TDA1572T Просмотр технического описания (PDF) - Philips Electronics
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TDA1572T Datasheet PDF : 20 Pages
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Philips Semiconductors
AM receiver
Product specification
TDA1572T
CHARACTERISTICS
VP = V17-20 = 8.5 V; Tamb = 25 °C; fi = 1 MHz; fm = 400 Hz; m = 30%; fIF = 460 kHz; measured in test circuit of Fig.1; all
voltages referenced to ground; unless otherwise specified.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VP
IP
VI
Zi
Ci
Zi
Ci
Zo
Co
I1/Vi
V1-17(p-p)
IO
Vi(rms)
Supply
Supply voltage (pin 17)
Supply current (pin 17)
RF stage and mixer (pins 18 and 19)
DC input voltage
RF input impedance at VI < 300 µV (rms)
RF input capacitance
RF input impedance at VI > 10 mV (rms)
RF input capacitance
IF output impedance (pin 1)
IF output capacitance
Conversion transconductance
before start of AGC
Maximum IF output voltage, inductive
coupling to pin 1 (peak-to-peak value)
DC value of output current;
at VI = 0 V (pin 1)
AGC range of input stage
RF signal handling capability
Input voltage (RMS value)
for THD = 3% at m = 80%
7.5
8.5
14.0
V
15
25
28
mA
−
VP/2
−
−
5.5
−
−
25
−
−
8
−
−
22
−
200
−
−
−
6
−
−
6.5
−
−
5
−
−
1.2
−
−
30
−
V
kΩ
pF
kΩ
pF
kΩ
pF
mA/V
V
mA
dB
−
500
−
mV
May 1992
7
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