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TDA1581 데이터시트(Datasheet) 5 Page - NXP Semiconductors

부품명 TDA1581
상세내용  Decoder for traffic warning VWF radio transmissions
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제조사  PHILIPS [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo 

 
 5 page
background image
March 1992
5
Philips Semiconductors
Preliminary specification
Decoder for traffic warning (VWF) radio
transmissions
TDA1581T
LIMITING VALUES
In accordance with the Absolute Maximum System (IEC134).
CHARACTERISTICS
Vp = 8.5 V; Tamb = +25 °C; measured at nominal input signal: ViSK = 8 mV, f = 57 kHz amplitude modulated with
fm = 34.95 Hz and m = 60% for ‘BK-traffic area C’ signal; or with fm = 125 Hz and m = 30% for DK signal.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP = V7-20
supply voltage
pin 7
−−
15
V
V2; 3-20
switch output voltage
pins 2 or 3
−0.5
15
V
I2; 3
switch output current
pins 2 or 3
−10
5mA
V15-20
signal input voltage
pin 15
−0.5
VP
V
I15
signal input current
pin 15
−−−10
mA
Ptot
total power dissipation
−−
800
mW
Tstg
storage temperature range
−55
+150
°C
Tamb
operating ambient temperature range
−30
+80
°C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
pin 7
7.5
10
V
IP
supply current
pin 7
615
mA
SK amplifier/decoder
Zi
input impedance
f
≤ 57 kHz
60
−−
k
Vi(p-p)
input voltage (peak-to-peak value)
2
−−
V
ViSK
input voltage at start of gain control
Vo9BK = −3 dB
2.4(1)
mV
Gv9-15
voltage gain
V9BK / V15SK
44(1)
dB
∆Gv9-15
gain spread
−−±2dB
∆Gv
gain control range
40
−−
dB
Vo9BK
controlled output voltage
440
mV
Vo9DK
220
mV
BK circuit
Vo5BKon
switch-on threshold level
pin 3 high-Z
600
670
750
mV
switch hysteresis
3
3.5
4
dB
V4-20off
BK switch threshold level for BK-off
(SK-off) (typ. value = 0.21V8-20)
pin 3 conducting
0.8
0.88
0.97
V
SK output (pin 3)
I3
permitted load current
−−
0.5
mA
V3-20sat
saturation voltage
I3 = 1.5 mA
−−
0.35
V
V3-20
rejection voltage
I3 <5 µA18
−−
V
V
o5BKon
V
o5BKoff
----------------------




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