TDA1180 View Datasheet(PDF) - STMicroelectronics
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TDA1180 Datasheet PDF : 12 Pages
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TDA1180P
ELECTRICAL CHARACTERISTICS (continued)
(refer to the test circuit, VS = 12V, TA = 25oC, unless otherwise specified)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
PROTECTION CIRCUIT
V4 Input Voltage for Switching off the Output Pulses Output Pulses OFF
Output Pulses ON
R4 Input Resistance
I4
Input Current
0.5 V
1
200
kΩ
5
µA
FLYBACK PULSE
V6
Input Threshold Voltage of Blanking Generator
V6
Input Threshold Voltage of Phase Comparator
I6
Input Switching Current
V6 ≥ 1.7V
1.8
V
7.6
V
0.45
mA
OUTPUT PULSE
V3
Peak-to-Peak Output Voltage
I3
Output Current
R3 Output Resistance
tp
Output Pulse Duration
COMPOSITE BLANKING AND KEY PULSE
I3 = 150 mApp
V3 = 5V
At Leading Edge of
output pulse
At Training Edge of
Output Pulse
10
V
500
mA
3
Ω
20
Ω
20 22 26 µs
V7k Key Pulse Output Peak Voltage
V7B Blanking Pulse Output Voltage
R7 Output Resistance
tsk
Phase Relation Between Trailing Edge of Key
Pulse and Middle of Sync. Input Pulse
tk
Key Pulse Duration
tfb
Delay between Flyback Pulse and Blanking Pulse
INTERNAL GATING PULSE
V6 = 1.7V
9 11
V
4.2 4.5 4.8 V
100
Ω
2.7
µs
3.5 3.8
µs
0.2 µs
tg
Gating Pulse Duration
t
Phase Relation between Middle of Sync. Pulse
and Trailing and Leading Edge of Gating Pulse
7.5
µs
3.75
µs
COINCIDENCE DETECTOR
V11 Output Voltage
I11
Peak Output Current
VCR SWITCH
With Coincidence
Without Coincidence
6.8
V
4
V
0.5
mA
V11 Input Voltage
- I11 Output Current
I11
Output Current
TIME CONSTANT SWITCH
0 to 4 or 8.5 to 12 V
35
µA
0.4
mA
V12 Output Voltage
R12 Output Resistance
3
V
4.5V < V11 < 8V
100
Ω
V11 > 8.5V or V11 < 4V
40
kΩ
4/12
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