TDA1574T Просмотр технического описания (PDF) - Philips Electronics
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TDA1574T Datasheet PDF : 13 Pages
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Philips Semiconductors
Integrated FM tuner for radio receivers
Product specification
TDA1574T
PARAMETER
Output voltage (pin 12)
AC characteristics
Input impedance
CONDITIONS
fi = 10.7 MHz
Output impedance
Voltage gain
Voltage gain with
variation of temperature
1 dB compression point
(RMS value)
at VP = 8.5 V
at VP = 7.5 V
Signal-to-noise ratio
Keyed AGC
DC characteristics
Output voltage range
(pin 20)
AGC output current
at I3 = 0 or
V14 = 450 mV;
V20 = VP/2
at V3 = 2 V and
V14 = 1 V; V20 = V15
Narrowband threshold
at V3 = 2 V; V14 = 550 mV
at V3 = 2 V; V14 = 450 mV
AC characteristics
Input impedance
note 2
Tamb = −40
to + 85 °C
RS = 300 Ω
fi = 98 MHz
SYMBOL
V12
MIN.
−
TYP.
4.5
MAX.
−
UNIT
V
R16-15
C16-15
R12
C12
Gv
240
300
360
Ω
−
13
−
pF
240
300
360
Ω
−
3
−
pF
27
30
−
dB
∆GT
−
0
−
dB
V12(rms)
−
V12(rms)
−
S/N
−
750
−
mV
550
−
mV
6.5
−
dB
∆V20
0.5
−
VP−0.3 V
−I20
25
50
100
µA
I20
2
−
5
mA
V20
−
−
1
V
V20
VP−0.3 −
−
V
R3
−
4
−
kΩ
C3
−
3
−
pF
August 1990
7
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