August 1990 6
Philips Semiconductors Product specification
Integrated FM tuner for radio receivers TDA1574T
CHARACTERISTICS
VP= V17-4 = 8.5 V; Tamb = 25 °C; measured in test circuit Fig.1;
All measurements are with respect to ground (pin 4); unless otherwise specified
PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT
Supply (pin 17)
Supply voltage VP= V17 V17 7−14 V
Supply current
(except mixer) IP= I17 I17 16 23 30 mA
Reference voltage (pin 5) V54.0 4.2 4.4 V
Mixer
DC characteristics
Input bias voltage
(pins 1 and 2) V1,2 −1−V
Output voltage
(pins 18 and 19) V18,19 4−35 V
Other current
(pins 18 and 19) I18 + 19 −4.5 −mA
AC characteristics fi= 98 MHz
Noise figure NF −9−dB
Noise figure including
transforming network NF −11 −dB
3rd order intercept point EMF1IP3 −115 −dB/µV
Conversion power gain note 1 GCP −14 −dB
Input resistance
(pins 1 and 2) R1,2 −14 −Ω
Output capacitance
(pins 18 and 19) C18, 19 −13 −pF
Oscillator
DC characteristics
Input voltage
(pins 7 and 8) V7,8 −1.3 −V
Output voltage (pin 6) V6−2−V
AC characteristics
Residual FM (bandwidth =
300 Hz to 15 kHz) de-emphasis = 50 µs∆f−2.2 −Hz
Linear IF amplifier
DC characteristics
Input bias voltage (pin 15) V15 −1.2 −V