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PDF M52755FP Data sheet ( Hoja de datos )
| Número de pieza | M52755FP | |
| Descripción | WIDE BAND ANALOG SWITCH | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI ICs (Monitor)
M52755FP
WIDE BAND ANALOG SWITCH
DESCRIPTION
The M52755FP is a semiconductor integrated circuit for the
RGBHV interface. The device features switching signals input from
two types of image sources and outputting the signals to the CRT
display, etc. Synchronous signals, meeting a frequency band of
10kHz to 200kHz, are output at TTL. The frequency band of video
signals is 250MHz, acquiring high-resolution images, and are
optimum as an interface IC with high-resolution CRT display and
various new media.
FEATURES
• Frequency band: RGB......................................................250MHz
HV.............................................10Hz to 200kHz
Input level:RGB.........................................................0.7VP-P (typ.)
HV TTL input.............................3.5VO-P (both channel)
• Only the G channel is provided with sync-on video output.
• The TTL format is adopted for HV output.
APPLICATION
Display monitor
RECOMMENDED OPERATING CONDITION
Supply voltage range........................................................4.5 to 5.5V
Rated supply voltage..................................................................5.0V
PIN CONFIGURATION (TOP VIEW)
VCC1 (R) 1
INPUT1 (R) 2
VCC1 (G) 3
NC 4
INPUT1 (G) 5
VCC1 (B) 6
INPUT1 (B) 7
INPUT1 (H) 8
INPUT1 (V) 9
GND 10
INPUT2 (R) 11
GND 12
INPUT2 (G) 13
NC 14
GND 15
INPUT2 (B) 16
INPUT2 (H) 17
INPUT2 (V) 18
36 Vcc2 (R)
35 OUTPUT (R)
34 GND
33 NC
32 NC
31 Vcc2 (G)
30 OUTPUT (G)
29 GND
28 Vcc2 (B)
27 OUTPUT (B)
26 GND
25 OUTPUT (for sync on G)
24 VCC
23 NC
22 OUTPUT (H)
21 OUTPUT (V)
20 GND
19 SWITCH
Outline 36P2R-A
NC : NO CONNECTION
BLOCK DIAGRAM
OUTPUT (R)
Vcc2 (R)
GND
36 35 34
NC
33
Vcc2 (G)
GND
OUTPUT
OUTPUT (B) (for sync on G)
NC OUTPUT (G) Vcc2 (B)
GND
VCC
32 31 30 29 28 27 26 25 24
NC OUTPUT (V) SWITCH
OUTPUT (H)
GND
23 22 21 20 19
1 2 3 4 5 6 7 8 9 10 11 12 13 14
INPUT1 (R)
NC
VCC1 (B)
INPUT1 (H)
GND
GND
NC
VCC1 (R)
VCC1 (G)
INPUT1 (G) INPUT1 (B) INPUT1 (V) INPUT2 (R) INPUT2 (G)
15 16 17 18
INPUT2 (B) INPUT2 (V)
GND
INPUT2 (H)
1
1 page  
MITSUBISHI ICs (Monitor)
M52755FP
WIDE BAND ANALOG SWITCH
5. Measure the crosstalk between channels when SG3 is as the
input signal of Pin 5, Pin 7.
6. Next, set SW19 to OPEN, SG3 as the input signal of Pin11,
measure the amplitude output from T.P.31. The amplitude is as
VOR6.
7. Next, measure the amplitude output from T.P.28, T.P.25 in the
same state. The amplitude is as VOG6, VOB6.
8. The crosstalk between channels C.T.C.2 is
VOG6 or VOB6
C.T.C.2= 20 LOG
[dB]
VOR6
9. By the same way, measure the crosstalk between channels
when input signal to Pin13, 16.
C.T.C.3, C.T.C.4 Crosstalk between channel
Set SG4 as the input signal, and the same method as table,
measure C.T.C.3, C.T.C.4.
Tr1, Tf1, Tr2, Tf2 Pulse characteristic
1. The condition is as Table. Set SW19 to GND (or OPEN).
2. The rising of 10% to 90% for input pulse is Tri, the falling of
10% to 90% for input pulse is Tfi.
3. Next, the rising of 10% to 90% for output pulse is Tro, the falling
of 10% to 90% for output pulse is Tfo.
4. The pulse characteristic Tr1, Tf1 ( Tr2, Tf2 ) is
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
The condition is as Table. Set SW19 to GND (OPEN), input 5V at
input terminal. Measure the output voltage, the voltage is as VOH1
(VOH2).
VoL1, VoL2 Low level output voltage
The condition is as Table. Set SW19 to GND (OPEN), input 0V at
input terminal. Measure the output voltage, the voltage is as VoL1
(VoL2).
Vith1, Vith2 Input selectional voltage
The condition is as table. Set SW19 to GND (OPEN), increasing
gradually the voltage of input terminal from 0V, measure the voltage
of input terminal when output terminal is 4.5V. The input voltage is
as Vith1 (Vith 2).
Trd1, Trd2 Rising delay time
Tfd1, Tfd2 Falling delay time
The condition is as table. Set SW19 to GND (OPEN), SG7 is as the
input signal of input terminal, measure the waveform of output. Ris-
ing delay time is as Trd1 (Trd2). Falling delay time is as Tfd1 (Tfd2).
Reference to the Fig. as shown below.
SG7 Trd Tfd
50%
Output waveform
50%
Vsth1, Vsth2 Switching selectional voltage
1. The condition is as table. SG1 is as the input signal of Pin 2,
Pin5, Pin7, and SG7 is as the input signal of Pin8, Pin9. There is
no input at another pins.
2. Input 0V at Pin19, confirm that there are signals output from
T.P.19, T.P.20, T.P.23, T.P.25, T.P.28, T.P.31.
3. Increase gradually the voltage of terminal Pin19. Read the
voltage when there is no signal output from the terminals listed
as above. The voltage is as Vsth1.
4. SG1 as the input signal of Pin11, Pin13, Pin16, and SG7 as the
input signal of Pin17, Pin18. There is no input at another pins.
5. Inputs 5V at Pin19, confirm that there is no signal output from
T.P.19, T.P.20, T.P.23, T.P.25, T.P.28, T.P.31.
6. Decreasing gradually the voltage of terminal Pin 19. Read the
voltage when there are signals output from the terminals listed
as above. The voltage is as Vsth2.
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet M52755FP.PDF ] | |
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