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PDF M52348SP Data sheet ( Hoja de datos )

Número de pieza M52348SP
Descripción WIDE FREQUENCY BAND ANALOG SWITCH
Fabricantes Mitsubishi 
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No Preview Available ! M52348SP Hoja de datos, Descripción, Manual

MITSUBISHI ICs (Monitor)
M52348SP
WIDE FREQUENCY BAND ANALOG SWITCH
DESCRIPTION
The M52348SP is an semiconductor IC for RGBHV interface that
switches signals input from two types of image source and outputs
them to CRT display etc. The synchronous signal meets the
frequency band of 10 kHz to 200 kHz and is output with TTL. The
IC adopts 250 MHz for the frequency band width of video signal,
providing high resolution images. It is optimum as an IC for
interface with various types of new media including high resolution
CRT.
FEATURES
Frequency band : RGB..................................................250MHz
HV.........................................10Hz to 200kHz
Input level :
RGB..........................................0.7 VP-P (typ.)
HV TTL IN PUT
3 to 5 Vo-p (bipolar)
Only the G channel is equipped with output for sync-on-video.
HV output adopts TTL format.
APPLICATION
CRT display, TV, VCR, etc.
RECOMMENDED OPERATING CONDITION
Supply voltage range.....................................................4.5V to 5.5V
Rated supply voltage..................................................................5.0V
PIN CONFIGURATION (TOP VIEW)
VCC1(R) 1
INPUT1(R) 2
VCC1(G) 3
INPUT1(G) 4
VCC1(B) 5
INPUT1(B) 6
INPUT1(H) 7
INPUT1(V) 8
GND 9
INPUT2(V) 10
GND 11
INPUT2(G) 12
GND 13
INPUT2(B) 14
INPUT2(H) 15
INPUT2(V) 16
32 VCC2(R)
31 OUTPUT(R)
30 GND
29 VCC2(G)
28 OUTPUT(G)
27 GND
26 VCC2(B)
25 OUTPUT(B)
24 GND
23
OUTPUT
(for Sync on G)
22 NC
21 VCC
20 OUTPUT(H)
19 OUTPUT(V)
18 GND
17 SWITCH
Outline 32P4B
NC:NO CONNECTION
BLOCK DIAGRAM
OUTPUT(R) VCC 2(G)
GND
OUTPUT
OUTPUT
(for sync on G)
(B)
OUTPUT
VCC 2(R)
GND
(G)
VCC 2 (B)
GND
NC
32 31 30 29 28 27 26 25 24 23 22
OUTPUT
VCC (V)
OUTPUT
SWITCH
(H) GND
21 20
19 18
17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
INPUT1(R)
INPUT1(G) INPUT1(B) INPUT1(V)
INPUT2(R) INPUT2(G) INPUT2(B) INPUT2(V)
VCC 1 (R)
V CC 1 (G)
VCC 1 (B)
INPUT1(H)
GND
GND
GND
INPUT2(H)
1

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M52348SP pdf
MITSUBISHI ICs (Monitor)
M52348SP
WIDE FREQUENCY BAND ANALOG SWITCH
8. When this is the case, calculate crosstalk C.T.I.2 between 2
inputs by the following formula:
C.T.I.2 = 20LOG
VOR4’
VOR4
[VP-P]
[VP-P]
(dB)
9. As in the same manner, find crosstalk between 2 pints in
response to input into pin 12 and pin 14 only.
C.T.I.3 Crosstalk 3 between 2 inputs
C.T.I.4 Crosstalk 4 between 2 inputs (100 MHz)
Specify input signal to be SG4. In the same manner as in C.T.I.1
and C.T.I.2, find crosstalk C.T.I.3/C.T.I.4 between 2 inputs.
C.T.C.1 Crosstalk 1 between channels
C.T.C.2 Crosstalk 2 between channels (10 MHz)
1. The conditions shall be as provided in the Electrical
Characteristics Table. This measurement shall take active
probe.
2. Assign SW17 to GND and input signal SG3 into pin 2 only.
Specify the output amplitude of T.P.31 to be VOR5 at that time.
3. In the same status, measure the output amplitude of T.P.28 and
T.P.25and specify the values to be VOG5 and VOB5.
4. When this is the case, calculate crosstalk C.T.C1 between
channels by the following formula:
C.T.C.1 = 20LOG
VOG5 or VOB5 [VP-P]
VOR5
[VP-P]
(dB)
5. In the same manner, find crosstalk between channels in
response to inputs into pin 4 and pin 6 only.
6. Assign SW17 to OPEN and then input signal SG3 into pin 10
only. Specify the output amplitude of T.P.31 to be VOR6 at that
time.
7. In the same status, measure the output amplitude of T.P.28 and
T.P.25. Specify the values to be VOG6 and VOB6.
8. When this is the case, calculate crosstalk C.T.C.2 between
channels by the following formula:
C.T.C.2 = 20LOG
VOG6 or VOB6 [VP-P]
VOR6
[VP-P]
(dB)
9. As in the same manner, find crosstalk between channels in
response to inputs into pin 12 and pin 14 only.
C.T.C.3 Crosstalk 3 between channels
C.T.C.4 Crosstalk 4 between channels (100 MHz)
Specify input signal to be SG4. In the same manner as in C.T.C.1
and C.T.C.2, find crosstalk C.T.C.3/C.T.C.4 between 2 channels.
Tr1, Tf1, Tr2, Tf2 Pulse characteristics 1
and pulse characteristics 2
1. The conditions shall be as provided in the Electrical
Characteristics Table. Assign SW17 to GND (or OPEN).
2. With active probe, measure rising Tri and falling Tfi for 10% to
90% of the input pulse.
3. With active probe, measure rising Tro and falling Tfo for 10% to
90% of the output pulse.
4. The pulse characteristics Tr1 and Tf1 (Tr2 and Tf2) are as follows:
100%
90%
0%
Tr
10%
Tf
Tr1(Tr2) = (Tro)2 - (Tri)2 (nsec)
Tf1(Tf2) = (Tfo)2 - (Tfi)2 (nsec)
VOH1, VOH2 High-level output voltage 1 and high-level output
voltage 2
The conditions shall be as provided in the Electrical Characteristics
Table. Assign SW17 to GND (or OPEN), apply 5V to the input pin
and measure the output voltage. Specify the value to be VOH1
(VOH2).
VOL1, VOL2 Low-level output voltage 1 and low-level output
voltage 2
The conditions shall be as provided in the Electrical Characteristics
Table. Assign SW17 to GND (or OPEN), apply 0V to the input pin
and measure the output voltage. Specify the value to be VOL1
(VOL2).
Vith1 Input threshold voltage 1
Vith2 Input threshold voltage 2
The conditions shall be as provided in the Electrical Characteristics
Table. Assign SW17 to GND (or OPEN). Gradually increasing the
voltage of input pin from 0V, measure the input voltage when the
output voltage is Hi (4.5V or more). Specify the value to be Vith1
(Vith2).
Trd1, Trd2 Rising delay time 1 and rising delay time 2
Tfd1, Tfd2 Falling delay time 1 and falling delay time 2
The conditions shall be as provided in the Electrical Characteristics
Table. Assign SW17 to GND (or OPEN), input SG7 into the input
pin and measure the output waveform.
Rising delay time Trd1 (Trd2) and falling delay time Tfd1 (Tfd2) shall
be found according to the following diagram.
SG7
Trd
OOO
50%
Tfd
50%
5

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