TEA5551 Ver la hoja de datos (PDF) - Philips Electronics
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TEA5551 Datasheet PDF : 17 Pages
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Philips Semiconductors
1-chip AM radio
Product specification
TEA5551T
AC CHARACTERISTICS
All parameters are measured in test circuit of Fig.6 at VS = 3 V; Tamb = 25 °C unless otherwise specified.
RF conditions: Input frequency 1 MHz; 30% modulation where fmod = 1 kHz; unless otherwise specified.
PARAMETER
CONDITIONS
SYMBOL MIN.
TYP.
MAX.
RF sensitivity
RF input voltage
Loss in sensitivity
Noise
Signal-to-noise ratio for RF
input signal voltage of
Vi(RF) = 2 µV
Vi(RF) = 15 µV
Vi(RF) = 1 mV
AF output voltage
Total harmonic distortion
AGC range
Change in RF input voltage
for 10 dB change in AF
output voltage
Vo(AF) = 10 mV
Vo(AF) = 10 mV;
VS = 1.8 V
Vi(RF) = 1 mV
Vi(RF) = 1 mV;
VS = 1.8 V
Vi(RF) = 100 µV
to 30 mV
Vi(RF) = 80 mV;
m = 0.8
Vi(RF1) = 50 mV
Optimum source impedance
Vi(RF)
−
∆Vi(RF)
−
1.5
−
6
−
S/N
−
S/N
−
S/N
−
Vo(AF)
−
Vo(AF)
−
THD
−
THD
−
6
−
26
−
46
−
80
−
55
−
0.8
−
10
−
Vi(RF1)/
Vi(RF2)
−
Zsource
−
86
−
3
−
IF suppression
at Vo(AF) = 10 mV
Oscillator (pin 14)
Oscillator voltage
note 1
fosc = 1468 kHz
V5 = 1.5 V
α
−
20
−
Vi
−
100
−
Vi
−
*
−
UNIT
µV
dB
dB
dB
dB
mV
mV
%
%
dB
kΩ
dB
mV
mV
Note to the AC characteristics
1. α = -V--V--i--i-a--a-t---t-f--if--i-=--=---4---1-6---8-M----k-H--H--z--z--
* Value to be fixed.
October 1990
8
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