M52778SP View Datasheet(PDF) - MITSUBISHI ELECTRIC
Part Name
Description
MFG CO.
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 2.7kΩ
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 6.8kΩ
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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