TEA2037A 데이터 시트보기 (PDF) - STMicroelectronics
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TEA2037A Datasheet PDF : 15 Pages
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TEA2037A
ELECTRICAL CHARACTERISTICS (Tamb = 25°C)
Table 3. Supply (shunt regulator) (Pin 16)
Symbol
Parameter
ICC1 Supply Current
VCC1 Supply Voltage (ICC1 = 15mA)
∆VCC1 Voltage Variation (ICC1: 10mA to 20mA)
LPS Starting Threshold for Line Output Pulses
Min.
10
Typ.
Max. Unit
20
mA
9
9.8 10.5
V
–280 50 +280 mV
5
V
Table 4. Video Input (Pin 15)
Symbol
Parameter
Min. Typ. Max. Unit
V15 Reference Voltage (I15 = –1µA)
1.4 1.75
2
V
MWF Minimum Width of Frame Pulse (When synchronized with TTL signal) 50
µs
VIN Sync Bottom to Black Level (RSYNC 15 = 560kΩ)
t(s) Table 5. Line Oscillator (Pin 9)
Symbol
Parameter
uc LT9 Low Threshold Voltage
rod HT9 High Threshold Voltage
P BI9 Bias Current
te DR9 Discharge Impedance
ole FLP1
Free Running Line Period
(R = 34.9kΩ Tied to VCC1, C = 2.2nF Tied to Ground)
s FLP2 Free Running Line Period (R = 13.7KΩ, C = 2.2nF)
Ob OT9 Oscillator Threshold for Line Output Pulse Triggering
t(s) - ∆-∆---F0--
Horizontal Frequency Drift with Temperature
(see application Figure 11)
duc Table 6. Line Output (Pin 14)
ro Symbol
Parameter
P LV14 Saturation Voltage (I14 = 200mA)
te OPW Output Pulse Width (line period = 64µs)
sole Table 7. Line Flyback Input (Pin 11)
ObSymbol
Parameter
0.2 0.3
VPP
Min.
2.8
5.4
1.0
62
Typ.
3.2
6.6
100
1.4
64
Max. Unit
3.6
V
7.8
V
nA
1.8
kΩ
66
µs
27
µs
4.6
V
2
Hz/°C
Min.
20
Typ.
1.1
22
Max. Unit
1.6
V
24
µs
Min. Typ. Max. Unit
V11 Bias Voltage
1.8 2.4 3.2
V
Z11 Input Impedance
4.5 5.8
8
kΩ
3/14
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