Philips TDA1574T Integrated FM tuner for radio receivers TDA1574T

August 1990 7
Philips Semiconductors Product specification
Integrated FM tuner for radio receivers TDA1574T
Output voltage (pin 12) V12 −4.5 −V
AC characteristics fi = 10.7 MHz
Input impedance R16-15 240 300 360 Ω
C16-15 −13 −pF
Output impedance R12 240 300 360 Ω
C12 −3−pF
Voltage gain note 2 Gv27 30 −dB
Voltage gain with
variation of temperature Tamb =−40
to + 85 °C∆GT−0−dB
1 dB compression point
(RMS value)
at VP = 8.5 V V12(rms) −750 −mV
at VP= 7.5 V V12(rms) −550 −mV
Signal-to-noise ratio RS= 300 ΩS/N −6.5 −dB
Keyed AGC
DC characteristics
Output voltage range
(pin 20) ∆V20 0.5 −VP−0.3 V
AGC output current
at I3= 0 or
V14 = 450 mV;
V20 = VP/2 −I20 25 50 100 µA
at V3= 2 V and
V14 = 1 V; V20 = V15 I20 2−5mA
Narrowband threshold
at V3= 2 V; V14 = 550 mV V20 −−1V
at V3= 2 V; V14 = 450 mV V20 VP−0.3 −−V
AC characteristics fi= 98 MHz
Input impedance R3−4−kΩ
C3−3−pF
PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT