Electrical Characteristics (Cont’d): (TA = +25°C, VP = V7–6 = 12V, carrier 38.9MHz, negative
modulation unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Horizontal Synchronization Circuit (Sync Separator)
Required Sync Pulse Amplitude
V25 Note 19
Input Current, Pin25
I25 V25 > 5V
V25 = 0V
Horizontal Synchronization Circuit (First Control Loop)
200 750 – mV
–
8
–
µA
– –10 – mA
Holding Range PLL
±∆f
– 1500 2000 Hz
Catching Range PLL
±∆f
600 1500 – Hz
IF Input Signal at which the Time Constant V8–9 Strong to weak
is Switched (RMS Value)
– 2.2 – mV
Horizontal Synchronization Circuit (Second Control Loop)
Control Sensitivity
Control Range
Controlled Edge
∆td/∆to Note 21
td
– 100 –
–
25
–
µs
positive
Horizontal Synchronization Circuit (Phase Adjustment, via Second Control Loop)
Control Sensitivity
Maximum Allowed Phase Shift
α
–
25
– µA/µs
–
±2
–
µs
Horizontal Synchronization Circuit (Horizontal Oscillator, Pin23)
Free Running Frequency
Spread with Fixed External Components
Frequency Variation
Frequency Variation with Temperature
ffr R = 34.3kΩ, C = 2.7nF
∆f
∆ffr ∆VP = 9.5 to 13.2V
TC Note 26
– 15625 – Hz
–
–
4
%
–
–
2
%
– –1.6 – Hz/°C
Maximum Frequency Deviation at Start
∆ffr
of Horizontal Output
–
–
10 %
Frequency Variation when Only Noise
is Received
∆ffr Note 26
–
– 500 Hz
Horizontal Synchronization Circuit (Horizontal Output)
Output Limiting Voltage
Output Voltage LOW
Maximum Sink Current
Duty Cycle Output Signal
V26
V26 Isink = 10mA
I26
–
– 16.5 V
– 0.2 0.5 V
10
–
– mA
–
46
–
%
Rise Time of Output Pulse
tr
– 260 –
ns
Fall Time of Output pulse
tf
– 100 –
ns
Horizontal Synchronization Circuit (Flyback Input and Sandcastle Output, Note 22)
Input Current Required During
I27
Flyback Pulse
0.1 – 2.0 mA
Output Voltage During Burst Key Pulse
Output Voltage During Horizontal Blanking
Output Voltage During Vertical Blanking
Pulse Width, Burst Key Pulse
V27
V27
V27
tW 60Hz
50Hz
8
–
–
V
4.0 4.4 5.0 V
2.1 2.5 2.9 V
2.9 3.3 3.7 µs
3.2 3.6 4.0 µs
Pulse Width, Horizontal Blanking Pulse
Flyback Pulse Width