TDA2579B View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TDA2579B Datasheet PDF : 21 Pages
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Philips Semiconductors
Horizontal/vertical synchronization circuit
Preliminary specification
TDA2579B
QUICK REFERENCE DATA
PARAMETER
Supply
Minimum required current for starting
horizontal oscillator and output stage
Main supply voltage
Supply current
Input signals
Sync pulse input amplitude
Horizontal flyback pulse input current
Vertical comparator input signal
Voltage AC
Voltage DC
Output signals
Horizontal output (open collector)
I11 = 25 mA
Vertical output stage driver
(emitter follower) I1 = 1.5 mA
Sandcastle output levels
V17 burst-key
horizontal blanking
vertical blanking
Video transmitter identification output stage
(open collector loaded with external resistor to
positive supply). No sync. pulse present
Sync pulse present
divider ratio > 576
divider ratio < 576
CONDITION SYMBOL MIN. TYP. MAX. UNIT
I16
V10
I10
V5(p-p)
I12
V2
V2
6.2 −
−
mA
−
12
−
V
−
70
−
mA
0.05 −
−
1
1.0 V
−
mA
−
0.8 −
V
−
1
−
V
V11
−
−
0.5 V
V1
5
−
−
V
V17
9.8 −
−
V
V17
−
4.5 −
V
V17
−
2.5 −
V
V13
−
−
0.5 V
I13
−
−
5
mA
V13
−
V10
−
V
V13
−
7.65 −
V
September 1990
3
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