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PDF M52732SP Data sheet ( Hoja de datos )
| Número de pieza | M52732SP | |
| Descripción | 3-CHANNEL VIDEO AMPLIFICATION | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI ICs (Monitor)
M52732SP
3-CHANNEL VIDEO AMPLIFICATION
DESCRIPTION
The M52732SP is a semiconductor integrated circuit that has 3-
channels of built-in amplifiers in the broad-band video amplifier
having a 75MHz band. Every channel is provided with a broad-band
amplifier, contrast control (main and sub), and brightness control. It
accordingly has an optimal configuration for use with high
resolution color display monitors.
FEATURES
• It realize low power dissipation so that 3-channels are built in.
(VCC=12V, ICC=63mA)
• Input..........................................................................0.7VP-P (typ.)
Output.....................................................................4.5VP-P (max.)
Frequency band.................................................75MHz (at 3VP-P)
• To adjust contrast, two types of controls are provided, main and
sub.
The main controls adjusts 3-channels of contrast concurrently.
The sub contrast controls adjusts either channel independentry.
APPLICATION
Display monitor
RECOMMENDED OPERATING CONDITION
Supply voltage range....................................................11.5 to 12.5V
Rated supply voltage................................................................12.0V
PIN CONFIGURATION (TOP VIEW)
VCC (B) 1
INPUT (B)
SUB CONTRAST
CONTROL (B)
GND (B)
2
3
4
VCC (G) 5
INPUT (G)
SUB CONTRAST
CONTROL (G)
GND (G)
6
7
8
VCC (R) 9
INPUT (R) 10
SUB CONTRAST
CONTROL (R)
11
GND (R) 12
MAIN CONTRAST
CONTROL
13
CP IN 14
28 OUTPUT (B)
27 HOLD (B)
26 NC
25 GND (B)
24 OUTPUT (G)
23 HOLD (G)
22 NC
21 GND (G)
20 OUTPUT (R)
19 HOLD (R)
18 NC
17 GND (R)
16 VCC
15
BRIGHTNESS
CONTROL
Outline 28P4B
NC : NO CONNECTION
BLOCK DIAGRAM
HOLD (B)
GND (B)
HOLD(G)
GND (G)
HOLD (R)
GND (R)
BRIGHTNESS
CONTROL
OUTPUT (B)
28 27
NC OUTPUT (G)
26 25 24 23
NC OUTPUT (R)
22 21 20 19
NC VCC
18 17 16 15
B-ch
Brt
G-ch
Brt
R-ch
Brt
B-ch
Hold
G-ch
Hold
R-ch
Hold
B-ch
Amp
G-ch
Amp
R-ch
Amp
B-ch
CONTRAST
G-ch
CONTRAST
R-ch
CONTRAST
1 2 3 4 5 6 7 8 9 10 11 12 13 14
INPUT (B)
GND (B)
INPUT (G)
GND (G)
INPUT (R)
GND (R)
CP IN
VCC (B)
SUB CONTRAST
CONTROL (B)
VCC (G)
SUB CONTRAST
CONTROL (G)
VCC (R)
SUB CONTRAST MAIN CONTRAST
CONTROL (R)
CONTROL
1
1 page  
MITSUBISHI ICs (Monitor)
M52732SP
3-CHANNEL VIDEO AMPLIFICATION
VSCR2 Sub contrast control characteristics (minimum)
∆VSCR2 Sub contrast control relative characteristics (minimum)
1. Conditions are identical with those in Attached Table expect
setting V3, V7, and V11 to 3.0V.
2. Then read amplitude of the output at T.P20 (T.P24, 28), which is
VOR5 (VOG5, VOB5) and also VSCR2.
3. The relative sub contrast control characteristics ∆VSCR2 is:
∆VSCR2=VOR5/VOG5, VOG5/VOB5, VOB5/VOR5
VCR2 Contrast/sub contrast control characteristics (typical)
∆VCR2 Contrast/sub contrast control relative
characteristics (typical)
1. Conditions are identical with those in Attached Table expect
setting V13, to 6.0V and V3, V7, and V11 to 6.0V.
2. Then read amplitude of the output at T.P20 (T.P24, 28), which is
VOR6 (VOG6, VOB6).
3. The gain and relative gain when the contrast and sub contrast
are typical, are:
VOR6 (VOG6, VOB6) [VP-P]
VCR3=20LOG
0.7
[VP-P]
∆VCR3=VOR6/VOG6, VOG6/VOB6, VOB6/VOR6
VB1 Brightness control characteristics (maximum)
∆VB1 Brightness control relative characteristics (maximum)
1. Under conditions in Attached Table.
2. Then use a voltmeter to measure the output at T.P20 (T.P24, 28),
which is VOR7 (VOG7, VOB7). This value is VB1.
3. In addition, the relative brightness control characteristic is
determined from VOR7, VOG7, and VOB7 by calculating differences
between each channel.
∆VB1 =VOR7-VOG7
=VOG7-VOB7
[mV]
=VOB7-VOR7
VB2 Brightness control characteristics (typical)
∆VB2 Brightness control relative characteristics (typical)
1. Under conditions in Attached Table.
2. Then use a voltmeter to measure the output at T.P20 (T.P24, 28),
which is VOR7' (VOG7', VOB7'). This value is VB2.
3. In addition, the relative brightness control characteristic is
determined from VOR7', VOG7', and VOB7' by calculating
differences between each channel.
∆VB2 =VOR7'-VOG7'
=VOG7'-VOB7'
[mV]
=VOB7'-VOR7'
VB3 Brightness control characteristics (minimum)
∆VB3 Brightness control relative characteristics (minimum)
1. Under conditions in Attached Table.
2. Then use a voltmeter to measure the output at T.P20 (T.P24, 28),
which is VOR7'' (VOG7'', VOB7''). This value is VB3.
3. In addition, the relative brightness control characteristic ∆VB3 is
determined from VOR7'', VOG7'', and VOB7'' by calculating
differences between each channel.
∆VB3 =VOR7''-VOG7''
=VOG7''-VOB7''
[mV]
=VOB7''-VOR7''
FC1 Frequency characteristics1 (f=50MHz; maximum)
∆FC1 Frequency relative characteristics1
(f=50MHz; maximum)
FC1' Frequency characteristics1 (f=75MHz; maximum)
∆FC1' Frequency relative characteristics1
(f=75MHz; maximum)
1. Under conditions in Attached Table.
2. Use SG3 and SG4. Measure amplitude of the output waveform
at T.P20 (T.P24, T.P28) following the procedure in GV, ∆GV.
3. The frequency characteristics FC1, FC1' are calculated by the
equations below:
VOR8 (VOG8, VOB8)
FC1=20LOG VOR1 (VOG1, VOB1)
[VP-P]
[VP-P]
VOR9 (VOG9, VOB9)
FC1'=20LOG VOR1 (VOG1, VOB1)
[VP-P]
[VP-P]
Whre, VOR8 (VOG8, VOB8) is the output amplitude when inputting
SG3, and VOR9 (VOG9, VOB9), SG4, which are measured in 2
above. (VOR1 (VOG1, VOB1) is the value measured in GV, ∆GV.)
4. The relative frequency characteristics ∆FC1, ∆FC1' are
determined by calculating differences between each channel's
FC1 and FC1'.
FC2 Frequency characteristics2 (f=50MHz; maximum)
∆FC2' Frequency relative characteristics2
(f=75MHz; maximum)
The procedure is identical with that in FC1, ∆FC1, FC1', ∆FC1' except
that the contrast (V13) is reduced to 5.0V.
C.T.1 Crosstalk1 (f=50MHz)
C.T.1' Crosstalk1 (f=75MHz)
1. Under conditions in attached Table.
2. Input SG2 (or SG4) to pin 10 (R-ch) only. Then measure
amplitude of the output waveform at T.P20 (T.P24, T.P28), which
are VOR, VOG, and VOB, respectively.
3. Crosstalk C.T. is:
VOG or VOB
C.T. =20LOG
(C.T. ')
VOR
[VP-P]
[dB]
[VP-P]
5
5 Page 
DESCRIPTION OF PIN (cont.)
Pin No.
Name
DC voltage (V )
15 BRIGHT
16 VCC
18
22 NC
26
19 R HOLD
23 G HOLD
27 B HOLD
12
Variable
20 B OUT
24 G OUT
28 R OUT
Variable
MITSUBISHI ICs (Monitor)
M52732SP
3-CHANNEL VIDEO AMPLIFICATION
Peripheral circuit of pins
VCC
30k
Description of function
15
−
GND
Vcc
1k
GND
VCC
50
A resistor is needed at
the GND side. Choose
any resistance value
under 15mA according to
the driving capability
required.
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet M52732SP.PDF ] | |
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