MITSUBISHI ICs (TV)
M52779SP
VIF, SIF, VIDEO, CHROMA, DEFLECTION FOR PAL/NTSC
DESCRIPTION OF PIN (cont.)
Pin No.
Name
DC voltage and
wave information
6
7
VIF IN
1.4V
Peripheral circuit of pins
Description of function
5V
1.2k
bias
1.2k
7.5k
60
320 320
6
SAW
〈VIF detector input pin〉
input impedance is 900Ω,
5pF typ.
pay attention to matching
with SAW filter.
7
8
VIF VCC (5V)
9
H VCC (8V)
5.0V
8.0V
DC 3.4V typ
10
RAMP AGC
(charge current is 9µA
and discharge current is
170µA typ.)
−
−
8V
9µ
10k 500
〈power supply for
VIF block〉
5.0V typ.
〈power supply for
DEFLECTION and VIF/
SIF output stage〉
8.0V typ.
8V
1.2k
10
33µ
5V
〈vertical ramp AGC
filter pin〉
this pin is sensitive to
current leakage.
Pay attention to PCB
layout and external
components.
Pulling up this pin to Vcc
(8V) with R=47kΩ,
pin 18 output is
"V pulse" type.
11
SCL
−
45.6k
6k
1k
11
〈SCL pin for I2C BUS〉
Vth=3V approx.
6.0µ
burst gate
4.4V
H blanking
3.05V
12
SCP OUT
V blanking 12µs
1.3V 2.7V
0V
8V
8V FBP
〈Sand castle pulse
output pin〉
12
four-level pulse output
55µA
5 to 6V
31