TDA1579/V4 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA1579/V4 Datasheet PDF : 13 Pages
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Philips Semiconductors
Decoder for traffic warning (VWF) radio
transmissions
Product specification
TDA1579
TDA1579T
PARAMETER
BK circuit
Switch-on threshold level
Switch hysteresis
BK switch threshold level
for BK-off (SK-off)
(typ. value = 0.21V8-18)
SK output (pin 3)
allowable load current
saturation voltage
rejection voltage
Indicator driver (pin 1)
allowable load current
saturation voltage
rejection voltage
DK circuit
Switch-on threshold level
Switch hysteresis
DK switch threshold level
for DK-off (Schmitt
trigger output)
(typ. value 1 × VBE)
DK output (pin 2)
allowable load current
saturation voltage
rejection voltage
BK and DK filter amplifiers
Open loop gain
Current gain
Input bias current
Output offset voltage
Available output current
Output resistance
Allowable load
capacitance
May 1992
CONDITIONS
SYMBOL
MIN.
TYP. MAX. UNIT
pin 3 high-Z
pin 3
conducting
Vo5BKon
V-V----oo---55--B-B---KK---oo---fn-f
V4-18off
600
670
750
mV
3
3.5
4
dB
0.8
0.88
0.97
V
I3 = 1.5 mA
I3 < 5 µA
I1 = 20 mA
I1 < 10 µA
pin 2 high-Z
pin 2
conducting
I3
V3-18sat
V3-18
I1
V1-18sat
V1-18
V15DKon
V-V----11--55---DD----KK---oo---fn-f
V16-18off
−
−
−
−
18
−
−
−
−
−
23
−
1.5
mA
0.35
V
−
V
40
mA
0.8
V
−
V
600
670
750
mV
3.1
3.6
4.1
dB
−
0.6
−
V
I2 = 1.5 mA
I2 < 5 µA
f = 100 Hz
R5-6 = R14-15
= 680 kΩ
I2
V2-18sat
V2-18
Go
Gi
± Ii
± Vo5-8
± V15-8
± Io
Ro
CL
4
−
−
−
−
18
−
84
−
120
−
−
−
−
−
1
−
−
2
−
−
1.5
mA
0.35
V
−
V
−
dB
−
dB
50
nA
50
mV
−
mA
3.5
kΩ
50
pF
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