MM1382 [MITSUMI]
RGB Video Amplifier with OSD Input; RGB视频放大器，带OSD输入
| 型号： | MM1382 |
| 厂家： | 
MITSUMI ELECTRONICS, CORP. |
| 描述： | RGB Video Amplifier with OSD Input |
| 文件： | 总10页 (文件大小：267K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
RGB Video Amplifier with OSD Input
Monolithic IC MM1381, 1382, 1383
Outline
MM1381XD, MM1382XD and MM1383XD are wideband RGB video amplifiers with OSD input, developed for
use in monitors. The main differences between them are video amp bandwidth and output rise time, and
output fall time.
Model
MM1381
85MHz
3.5nS
MM1382
110MHz
3.0nS
MM1383
140MHz
2.3nS
Video amp band
Output rise time
Output fall time
4.5nS
4.0nS
3.3nS
MM1382XD is described here as the representative model.
MM1382 is a wideband video amp system with OSD input, developed for use in high resolution RGB
monitors. MM1382 has three matched video amps with a blanking function. All DC control input is high
impedance, and the operating range is set for easy interface with serial bus control systems, at 0~4V. The
OSD section has three TTL inputs and DC contrast control. OSD signals have TTL input interface, and these
signals are made internally so that OSD input low level and video black level are the same. OSD display color
balance follows video signal color balance control adjustment. In addition, MM1382 has a built-in spot-killer
circuit that protects the CRT when monitor power is turned off.
Features
1. Built-in wideband video amp
2. OSD input has TTL interface
110MHz
@
-
3dB (4VP
-
P output)
bandwidth 50MHz
3. Output voltage less than 0.1V for blanking
4. High-speed switching between VIDEO/OSD
5. Each channel has an independent drive pin for color balance adjustment
6. Built-in high impedance DC contrast control, 0~4V (> 40dB range)
7. Built-in high impedance DC drive control, 0~4V ( 3dB range)
8. Built-in high impedance DC OSD contrast control, 0~4V (> 40dB range)
9. 7VP P output swing (band slightly attenuated)
-
10Output can drive hybrid or discrete CRT drivers directly
Package
DIP-28C (MM1381XD, MM1382XD, MM1383XD)
Applications
1. High resolution RGB CRT monitors with OSD function
2. AGC amps for video
3. Gain and DC offset control
4. LCD or CCD system interface amp
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
Block Diagram
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
Pin Description
Pin no.
Pin name
Internal equivalent circuit diagram
Pin Description
1
2
3
R OSD IN
G OSD IN
B OSD IN
These inputs accept standard TTL input. Each
color is either completely ON (logic high) or
completely OFF (logic low). Connect unused
pins to ground with a 47kΩ resistor.
4
VIDEO/OSD
SWITCH
This input accepts standard TTL input.
H : OSD, L : VIDEO
Connect OSD to ground with a 47kΩ resistor
when not in use.
5
8
R VIDEO IN
G VIDEO IN
B VIDEO IN
Video inputs.
These inputs must be AC coupled using a
capacitor of at least 1µF. The ideal capacitance
is 10 (F. DC playback is done with these
inputs. Also, serial resistor of approximately
33Ω must be used.
11
6
9
VCC1
Power supply pin (except for output stage).
7
GND
GND pins.
10
21
12
The GND pins are all connected internally, and
must be connected on the board as well.
Used for internal reference additional filter
capacitor. Voltage of this pin is 2.0V.
Contrast control pin :
VREF
13
14
26
27
28
VIDEO CONTRAST
OSD CONTRAST
B DRIVE
4V no attenuation
0V attenuation over 60dB
Drive control pin :
G DRIVE
R DRIVE
4V no attenuation
0V 12dB attenuation
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
Pin no.
Pin name
Internal equivalent circuit diagram
Pin Description
15
16
CLAMP GATE
BLANK GATE
These two pins accept TTL input and are active
low. Clamp gate supplies video signal DC
playback. Blank gate makes video output less
than 200mV.
17
19
24
B CLAMP CAP
G CLAMP CAP
R CLAMP CAP
External clamp capacitors are charged, then
discharged to the correction voltage required
for DC playback. Recommended value is
0.1µF.
18
20
23
B VIDEO OUT
G VIDEO OUT
R VIDEO OUT
Video output.
Output must have 390Ω impedance to obtain
the correct black level.
22
VCC2
Output stage power supply pin.
Internal connection to VCC1 does not exist.
25
RGB CUT OFF
ADJUST
Sets video output black level for all three
channels.
Range : 0~4V
Minimum value for black level is limited to
approximately 300mV.
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
Absolute Maximum Ratings 1
*
Item
Symbol
TSTG
Ratings
Units
°C
V
Storage temperature
Power supply voltage
Input voltage range
Video output current
Allowable loss
-55~+150
VCC max.
VIN max.
IO
15.0
<
<
GND VIN VCC
V
=
=
28
mA
W
Pd
2.5
2
Electrostatic breakdown
Pin temperature
kV
°C
265
16
*
Recommended Operating Conditions 2
*
Item
Symbol
TOPR
Ratings
20~+70
11.4~12.6
Units
°C
Operating temperature
Operating voltage
-
VOPR
V
(Except where noted otherwise, Ta=25°C, VCC1=VCC2=12V,
DC Electrical Characteristics
V13=4V, V14=4V, VDRV=4V, VCG= 0V, VBG=4V, V4=0V, VC-o=1V) 3
*
Item
Symbol
Measurement conditions
Min. Typ. Max. Units
Consumption current 7
VCC
RIN
VCC1+VCC2, RL=∞
95
100
1.2
1.6
120 mA
*
Video input resistance
Clamp gate input voltage L
Clamp gate input voltage H
Clamp gate input current L
Clamp gate input current H
Blanking gate input voltage L
Blanking gate input voltage H
Blanking gate input current L
Blanking gate input current H
Reference voltage
Ω
VCGL
VCGH
ICGL
ICGH
VBGL
VBGH
IBGL
IBGH
VREF
IICL+
0.8
0.8
V
2.0
V
VCG=0V
VCG=12V
-1.5
-5.0 uA
0.01 1.0
1.2
1.6
uA
V
2.0
11
V
uA
VBG=0V
VBG=12V
-8
-
0.01 1.0
2.0
450 750
450 750
750
450 750
uA
V
uA
uA
nA
uA
uA
Input capacitor charging current
Input capacitor discharge current
Input capacitor bias discharge current
Clamp cap charging current
Clamp cap discharge current
Clamp cap bias discharge current
Output voltage L
VCG=0V
VCG=0V
VCG=4V
VCG=0V
VCG=0V
VCG=4V
IICL
-
-
IICLB
IOCL+
IOCL
-
-450
-750
IOCLB
VOL
VOH
VO
VO
VOBLK
I13, 14
I26~28
750
50
7.5
1.2
20
nA
100 mV
V
VC
VC
VC O=1V
VC
VBG=0V
-
O=0V
Output voltage H
-O=10V
7.0
Black level output voltage
Black level output voltage
Output blanking voltage
-
7
V
*
-O=1V
250 mV
100 500 mV
125 500 nA
1.0 1.5 uA
10.6 11.2
V13=V14=VDRV=0V~4V
O=0V~4V
-
-
Contrast/drive input current
Cutoff input current
Spot killer voltage
IC-O
V
-
-
-
VSPOT
V
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
CC
CC
DRV
(Except where noted otherwise, Ta=25°C, V 1=V 2=12V, V13=4V, V14=4V, V =4V,
AC Electrical Characteristics 14
*
CG
V
BG
=0V, V =4V, V4=0V. For AC tests, adjust output pins 16, 20 and 23 to 4V by hand.)
Item
Symbol
Measurement conditions
Min. Typ. Max. Units
V13=4V, VDRV=4V
7.5 10.0
16.9 20.0
V/V
dB
dB
dB
dB
dB
dB
dB
%
Video amp gain
AV max
.
VIN=400mVP
-P
Contrast attenuation 1
Contrast attenuation 2
Drive attenuation 1
AV1
AV2
AVD1
AVD2
AVMAT
AVMAT
THD
V13=2V
V13=0.25V
VDRV=2V
-6
-40
-4.5
Drive attenuation 2
VDRV=0.25V
V13=VDRV=4V
V13=4V~2V
-
11
0.3
0.2
1
Gain matching
8
9
*
Gain change between amps
Video amp distortion
*
VO=1VP
-
P, f=10kHz
V13=4V, VDRV=3V
Video amp frequency bandwidth
fBW
110
MHz
VO=4VP
VO=4VP
VO=4VP
V13=4V
V13=4V
-
P
10, 11
10
10
*
Video output rise time
Video output fall time
tr
tf
VSEP1
VSEP2
-
P
3.0
4.0
nS
nS
dB
dB
nS
nS
nS
nS
nS
*
*
-P
Video amp isolation 1
12
10, 12
-
-
70
50
8
*
Video amp isolation 2
*
Blanking output rise time
Blanking output fall time
Blanking rise delay time
Blanking fall delay time
Back-porch clamping pulse width
tr
tf
trD
tfD
-
BLK
VO=1VP
VO=1VP
VO=1VP
VO=1VP
-
P
10
*
-BLK
-
P
10
14
23
20
*
-
BLK
-P
-
BLK
-P
tpw
13
200
*
(Except where noted otherwise, Ta = 25°C, VCC1=VCC2=12V,
V13=4V, V14=4V, VDRV=4V, VCG=4V, VBG=4V, V4=4V, VC-o=1V)
OSD Electrical Characteristics
Item
Symbol
Measurement conditions
Min. Typ. Max. Units
Input voltage OSD L
VOSDL
VOSDH
V4L
V4H
I4L
0.4
1.2
1.6
1.2
1.6
V
V
V
V
Input voltage OSD H
2.0
2.0
OSD selection input voltage L
OSD selection input voltage H
OSD selection input current L
OSD selection input current H
OSD black level output voltage
0.8
V4=0V
V4=12V
-3.0
-
5.0 uA
uA
175 mV
I4H
0.01 2.0
V
OUT-OSD
VC-O=1V
85
4.5
50
2.0
3.5
4
11
11
12
4
OSD output voltage VP
OSD output V attenuation
Output adjustment between channels VOSD
-P
VOSD-O
V14=4V, VDRV=2V
V14=2V, VDRV=2V
V14=4V, VDRV=2V
V14=4V~2V, VDRV=2V
V1=V2=V3=4V
V1=V2=V3=4V
V1=V2=V3=V13=V14=4V
V1=V2=V3=V13=V14=4V
V14=4V
VP-P
P
-P
VOSD
-
O
30
%
%
%
-OMAT
Output fluctuation between channels
Video to OSD switching time
OSD-to-video switching time
Video to OSD transfer delay
OSD-to-video transport delay
OSD rise time
VOSD-OMAT
tr
tr
trD
tfD
tr
tf
trD
tfD
-
OSDSW
15
15
nS
nS
nS
nS
nS
nS
nS
nS
dB
dB
*
*
-OSDSW
-
OSDSW
-
OSDSW
-OSD
OSD fall time
-OSD
V14=4V
V14=4V
V14=4V
10
6.5
9
OSD rise delay time
-
OSD
OSD fall delay time
-OSD
Video isolation rate to OSD1
Video isolation rate to OSD2
Vfeed1
Vfeed2
V14=4V, V1=V2=V3=0V
V14=4V, V1=V2=V3=0V
-70
-60
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
Notes :
1
2
Absolute maximum ratings are the limits over which the device may be damaged.
*
*
Operating ratings are the conditions for device functioning, but they do not guarantee s
specific performance limit. Refer to the electrical characteristics section for guaranteed
specifications and measuring conditions. Guaranteed specifications apply only to the listed
conditions. If the device does not operate within the listed measuring conditions, there may be
deterioration depending on the performance characteristics.
3
VCC supply pins 6, 9 and 22 must be connected as one externally in order to prevent internal
damage during the VCC power supply on/switching cycle.
*
4
Human model. Discharge via 1.5kΩ from 100pF capacitor.
*
*
5
The typical specified value is +25°C, indicating the standard value of the most general
parameter.
6
The specified supply current is VCC1 and VCC2 0 input current for RL=[symbol]. Please refer to
the measuring circuit. VCC2 supply current also depends on output load. VCC2 load current is
8mA in the measuring circuit for video output of 1V DC.
*
7
8
9
Output voltage depends on the load resistor. The measuring circuit uses RL=390Ω.
*
*
*
*
*
*
Measure the gain difference between two amps. Vin=400mVP
-P.
Measure Av max. attenuation, and measure the quantitative difference between any two amps.
10 Special test device on GND sealed PCB not requiring a socket.
11 Adjust input frequency from 10MHz (AV max. reference value) to
-
3dB corner frequency.
12 Measure the output level of two non-operational amps relative to the operating amp to check
channel separation.
13 200nS minimum pulse width is guaranteed to 15kHz horizontal line. This limit is guaranteed
at the design stage. When using a slower line speed, a clamp pulse with longer pulse width
is required.
*
14 4V DC level is the AC output signal center voltage for AC testing. For example, when output
*
is 4VP-P, the signal fluctuates between 2V DC and 6V DC.
15 trosd=11nS and tfosd=4ns for V1=V2=V4
-
0V and video input of 0.7V. The video output
*
waveform is the waveform shown in the timing diagram, inverted. Therefore, Trosd is actually
rise time, and Tfosd is actually fall time in this situation.
16 Solder for 10S.
*
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
Timing Diagram
Blanking transmission delay and Rise/fall time
VOH
BLANK GATE
1.3V
1.3V
VOL
-
-
trD BLK
tfD BLK
-
-
tf BLK
tr BLK
1V
0V
VIDEO OUT
0.5V
0.5V
Video OSD, OSD Video transmission delay and Switching time
VOH
OSD IN
VOL
VOH
VIDEO/OSD
1.3V
1.3V
SWITCH
VOL
1V
-
-
tfD OSDS
trD OSDS
-
-
tf OSDS
tr OSDS
VIDEO OUT
4VP
-P
2V
2V
OSD transmission delay and Rise/fall time
VOH
VIDEO/OSD
SWITCH
VOL
VOH
1.3V
1.3V
OSD IN
VOL
-
-
tfD OSD
trD OSD
-
-
tr OSD
tf OSD
2V
2V
VIDEO OUT
4VP
-P
1V
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
Measuring Circuit
RGB Video Amplifier with OSD Input MM1381, 1382, 1383
MITSUMI
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