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參數(shù)資料
| 型號： | MC13282AP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 100 MHz VIDEO PROCESSOR WITH OSD INTERFACE |
| 中文描述： | 3 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 264K |
| 代理商： | MC13282AP |
MC13282A
5
MOTOROLA ANALOG IC DEVICE DATA
PIN FUNCTION DESCRIPTION (continued)
Pin
Description
Equivalent Internal Circuit
Name
14
Fast Commutate
VCC
40 k
20 k
This pin is used in conjunction with the RGB OSD
inputs. It is a high speed switch used for overlaying
text on picture. A logic low selects Pins 2, 4, 6. A logic
high selects Pins 8, 10, 12.
15
B Emitter Output
VCC
Video
Signal
The video outputs are configured as emitter–followers
with a driving capability of about 15 mA each.
The dc voltage at these three emitters is set to 1.2 V
(black level).
19
G Emitter Output
Typical
Contrast
The dc current through the output stage is determined
by the emitter resistors (typically 330
).
22
R Emitter Output
RE = 330
16
B Clamp
Capacitor
1.2 V
Video Out
A 100 nF capacitor is connected to each of these pins.
The capacitor is used for video output dc restoration.
18
G Clamp
Capacitor
VCC
21
R Clamp
Capacitor
17
Video VCC
Connect to 8.0 V dc supply,
±
5%. This VCC is for the
video output stage. It is internally connected to the
collectors of the output transistors.
20
5.0 Vref (V5)
VCC
Band Gap
Regulator
5.0 V
10
μ
F
0.8 R
R
5.0 V regulator. Minimum 10
μ
F capacitor is required
for noise filtering and compensation. It can source
up to 20 mA but not sink current. Output impedance
is
≈
10
. Recommended for use as a voltage
reference only.
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