ICs for TV
AN5395FBP
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
23
DSC bias pin:
9 V
• No use. Keep it connected to VCC
• Recommended application range: 0 V to VCC
15 kΩ
23
200 Ω
24
Primary differentiating input pin before correction:
9 V
24
205 Ω
99 µA
• Output Y1 primary differentiating signal
which is made by Y signal inputted from pin
45.
50 Ω
• Recommended application range:
−1.6 mA to +1.6 mA
400 Ω
400 Ω
66 µA
99 µA
25
26
Pin 25: Sharpness mute control pin:
Pin 26: Sharpness gain control pin:
9 V
• Controls contour correction amount of pin 27
Y output signal by pin 26 voltage.
5.6 kΩ
200 Ω
1.125 kΩ
V
26typ = 3 V
Correction
amount
25
26
28 kΩ
200 Ω
3 V
4.3 V
2 V
V26
11 kΩ
• On/off pin of contour correction signal by high/
low of pin 25.
165 µA
44 µA
• High: Off
Low: On (VTH = 2.65 V)
• Recommended application range: 0 V to VCC
27
Y output pin:
9 V
205 Ω
50 Ω
66 µA
• Outputs Y signal in which contour correction
signal has been added on Y signal inputted
from pin 45.
27
• Recommended application range:
−3.2 mA to +3.2 mA
66 µA
66 µA
15
PANASONIC [ PANASONIC ]
