m52347sp Mitsumi Electronics, Corp., m52347sp Datasheet

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m52347sp

Manufacturer Part Number
m52347sp
Description
Sync Signal Processor
Manufacturer
Mitsumi Electronics, Corp.
Datasheet

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DESCRIPTION
The M52347 automatically selects three types of synchronous
signals containing separate sync (positive and negative polarities of
0.5 to 2.5 V
0.5 to 2.5 V
performs waveform shaping. The IC is optimum to synchronous
signal processing for multi-scan type display monitor.
FEATURES
APPLICATION
Display monitor
RECOMMENDED OPERATING CONDITION
Supply voltage range..............................................Vcc=4.5 to 5.5V
Rated Supply voltage............................................................Vcc=5V
1
Low power consumption with supply voltage of 5V
Capable of obtaining output information on whether to input syn-
chronous signal, and on polarity
Output of clamp pulse
Equipped with V TIME GATE SW that enables selecting whether
or not VD portion pulse is output from pin
Equipped with CLAMP SW that enables switching the clamp
pulse output position.
BLOCK DIAGRAM
P-P
H. STATE
P-P
CLAMP
TIMING
), composite sync (positive and negative polarities of
) and sync-on-video (sync negative polarity), and
20
1
LOGIC
V. STATE
Y. POL.
19
2
LOGIC
H. POL.
CLAMP
CLAMP
SW
18
GET
3
14 15
/
CLAMP
GREEN
SYNC
OUT
.
SEP
17
4
IN
+
EDGE
SW
GND
V
16
CC
5
COMP/H
SHAPE
OUT
HD
15
IN
H
6
-
PIN CONFIGURATION (TOP VIEW)
V. TIME
GATE
COMP/H
V TIME GATE SW
DET
HD
OUT
DET
H
14
7
COMP/H DET
+
CLAMP SW
COMP/H IN
GREEN IN
H. STATE
V. STATE
V DET
GND
V IN
SHAPE
OUT
VD
V IN
13
8
V
SYNC SIGNAL PROCESSOR
+
10
1
2
4
3
5
6
7
8
9
Outline 20P4B(SP)
MITSUBISHI ICs (Monitor)
20P2N-A(FP)
V DET
M52347SP/FP
V S/S
OUT
DET
12
V
9
V TIME GATA
20
19
18
17
16
15
14
12
11
13
V. SYNC
V S/S
CLAMP TIMING
Y. POL.
H. POL.
CLAMP
V
HD
HD
VD
V S/S OUT
V S/S IN
SW
SEP
11
10
IN
CC
-
+
+
OUT
OUT
OUT
+
OUT

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m52347sp Summary of contents

Page 1

... OUT EDGE V. TIME SW GATE SYNC H H SEP SHAPE DET GREEN GND COMP/H COMP DET MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR 20 1 CLAMP TIMING POL POL CLAMP OUT 5 16 GND OUT + 7 ...

Page 2

... S 1V P-P 50kHz 0.6V P 50kHz P-P 50kHz 0.6V P 50kHz P-P MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR Limits Note Unit Min. Typ. Max 4.0 5.0 5.0 0 P-P input 0 0.04 0.5 signal is equiv- alent to NON SYNC. 4.0 5.0 5.0 0 P-P input 0 0.04 0.5 signal is equiv- alent to NON SYNC ...

Page 3

... DC voltage must 14 be applied 50kHz P-P 50kHz P 50kHz P voltage must applied. MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR Limits Note Unit Min. Typ. Max. V Meas 4.0 5.0 5 0.25 0 Meas V Meas 4.0 5.0 5 0.25 0 Meas V Meas 4.0 5.0 5 0.25 0.5 ...

Page 4

... Output (50%) P-P 17 50kHz 0.6V P 50kHz Output (50 P-P MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR Limits Note Min. Typ. Max. Time - 120 350 nsec Meas - 80 350 nsec Meas Time - 140 350 nsec Meas - 120 350 nsec Meas Time - 70 350 nsec ...

Page 5

... DC voltage must 15 be applied. 50kHz P voltage must 15 be applied. MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR Limits Note Unit Min. Typ. Max. Time - 100 350 nsec Meas - 70 350 nsec Checking output pulse for output with a voltage of 0 VDC applied, increase the DC 3 ...

Page 6

... COMP/H DET HD OUT 4 COMP OUT GND CC 75k + 17 GREEN IN 4 CLAMP OUT 3 POL. CLAMP POL. V. STATE 2 CLAMP 20 H. STATE 1 TIMING MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR TP2 TP2 TP1 : 5V Units Resistance : Capacitance : F 6 ...

Page 7

... Same as pin 6 Same as pin 7 MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR Description of function Logic output pin for horizontal synchro- nous signal When pin input signal is POSI, outputs 6 "H"; when NON, outputs "L"; and when NEG, outputs "H". ...

Page 8

... Same as pin 12 Same as pin 1 Same as pin 1.9V 20 0.4mA 0.2mA MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR Description of function V TIME GATE SW pin Can select whether to output the pulse of VD portion from pin , output pluse The threshold voltage is approx. 2.5V ...

Page 9

... 2.1(V V P-P V 0.2 to 0.6 0.5 to 2.5 0.5 to 2.5(V S MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR Pin 17 output signal Pin "H" Pin "M" Pin "L" trailing 4 trailing 4 trailing edge edge edge 6 leading 4 trailing 6 trailing edge ...

Page 10

... V P-P , the response and V of the 6 and , f=100kHz 2.8V 2.5V 2.2V POSI input MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR pin 6 or pin Fig. 4 R=56k R=75k 3 0.2 0.4 0.6 0.8 1.0 Input Amplitude (V ) P-P Fig. 1 0.5 1 1.5 2 2.5 Input Amplitude (V ) P-P Fig ...

Page 11

... V TIME GATE SW (Pin Whether to output the pulse of VD portion from pins can be selected. When pin portion is output. When pin is not output. Output at pin Output at pin Output at pin (that is 700 uA) and Output at pin MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR R=10k R=4.3k 10 100 1000 (pF ...

Page 12

... Note that the low level of the output pulse goes up. 1k TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) 1400 1237.6 1200 1000 SP 827.8 800 643.6 FP 600 430.5 400 200 100 AMBIENT TEMPERATURE Ta (˚C) 0.8 0.6 0.4 0 125 150 MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR External Resistance ( ...

Page 13

... APPLICATION EXAMPLE (f =50kHz =80 Hz) V MITSUBISHI ICs (Monitor) M52347SP/FP SYNC SIGNAL PROCESSOR ...

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