Electrical Characteristics (Cont’d): (VP = 12V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Vertical Oscillator (Vref = 6.25V)
Vertical Free–Running Frequency
fo R15 = 22kΩ, C16 = 0.1µF 40.0 42.0 43.3 Hz
Nominal Vertical Sync Range
fV No fo Adjustment
50 – 110 Hz
Voltage on Pin15
V15 R15 = 22kΩ
2.8 3.0 3.2 V
Delay Between Sync Pulse and Start of Vertical td Measured on Pin8,
500 575 650 µs
Scan in VGA/XGA Mode
Activated by an External
Resistor on Pin7
Delay Between Sync Pulse and Start of Vertical
Scan in Multi–Frequency Mode
Measured on Pin8,
V7 < 50mV
Control Current for Amplitude Control
I12
Capacitor for Amplitude Control
C12
Vertical Differential Output
240 300 360 µs
– ±200 –
µA
–
– 0.33 µF
Differential Output Current Between Pin5 and
Pin6 (Peak–to–Peak Value)
Maximum Offset Current Error
Maximum Linearity Error
Io Mode 3, I13 > –135µA,
R15 = 22kΩ
Io = 1mA
0.9 1.0 1.1 mA
–
– ±2.5 %
–
– ±1.5 %
Vertical Amplitude Adjustment (In Percent of Output Signal)
Input Voltage
Adjustment Current
VGA Mode–Dependent Pre–Settings Activated
by an External Resistor on Pin7
Mode 1
V13
I13
∆Io/∆t
Iomax (100%)
Iomin (Typically 58%)
Note 2
– 5.0 –
V
–110 –120 –135 µA
–
0
–
µA
116.1 116.8 117.5 %
Mode 2
102.0 102.2 102.5 %
Mode 3
– 100 –
%
Mode 4
– 100 –
%
Multi–Frequency Operation
(VGA Operation Disabled)
Note 2, V7 < 50mV
– 100 –
%
E/W Output (Note 2)
Bottom Output Signal During Mid–Scan (Pin11)
Top Output Signal During Flyback
V11 Internally Stabilized
1.05 1.2 1.35 V
4.1 4.35 4.6 V
Temperature Coefficient of Output Signal
TC
–
– 250 10–6/K
E/W Amplitude Adjustment (Parabola)
Input Voltage (Pin14)
Adjustment Current
V14
I14 100% Parabola
Typicall 28% Parabola
– 5.0 –
V
–110 –120 –135 µA
–
0
–
µA
Note 2. ∆Io/∆t relative to value of Mode 3.
Note 3. Parabola amplitude tracks with mode–dependent vertical amplitude but not with vertical
amplitude adjustment. Tracking can be achieved by a resistor from vertical amplitude
potentiometer to Pin14.