TDA1072A View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TDA1072A Datasheet PDF : 20 Pages
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Philips Semiconductors
AM receiver circuit
Product specification
TDA1072A
PARAMETER
Standby switch
Switching threshold at VP = 7,5 to 18 V;
Tamb = −40 to + 80 °C
on-voltage
off-voltage
on-current at V2-16 = 0 V
off-current at V2-16 = 20 V
SYMBOL
MIN. TYP. MAX. UNIT
V2-16
V2-16
−I2
I2
0
−
2,0
V
3,5
−
20
V
−
−
200
µA
−
−
10
µA
OPERATING CHARACTERISTICS
VP = 8,5 V; fi = 1 MHz; m = 30%; fm = 400 Hz; Tamb = 25 °C; measured in Fig.1; unless otherwise specified
PARAMETER
SYMBOL
MIN. TYP. MAX.
R.F. sensitivity
R.F. input required for S + N/N = 6 dB
R.F. input required for S + N/N = 26 dB
R.F. input required for S + N/N = 46 dB
R.F. input at start of a.g.c.
R.F. large signal handling
R.F. input at THD = 3%; m = 80%
R.F. input at THD = 3%; m = 30%
R.F. input at THD = 10%; m = 30%
A.G.C. range
Change of Vi for 1 dB change
of Vo(af); Vi(ref) = 500 mV
Change of Vi for 6 dB change
of Vo(af); Vi(ref) = 500 mV
Output signal
A.F. output voltage at
Vi = 4 µV; m = 80%
A.F. output voltage at Vi = 1 mV
THD at Vi = 1 mV; m = 80%
THD at Vi = 500 mV; m = 30%
Signal-to-noise ratio at Vi = 100 mV
Ripple rejection at Vi = 2 mV;
VP(rms) = 100 mV; fP = 100 Hz
(RR = 20 log [VP/Vo(af)])
Vi
Vi
Vi
Vi
Vi
Vi
Vi
∆Vi
∆Vi
Vo(af)
Vo(af)
dtot
dtot
(S + N)/N
RR
−
1,5
−
−
15
−
−
150
−
−
30
−
−
500
−
−
700
−
−
900
−
−
86
−
−
91
−
−
130
−
240
310
390
−
0,5
−
−
1
−
−
58
−
−
38
−
UNIT
µV
µV
µV
µV
mV
mV
mV
dB
dB
mV
mV
%
%
dB
dB
May 1984
7
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