TDA1581T Philips Semiconductors, TDA1581T Datasheet - Page 5

• Manufacturer Part Number: TDA1581T
• Description: Decoder for traffic warning VWF radio transmissions
• Manufacturer: Philips Semiconductors

Philips Semiconductors
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC134).
CHARACTERISTICS
V
f
March 1992
m
V
V
I
V
I
P
T
T
V
I
SK amplifier/decoder
Z
V
V
G
V
V
BK circuit
V
V
I
V
V
--------------------- -
V
V
2; 3
15
p
P
3
stg
amb
i
G
G
P
2; 3-20
15-20
tot
P
i(p-p)
iSK
o9BK
o9DK
o5BKon
4-20off
3-20sat
3-20
Decoder for traffic warning (VWF) radio
transmissions
= 34.95 Hz and m = 60% for ‘BK-traffic area C’ signal; or with f
v9-15
o5BKoff
o5BKon
= 8.5 V; T
= V
SYMBOL
SYMBOL
v9-15
v
7-20
amb
= +25 C; measured at nominal input signal: V
SK output (pin 3)
supply voltage
switch output voltage
switch output current
signal input voltage
signal input current
total power dissipation
storage temperature range
operating ambient temperature range
supply voltage
supply current
input impedance
input voltage (peak-to-peak value)
input voltage at start of gain control
voltage gain
gain spread
gain control range
controlled output voltage
switch-on threshold level
switch hysteresis
BK switch threshold level for BK-off
(SK-off) (typ. value = 0.21V
permitted load current
saturation voltage
rejection voltage
PARAMETER
PARAMETER
8-20
)
pin 7
pins 2 or 3
pins 2 or 3
pin 15
pin 15
pin 7
pin 7
f
V
V
pin 3 high-Z
pin 3 conducting
I
I
3
3
5
o9BK
9BK
< 5 A
= 1.5 mA
57 kHz
CONDITIONS
CONDITIONS
iSK
/ V
= 3 dB
m
15SK
= 8 mV, f = 57 kHz amplitude modulated with
= 125 Hz and m = 30% for DK signal.
7.5
60
2
40
600
3
0.8
18
0.5
10
0.5
55
30
MIN.
MIN.
6
2.4
44
440
220
670
3.5
0.88
TYP.
TYP.
(1)
Preliminary specification
(1)
TDA1581T
15
15
5
V
800
+150
+80
10
15
750
4
0.97
0.5
0.35
MAX.
MAX.
10
2
P
V
V
mA
V
mA
mW
V
mA
k
V
mV
dB
dB
dB
mV
mV
mV
dB
V
mA
V
V
C
C
UNIT
UNIT