Philips Semiconductors
AM/FM radio receiver circuit
Product specification
TEA5591
AC CHARACTERISTICS
All parameters are measured in Fig.5 at nominal supply voltage VP = 3 V; Tamb = 25 °C unless otherwise specified
RF conditions: Input frequency 100 MHz; frequency deviation f = ± 22,5 kHz and fmod = 1 kHz
PARAMETER
CONDITIONS
SYMBOL
MIN.
TYP. MAX. UNIT
FM PERFORMANCE
RF sensitivity
RF input voltage
Noise
Signal plus noise-to-noise
ratio for:
RF input signal voltage (Vi)
Vi = 3.0 µV
Vi = 1 mV
Optimum source impedance
Noise factor
AF output voltage
Total harmonic
distortion
AM suppression
RF input signal
Oscillator voltage (pin 18)
IF rejection ratio
AFC
−3 dB before
limiting
optimum noise
impedance
Vi = 100 µV
Vi = 30 µV
to 50 mV
Vi = 1 mV;
∆f = 75 kHz
Vi = 100 mV;
∆f = 75 kHz
note 2
Vi = 100 µV to
10 mV
fosc = 100 MHz
VP = 1.5 V
fosc = 111.2 MHz
V17 = 1.4 V
V17 = 0.2 V
ViFM
−
2.3
4.0
µV
(S + N)/N
23
26
−
dB
(S + N)/N
−
60
−
dB
Zsource
−
50
−
Ω
NF
−
6
−
dB
Vo
75
90
−
mV
THD
−
0.8
−
%
THD
−
3
−
%
THD
−
3
−
%
AMS
Vosc
Vosc
IFrr
∆f
∆f
−
50
−
dB
−
220
−
mV
100
−
−
mV
−
60
−
dB
−
−620 −
kHz
−
+420 −
kHz
June 1989
11