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參數(shù)資料
| 型號： | MC13081 |
| 廠商： | Motorola, Inc. |
| 英文描述： | MULTIMODE COLOR MONITOR PROCESSOR |
| 中文描述： | 多模彩色監(jiān)視器處理器 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 342K |
| 代理商： | MC13081 |
MC13081X
7
MOTOROLA ANALOG IC DEVICE DATA
PIN FUNCTION DESCRIPTION (continued)
Pin
Description
Equivalent Internal Circuit
Name
9
5.0 V
Regulator
Output
VCC
Band Gap
Regulator
10
μ
F
9
R
0.8 R
5.0 V
5.0 V (
±
5%) regulator. Minimum 10
μ
F capacitor is
required for noise filtering and compensation. Up to
20 mA can be supplied to external circuitry. It can
source but not sink current. Output impedance is
≈
10
.
This 5.0 V regulator is recommended for use as a
reference only.
10
Phase
Detector 1
Filter
400
μ
A
R10
400
μ
A
C10B
5.0 V
C10A
Phase
Detector #1
Sync
Horiz
OSC
10
External components at this pin will determine the
PLL gain and phase characteristics. The capacitors
should be non–polarized.
The voltage at this pin nominally ranges from 1.5 V to
5.0 V with corresponding horizontal frequency from
25 kHz to 68 kHz.
11
Automatic
Frequency
Control
11
64x
Oscillator
From
Pin 10
VCC
R11A
R11B
Pin 11 is a buffered equivalent of Pin 10, and ranges
from a minimum of 1.5 V at horizontal high frequency
to near 5.0 V at low frequency. Pin 11 can sink a
maximum of 1.0 mA, but cannot source current.
12
Horizontal
Frequency
Range
5.0 V
12
R11C
The current out of Pin 12 determines the horizontal
frequency by a current transfer constant of
≈
122 Hz/
μ
A.
Pin 12 is internally maintained at 5.0 V.
13
Timebase
Ground
Ground for the timebase section. Connect to a clean,
low impedance ground.
14, 16
FH Switch A, B
14
16
Pin 14 (Switch A), and Pin 16 (Switch B) are open
collector NPN switches to ground. Each switch is
“on” when the horizontal frequency is higher than the
set points set by resistors at Pins 15 and 17,
respectively.
Maximum voltage is 8.0 V, and maximum sink
current is 20 mA.
15, 17
FH Switch A, B
Threshold
Setting
5.0 V
To Output
Switches
15,17
VCC
R15
(R17)
3.0 k
1.0 k
I12
2
Pin 15 and Pin 17 are current mirror at 1/2 of Pin 12
current. External resistors at these pins set the
horizontal frequency at which Pins 14 and 16 will
switch, respectively. The threshold voltage is 5.0 V.
18
Contrast
Control
5.0 V
50 k
VCC
The input control range is from 0 to 5.0 V. An increase
of voltage increases contrast.
19
Brightness
Control
18,19
R18
(R19)
The input control range is from 0 to 5.0 V. An increase
of voltage increases brightness.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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