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M52778SP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part NameDescriptionManufacturer
M52778SP VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC Mitsubishi
MITSUBISHI ELECTRIC  Mitsubishi
M52778SP Datasheet PDF : 37 Pages
First Prev 31 32 33 34 35 36 37
MITSUBISHI ICs (TV)
M52778SP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC
DESCRIPTION OF PIN (cont.)
Pin No.
Name
DC voltage and
wave information
17
I REF
DC 2.5V
Peripheral circuit of pins
Description of function
2.5V
1.75k
8V
17
300 300 1.5k 3.0k
2.7k
Band gap reference
output
this pin generates
reference
current for vertical ramp.
external resistor needs
tolerance within 1%, and
is stable for temperature.
resistor value is 2.7k
typ.
pin18
550uA
18
+RAMP OUT
460uA
19
-RAMP OUT
370uA
bias current : 460uA
current amplitude:180uAP-P
pin19
upside down
(when BUS DATA of V size is 41.)
300 300
18
6.8k vertical IC
19
vertical ramp current
output pin
connects with vertical IC.
external resistor needs
tolerance within 1%, and
is stable for temperature.
resistor value is 6.8k
typ.
20
H:VCC (8V)
21
R OUT
22
G OUT
23
B OUT
24
VCD VCC
(5V)
25
B IN
27
G IN
29
R IN
8.0V
power supply for RGB
interface output stage
8.0V typ.
FBP
1H
3VP-P
2VDC
150µ
8V
50
GND
5.0V
R to CRT
3.6k
RGB output pin
these pins are open
emitter type.
maximum output current
is 4mA typ.
power supply for VCD
block
5.0V typ.
DC 2.5V
8V
bias
4.5k
external RGB input pin
input RGB signals with
clamp capacitor.
capacitor value is 0.1µF
typ.
charge and dischrge
current is 150µA typ.
4.5k
33
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