MM1203ND [MITSUMI]
RGB Video Amplifier for Monitors Monolithic IC; RGB视频放大器的监视器单片IC
| 型号： | MM1203ND |
| 厂家： | 
MITSUMI ELECTRONICS, CORP. |
| 描述： | RGB Video Amplifier for Monitors Monolithic IC |
| 文件： | 总6页 (文件大小：127K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RGB Video Amplifier for Monitors MM1203
MITSUMI
RGB Video Amplifier for Monitors
Monolithic IC MM1203
Outline
This IC is a wideband video amplifier system developed for high resolution RGB color monitors. In addition to
the three matched video amps, it has three gate control differential input black level comparators for
luminance adjustment, and three matched attenuator circuits for contrast adjustment. Each video amp has
maximum gain setting (AV=4~10) and a drive pin for trimming. The reference voltage supply for video input is
built in.
Features
1. Three built-in wideband video amps (70MHz @
2. Current consumption 65mA typ.
-3dB)
3. Matched (±0.5dB) contrast adjustment attenuators built in
4. Built-in luminance adjustment comparators using external gate control
5. Gain of each video amp controlled independently
6. Built-in video input reference voltage
7. Low impedance output driver
Package
DIP-28B (MM1203ND)
Applications
1. Display monitors
Block Diagram
RGB Video Amplifier for Monitors MM1203
MITSUMI
Pin Description
Pin no.
Pin name
Function
VCC1
Pin no.
15
Pin name
Function
1
2
VCC1
CONTRAST CAP
CONTRAST CAP
R VIDEO IN
R CLAMP CAP
G VIDEO IN
GND
B CLAMP (+)
B VIDEO OUT
B clamp input (+)
B video output
Contrast capacitor
Contrast capacitor
R video input
16
3
17
B CRAMP (
B DRIVE
-
)
B clamp input (
B drive
-)
4
18
5
R clamp capacitor
G video input
19
G CLAMP (+)
G VIDEO OUT
G clamp input (+)
G video output
6
20
7
GND
21
G CLMP (
-
)
G clamp input (
G drive
-)
8
G CALMP CAP
B VIDEO IN
B CLAMP CAP
VREF
G clamp capacitor
B video input
22
G DRIVE
VCC2
9
23
VCC2
10
11
12
13
14
B clamp capacitor
Video input reference voltage
Contrast control
24
R CLAMP (+)
R clamp input (+)
R video output
25
R VIDEO OUT
CONTRAST
VCC1
26
R CLAMP (
R DRIVE
VCC1
-)
R clamp input (
R drive
-)
VCC1
27
----------------------------------------------------------------------------------------------
---------------------------------------------------------------------------------
------------------------------------------------------------------
CLAMP GATE
Clamp gate input
28
VCC1
(Ta=25°C)
Absolute Maximum Ratings
Item
Symbol
Ratings
Units
Storage temperature
Operating temperature
Power supply voltage
Pin input voltage
TSTG
TOPR
VCC
VIN
IO
-
55~+150
0~+70
13.5
°C
°C
V
-
<
<
GND VIN VCC
V
=
=
Video output current
Allowable loss
28
mA
W
Pd
2.5
2
Electrostatic breakdown
9
kV
°C
*
Pin temperature 10
265
*
(Ta=°C)
Recommended Operating Conditions
Item
Symbol
Conditions
Min. Typ. Max. Units
10.8 12.0 13.2
Operating power supply voltage
VCC
V
RGB Video Amplifier for Monitors MM1203
MITSUMI
(Except where noted otherwise, Ta=25°C, VCC1=VCC2=12V,
V12=6V, V14=0V, V15=2V, S1, 2, 3=OFF)
DC Electrical Characteristics
Item
Symbol
ICC1
VREF
IB
Measurement conditions Min. Typ. Max. Units
Consumption current
only VCC1
65
2.4
5.0
1.2
1.6
85
2.6
20
mA
V
Video input reference voltage
Video input bias current
2.2
0.8
µA
V
Clamp gate input voltage L
Clamp gate input voltage H
Clamp gate input current L
Clamp gate input current H
Clamping capacitor charge current
Clamping capacitor discharge current
Video output voltage L
VCGL
VCGH
ICGL
2.0
V
V14=0V
-
0.5
0.005 1.0
500 850
500 850
-0.5 µA
ICGH
ICL+
ICL
V14=12V
µA
µA
µA
V
V5, 8, 10=0V
V5, 8, 10=5V
V5, 8, 10=0V
V5, 8, 10=5V
-
-
-
VOL
0.9 1.25
8.9
Video output voltage H
VOH
8.2
V
Video output offset difference 1
Video output offset difference 2
VOF1
VOF2
V15=2V
V15=4V
2
2
±0.5 ±50 mV
±0.5 ±50 mV
*
*
(Except where noted otherwise, Ta=25°C, VCC1=VCC2=12V,
V12=12V, V14=0V, V15=4V, fin=10kHz, S1, 2, 3=ON)
AC Electrical Characteristics
Item
Video amp gain
Symbol
AV
Measurement conditions Min. Typ. Max. Units
4.5 6.0 V/ V
12.5 10
40
VIN=560mVP
-P
Gain attenuation 1
Gain attenuation 2
Gain matching
AV1
V12=5V, VIN=560mVP
V12=2V, VIN=560mVP
-
P
-
-
-
7.5 dB
AV2
-P
-
dB
AVMAT
AVM1
AVM2
THD
fBW
3
0.5
0.1
0.3
0.5
120
5
1.0
0.5
dB
dB
dB
%
*
Gain fluctuation matching 1
Gain fluctuation matching 2
Video amp distortion
Video amp frequency bandwidth
Output rise time
V12=5V *3 *4
V12=V12LOW
*3 *5
-P
V12=3V, VOUT=1VP
VIN=100mVrms *6 *7
70
MHz
µS
tr
VOUT=4VP
VOUT=4VP
-
P
6
6
*
*
Output fall time
tf
-P
7
µS
Crosstalk 1
VSEP1
VSEP2
f=10kHz, VIN=1VP
-P
8
-65
dB
dB
*
Crosstalk 2
f=10kHz, VIN=1VP
-P
-46
*6 *8
Notes:
1
VCC power supply pins 1, 13, 23 and 28 are connected to each other externally.
*
2
Measure offset voltage between any two amps.
*
3
Measure gain difference between any two amps. VIN=1VP
-P
*
4
Measure attenuation amount relative to Av max., and quantify the difference between any two amps.
*
5
The voltage at which V12 low is
-
40dB relative to AV max. for attenuation.
*
6
Mount on printed board with ground shield on both sides.
*
7
-3dB cutoff frequency from video amp gain.
*
8
Input a signal to any amp and terminate input for the remaining two amps (use resistor that corresponds
to signal source load), then measure output.
*
9
Human model. Discharge via 1.5kΩ from 100pF capacitor.
*
10 Solder for 10 seconds.
*
RGB Video Amplifier for Monitors MM1203
MITSUMI
Measuring Circuit
RGB Video Amplifier for Monitors MM1203
MITSUMI
Measuring Circuit
RGB Video Amplifier for Monitors MM1203
MITSUMI
Characteristics
Gain-Frequency
Gain - Frequency
(VOUT=4VP P)
-
18
16
14
12
10
0
100k
1M
10M
100M
1G
Frequency (Hz)
Attenuation-Contrast Voltage
Attenuation - Contrast Voltag
10
0
-
-
-
-
-
-
10
20
30
40
50
60
0
1 2 3 4 5 6 7 8 9 10 11 12
Contrast voltage (V)
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