TDA7021 Philips, TDA7021 Datasheet - Page 5

• Manufacturer Part Number: TDA7021
• Description: FM radio circuit for MTS
• Manufacturer: Philips

Philips Semiconductors
AC CHARACTERISTICS (MONO OPERATION)
V
(e.m.f. at a source impedance of 75 ); r.m.s. noise voltage measured unweighted (f = 300 Hz to 20 kHz); unless
otherwise specified
May 1992
Sensitivity (e.m.f.)
Signal handling (e.m.f.)
Signal-to-noise ratio
Total harmonic distortion
AM suppression of output
Ripple rejection
Oscillator voltage (r.m.s. value)
Variation of oscillator frequency
Selectivity
AFC range
Mute range
Audio bandwidth
AF output voltage
AF output current
P
FM radio circuit for MTS
= 3 V; T
for 3 dB limiting
for 3 dB muting
for (S N)/N = 26 dB
voltage
with temperature
(r.m.s. value)
max. d.c. load
max. a.c. load (peak value)
amb
PARAMETER
= 25 C; measured in Fig.5; f
see Fig.3
muting disabled
THD < 10%;
ratio of AM signal
(f
to FM signal (f
1 kHz; f = 75 kHz)
f = 1 kHz
V
see Fig.9;
no modulation
measured with 50 s
pre-emphasis
R
THD = 10%
m
V
f =
f =
f =
P
V
L
P
o
= 1 V
(pin 14) = 100
= 1 kHz; m = 80%)
= 100 mV;
= 3 dB;
CONDITIONS
rf
75 kHz
22,5 kHz
75 kHz
= 96 MHz modulated with f = 22,5 kHz; f
m
=
5
EMF
EMF
EMF
EMF
(S+N)/N
THD
THD
AMS
RR
V
S
S
B
V
I
I
---------------- -
o(dc)
o(ac)
5-4(rms)
o(rms)
T
SYMBOL
f
300
300
f
f
osc
amb
rf
rf
100
MIN.
m
4,0
5,0
7,0
200
60
0,7
2,3
50
30
250
5
46
30
160
120
10
90
3
= 1 kHz; EMF = 0,3 mV
TYP.
Product specification
TDA7021T
MAX.
100
mV
dB
%
%
dB
dB
mV
kHz/ C
dB
dB
kHz
kHz
kHz
mV
mA
UNIT
V
V
V
A