TDA1576T Ver la hoja de datos (PDF) - Philips Electronics
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TDA1576T Datasheet PDF : 16 Pages
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Philips Semiconductors
FM/IF amplifier/demodulator circuit
Product specification
TDA1576T
FEATURES
• Fully balanced 4-stage limiting IF amplifier
• Symmetrical quadrature demodulator
• Field strength indication output for 1 mA ammeter
• Detune detector for side response and noise attenuation
• Detune voltage output
• Internal muting circuit
• 0° and 180° AF output signals
• Reference voltage output
• Electronic smoothing of the supply voltage.
GENERAL DESCRIPTION
The TDA1576T is a monolithic integrated FM/IF amplifier
circuit for use in mono and stereo FM-receivers of car
radios or home sets.
QUICK REFERENCE DATA
SYMBOL
VP
IP
ViIF(rms)
VoAF(rms)
THD
S/N
αAM
RR
I15
Tamb
PARAMETER
supply voltage (pin 1)
supply current
input sensitivity (RMS value)
AF output voltage (RMS value)
total harmonic distortion with double
resonant circuits
signal-to-noise ratio
AM suppression
ripple rejection
maximum indicator output current
operating ambient temperature
CONDITIONS
MIN.
7.5
10
−3 dB before limiting 14
S/N = 26 dB
−
S/N = 46 dB
−
60
−
Vi > 1 mV
−
−
f = 100 Hz
43
−
−30
TYP.
8.5
16
22
10
55
67
0.02
72
50
48
−
−
MAX.
15
23
35
−
−
75
−
−
−
−
2
+80
UNIT
V
mA
µV
µV
µV
mV
%
dB
dB
dB
mA
°C
ORDERING INFORMATION
TYPE
NUMBER
TDA1576T
PACKAGE
NAME
DESCRIPTION
SO20 plastic small outline package; 20 leads; body width 7.5 mm
VERSION
SOT163-1
1998 Nov 18
2
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