M52393FP Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC
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M52393FP Datasheet PDF : 16 Pages
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MITSUBISHI ICs (AV COMMON)
M52393P/FP
EDTV2 IDENTIFICATION SIGNAL DETECTOR
Output signal
DET OUT pin9
EDTV2
Others
Voltage
Hi (4.0 to 4.5V)
Lo (0.0 to 0.5V)
Condition
no load
no load
Current capacity
MAX:5mA
Detection block
This IC has 3 comparaters. Each comparaters detect in three parts the NRZ form, the sine wave for confirming (DC) and the sine wave for
checking (AC).
NRZ form (bit 1 to bit 5, bit 24) DC
COMP.1 VTH CONTROL
VTH
40IRE
20IRE
(COMP1)
VTH
40IRE
20IRE
0IRE
0IRE
0 0.5
2.5
5.0
(open)
Pin2 COMP.1 CONT (V)
∗ COMP.1 OFF (at the pin 2 voltage of under 0.5V)
The sine wave for confirming (bit 25 to 27) DC
COMP.2 VTH CONTROL
VTH
40IRE
20IRE
VTH
40IRE
20IRE
0IRE
(COMP.2)
0IRE
0 0.5
2.5
5.0
(open)
Pin4 COMP.2 CONT (V)
∗ COMP.2 OFF (at the pin 4 voltage of under 0.5V)
The sine wave for confirming (bit 25 to 27) AC
COMP.3 VTH CONTROL
VTH
50IRE
30IRE
16IRE
40IRE
20IRE
0IRE
0IRE
0 0.5
2.5
3.7
5.0
(open)
Pin6 COMP.3 CONT (V)
∗ COMP.3 OFF (at the pin 6 voltage of under 0.5V)
(COMP.3)
VTH
30IRE
6
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