AN5195K-C
ICs for TV
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
I2C clock input pin:
DC (V)
22
AC
5 V
(VCC3
)
(Pulse)
100 kΩ
1 kΩ
50 µA 100 kΩ
Clock
22
From
microcomputer
1.7 V
To logic
circuit
30 kΩ
30 kΩ
23
VCC3-1 (typ. 5 V):
DC
5 V
•
For VIF and SIF circuit
24
25
Pin 24: VIF input pin-1:
Pin 25: VIF input pin-2:
AC
5 V
(VCC3
)
f = fP
3.5 V
27 kΩ
•
Input for VIF amp. and balanced
input
DC level
approx. 2.7 V
1.2 1.2
kΩ kΩ
25
24
SAW
150 µA150 µA
26
27
GND:
For VIF and SIF circuit
RF AGC output pin:
DC
DC
•
5 V
(VCC3
)
•
Open collector output. Can be used
at given bias
To tuner
27
(max. 12 V)
IF AGC
bias
RF AGC
control bias
40
kΩ
28
Audio output pin:
AC
0 kHz
to
9 V
(VCC1
)
270 Ω
20 kHz
28
100 µA 400 µA
18
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