TDA8501 Philips Semiconductors, TDA8501 Datasheet - Page 14

• Manufacturer Part Number: TDA8501
• Description: PAL/NTSC encoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
PAL/NTSC and Y/Y + SYNC
Pin 17 is used as a four level control pin to condition the Y/Y + SYNC input signal (via pin 5). Pin 17 is normally connected
to ground for PAL mode, or to V
pin 17), the input blanking at pin 5 can be switched on and off. (see Table 1 and Fig 14).
Table 1 PAL/NTSC Y/Y +SYNC pin 5 options (pin 17 connection configurations).
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC134); all voltages referenced to V
THERMAL RESISTANCE
DC CHARACTERISTICS
V
April 1993
PAL
NTSC
PAL
NTSC
V
T
T
R
Supply (pin 8)
V
I
P
V
CC
CC
SYMBOL
stg
amb
CC
CC
tot
REF
th j-a
PAL/NTSC encoder
MODE
= 5 V; T
SYMBOL
SYMBOL
amb
Y without sync and input blanking on pin 17 LOW, connected to V
Y without sync and input blanking on pin 17 HIGH, connected to V
Y with sync and input blanking off
Y with sync and input blanking off
supply voltage
supply current
total power dissipation
reference voltage output (pin 13)
= 25 C; all voltages referenced to ground (pin 10); unless otherwise specified.
PIN 5 STATUS
from junction to ambient in free air
PARAMETER
SOT234
SOT137
positive supply voltage
storage temperature
operating ambient temperature
CC
for the NTSC mode. By use of external resistors (potential divider connected to
PARAMETER
PARAMETER
pin 17 with 39 k connected to V
pin 17 with 22 k connected to V
CONDITIONS
14
PIN 17 CONNECTION REQUIREMENT
4.5
2.425
0
SS
MIN.
65
25
CC
MIN.
CC
CC
THERMAL RESISTANCE
and 22 k connected to V
and 39 k connected to V
5.0
40
200
2.5
SS
TYP.
(pin 10).
5.5
+150
+70
Preliminary specification
MAX.
66 K/W
75 K/W
5.5
2.575
TDA8501
MAX.
V
C
C
UNIT
V
mA
mW
V
UNIT
SS
SS