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
CHARACTERISTICS
Tamb = 25 °C; I16 = 6.2 mA; V10 = 12 V; unless otherwise specified
Voltage measurements are taken with respect to pin 9 (ground)
PARAMETER
CONDITIONS SYMBOL MIN.
Supply
Supply current (pin 16)
V10 = 0 V
V10 = 10 V
Stabilized voltage (pin 16)
Current consumption (pin 10)
Supply voltage range (pin 10)
Video input (pin 5)
Top sync level
Sync pulse amplitude
(peak-to-peak value)
Slicing level
Delay between video input
and detector output
(see also Fig.3)
Sync pulse noise level
detector circuit active
note 1
note 2
note 3
I16
6.2
I16
2.5
V16
8.8
I10
−
VP
10
V5
V5(p-p)
1.5
0.05
35
0.2
S/N
−
Sync pulse
Noise level detector circuit hysteresis
−
Noise gate (pin 5)
Switching level
First control loop (pin 8)
(horizontal oscillator to sync)
Holding range
Catching range
Control sensitivity video
with respect to burst-key
and flyback-pulse
Slow time constant
Normal time constant
Fast time constant
Phase modulation due to hum on
the supply line (pin 10)
Phase modulation due to hum on
input current (pin 16)
note 4
note 4
V5
−
∆f
−
∆f
± 700
−
−
−
−
−
TYP.
−
−
9.3
70
12
3.1
0.6
50
0.3
19
3
+ 0.7
± 800
± 800
2
5
3
0.2
0.08
MAX. UNIT
9.7
mA
9.7
mA
9.7
V
85
mA
13.2
V
3.75
V
1.0
V
65
%
0.55
µs
−
dB
−
dB
+1
V
Hz
± 1100
−
kHz/µs
−
kHz/µs
−
kHz/µs
−
µs/Vtt
−
µs/Vtt
September 1990
12
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