|
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
âF
âθ
Low Threshold Voltage
High Threshold Voltage
Bias Current
Discharge Impedance
Free Running Line Period
(R = 34.9k⦠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 = 100kâ¦, 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 = 866k⦠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 kâ¦
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
kâ¦
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 â¦
20.5 23 25 ms
12.8
ms
1.7 1.8 1.9
3/9
|
▷ |