Read Harman Kardon AVR 135 (serv.man3) Service Manual online
R
×
5VT
2
BLOCK DIAGRAMS
•
Nch Open Drain Output (R
×
5VT
××
A)
•
CMOS Output (R
×
5VT
××
C)
TIME CHART
DEFINITION OF OUTPUT DELAY TIME t
PLH
2
3
Vref
OUT
GND
V
DD
–
+
1
V
DD
2
1
3
Vref
OUT
GND
–
+
Detector Threshold Hysteresis
t
PLH
Released Voltage
+V
DET
Detected Voltage
–V
DET
Supply Voltage
(V
(V
DD
)
Output Voltage
(OUT)
(OUT)
Minimum Operating Voltage
GND
GND
t
PLH
t
PHL
Input Voltage
(V
(V
DD
)
Output Voltage
Nch Open Drain Output
GND
GND
2.5V
5.0V
0.7V
+V
DET
+ 2.0V
t
PLH
t
PHL
CMOS Output
GND
GND
0.7V
+V
DET
+ 2.0V
+V
DET
+2.0V
+V
DET
+ 2.0V
2
Input Voltage
(V
(V
DD
)
Output Voltage
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