User Manual

MAX7461
Loss-of-Sync Alarm
_______________________________________________________________________________________ 3
IN
500mV/div
t = 10ms/div
CVSB LOS ALERT TRANSIENT
MAX7461 toc01
LOS
5V/div
3.0
2.5
2.0
1.5
1.0
4.5 4.94.7 5.1 5.3 5.5
LOS DETECT TIME
vs. SUPPLY VOLTAGE
MAX7461 toc02
SUPPLY VOLTAGE (V)
TIME (ms)
4.0
3.5
3.0
2.5
2.0
4.5 4.94.7 5.1 5.3 5.5
LOS RELEASE TIME
vs. SUPPLY VOLTAGE
MAX7461 toc03
SUPPLY VOLTAGE (V)
TIME (ms)
0.20
0.15
0.10
0.05
0
4.5 4.94.7 5.1 5.3 5.5
SYNC HEIGHT LOS ALERT THRESHOLD
vs. SUPPLY VOLTAGE
MAX7461 toc04
SUPPLY VOLTAGE (V)
SYNC HEIGHT (V)
1.6
1.8
1.7
1.9
2.0
-40 0-20 20 40 60 80
SUPPLY CURRENT
vs. TEMPERATURE (CVBS INPUT)
MAX7461 toc05
TEMPERATURE (°C)
I
CC
(mA)
Typical Operating Characteristics
(V
CC
= 5V, GND = 0, C
IN
= 0.1µF, RO = 10kΩ, T
A
= +25°C, unless otherwise noted.)