TDA4570 Philips Semiconductors, TDA4570 Datasheet - Page 6

• Manufacturer Part Number: TDA4570
• Description: NTSC decoder
• Manufacturer: Philips Semiconductors

Notes
1. Expressed as field periods.
2. The sandcastle pulse is compared with three internal threshold levels, which are proportional to the supply voltage.
Sandcastle pulse detector (note 2)
Input voltage level (pin 15)
Input voltage during
Input current
Philips Semiconductors
August 1986
to separate vertical and
horizontal blanking pulses
required pulse amplitude
to separate horizontal
blanking pulse
required pulse amplitude
to separate burst gating pulse
required pulse amplitude
horizontal scanning
NTSC decoder
PARAMETER
V
V
V
V
V
V
V
I
15-3
15-3
15-3
15-3
15-3
15-3
15-3
15
SYMBOL
6
1,3
2,0
3,3
4,1
6,6
7,7
MIN.
1,6
2,5
3,6
4,5
7,1
TYP.
1,9
3,0
3,9
4,9
7,6
1,1
100
MAX.
Product specification
TDA4570
V
V
V
V
V
V
V
A
UNIT