VDC,
2V E
1.0Vp-p
f = 200kHz
0.64 0.69 0.72 V
Pin 9 = Clamp
F
voltage∗
Fig. 2
RGB output
frequency
characteristics
fC (R)
fC (G)
fC (B)
SG1
SG2
SG3
D
SG1 to SG3:
DC direct
–5 –3.2 — dB
coupling 3.2VDC,
2V E
1.0Vp-p
f = 27MHz/200kHz
–5
–3.4
—
dB
Pin 9 = Clamp
F
voltage
Fig. 3
–5
–3.8
—
dB
(YOUT)
Output sync level VO (YS1/2)
R100%: Y level
G100%: Y level
B100%: Y level
VO (YR1/2)
VO (YG1/2)
VO (YB1/2)
SG1
to
SG3
0V
5V SG5
White 100%: Y level VO (YW1/2)
B
Output frequency
characteristics
fC (Y1/2)
SG1
to 0V 5V 2V
SG3
(CVOUT)
SG1 to SG3:
100% color bar
input,
1.0Vp-p (Max.)
SG5: CSYNC
TTL level
Fig. 4
0.24 0.27 0.31
0.19 0.215 0.24
0.38 0.405 0.43 Vp-p
0.06 0.076 0.09
0.63 0.682 0.79
SG1 to SG3:
DC direct
coupling 3.2VDC,
1.0Vp-p
f = 5MHz/200kHz
Pin 9 = Clamp voltage
–1
–0.13
—
dB
Output sync level VO (YS1/2)
R100%: Y level
G100%: Y level
B100%: Y level
VO (YR1/2)
VO (YG1/2)
VO (YB1/2)
SG1
to
SG3
0V
5V SG5
White 100%: Y level VO (YW1/2)
C
SG1 to SG3:
100% color bar
input,
1.0Vp-p (Max.)
SG5: CSYNC
TTL level
Fig. 4
0.22 0.24 0.27 Vp-p
0.18 0.208 0.23 V
0.35 0.376 0.41 V
0.055 0.071 0.085 V
0.61 0.66 0.75 V
Output frequency fC (Y1/2)
characteristics
SG1
to 0V 5V 2V
SG3
SG1 to SG3:
DC direct
coupling 3.2VDC,
1.0Vp-p
f = 5MHz/200kHz
Pin 9 = Clamp voltage
∗ Clamp voltage: voltage appearing at Pin 9 when CSYNC is input.
–5–
–3.3
–1.53
—
dB
5 Page 
CXA2075M
Application Circuit (PAL internal TRAP mode)
220µ
47µ
220µ
75
GND2
220µ
75
ROUT
220µ
75
GOUT
240
43
BOUT
0.01µ
CVOUT
Vcc2
24 23 22 21 20 19
∗ 2.61k/1%
for
PAL
NC
220µ
75
YTRAP
220µ
75
YOUT
COUT
18 17
16 15
NC
14
NC
13
R-OUT
G-OUT
B-OUT
VIDEO
OUT
Y/C MIX
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TRAP
SWITCH
INTERNAL
TRAP
DELAY
SYNC
ADD
LPF
LPF
75 75
DRIVER DRIVER
R-Y
Modulator
B-Y
Modulator
BPF
REGULATOR
CLAMP
SIN-PULSE
PHASE
SHIFTER
PHASE
SHIFTER
1
GND1
2
RIN
0.1µ
3
GIN
0.1µ
4
BIN
0.1µ
5
NC
6
SCIN
78
NPIN BFOUT
9
NC
10
SYNC
IN
11 12
NC Vcc1
0.01µ
47µ
∗ Metal film resistor ±1%
Vcc
+5V
Application Circuit (PAL external TRAP mode)
47µ
220µ
220µ
75
GND2
220µ
75
ROUT
220µ
75
GOUT
240 0.01µ
43
BOUT
CVOUT
Vcc2
24 23 22 21 20 19
NC
18
220µ
220µ
75 75
YTRAP YOUT
COUT
17 16 15
NC
14
NC
13
R-OUT
G-OUT
B-OUT
VIDEO
OUT
Y/C MIX
TRAP
SWITCH
INTERNAL
TRAP
DELAY
SYNC
ADD
LPF
LPF
75 75
DRIVER DRIVER
R-Y
Modulator
B-Y
Modulator
BPF
REGULATOR
CLAMP
SIN-PULSE
PHASE
SHIFTER
PHASE
SHIFTER
1
GND1
2
RIN
0.1µ
3
GIN
0.1µ
4
BIN
0.1µ
5
NC
6
SCIN
78
NPIN BFOUT
9
NC
10
SYNC
IN
11 12
NC Vcc1
0.01µ
47µ
Vcc
+5V
Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for
any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.
– 11 –
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet CXA2075M.PDF ] | |
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