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TDA8218 Datasheet, PDF (3/9 Pages) STMicroelectronics – HORIZONTAL AND VERTICAL DEFLECTION CIRCUIT
ELECTRICAL CHARACTERISTICS
VCC1 = 10 V, TAMB = 25 oC (unless otherwise specified )
Symbol
Parameter
SUPPLY (Pin 1)
ICC1
VCC1
Supply Current
Supply Voltage
VIDEO INPUT (Pin 20)
V20
MWF
Reference Voltage (I20 = -1µA)
Minimum Width of Frame Pulse
(when synchronized with TTL signal)
LINE OSCILLATOR (Pin 11)
LT11
HT11
BI11
DR11
FLP1
OT11
∆F
∆θ
Low Threshold Voltage
High Threshold Voltage
Bias Current
Discharge Impedance
Free Running Line Period
(R = 34.9kΩ Tied to VCC1, C = 2.2nF Tied to Ground)
Oscillator Threshold for Line Output
Pulse Triggering
Horizontal Frequency Drift with Temperature (see application)
LINE OUTPUT (Pin 17)
LV17 Saturation Voltage (I17 = 200mA)
OPW Output Pulse width (line period = 64µs)
LINE SAWTOOTH INPUT (Pin 13)
V13 Bias Voltage
Z13 Input Impedance
PHASE DETECTOR (Pin 12)
I12
RI12
LI12
CV12
Output Current During Synchro Pulse
Current Ratio (positive/negative)
Leakage Current
Control RangeVoltage
FRAME BLANKING GENERATOR (Pin 8)
External R.C. Network (Typical values : R = 100kΩ, C = 22nF)
Tfb Blanking Time (PIn 19, Tfb = K8 .R.C.)
K8 Time Blanking Coefficient
IO8 Output Current during the Frame Blanking : V8 = 2V
II8
Input Current after the Frame Blanking : V8 = 7V
FRAME OSCILLATOR (Pin 2)
LT2
HT2
DIF2
BI2
DR2
FFP1
MFP
FPR
Low Threshold Voltage
High Threshold Voltage
LT2 - HT2
Bias Current
Discharge Impedance
Free Running Frame Period
(R = 866kΩ Tied to VCC1, C = 220nF Tied to Ground)
Minimum Frame Period (I20 = -100µA) with the Same RC
Frame Period Ratio = FFP/MFP
TDA8218
Min. Typ. Max. Unit
15 22 mA
9
10 10.5 V
1.4 1.75 2
V
50
µs
2.8 3.2 3.6
V
5.4 6.6 7.8
V
100
nA
1.0 1.4 1.8 kΩ
62
64
66
µs
4.6
V
2
Hz/oC
1.1 1.6
V
26
28
30
µs
1.8 2.4 3.2
V
4.5 5.8
8
kΩ
250 350 500 µA
0.95 1 1.05
-2
+2 µA
2.60
7.10 V
1.35
ms
0.588 0.613 0.644
- 0.2 1
µA
300 450 600 µA
1.6 2.0 2.3
V
2.6 3.1 3.6
V
1.0
V
30
nA
300 470 700 Ω
20.5 23 25 ms
12.8
ms
1.7 1.8 1.9
3/9