Philips TDA1576T - Manual (Page 2)

1998 Nov 18 2
Philips Semiconductors Product specification
FM/IF amplifier/demodulator circuit 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
ORDERING INFORMATION
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
P
supply voltage (pin 1) 7.5 8.5 15 V
I
P
supply current 10 16 23 mA
V
iIF(rms)
input sensitivity (RMS value)
−
3 dB before limiting 14 22 35
µ
V
S/N = 26 dB
−
10
− µ
V
S/N = 46 dB
−
55
− µ
V
V
oAF(rms)
AF output voltage (RMS value) 60 67 75 mV
THD total harmonic distortion with double
resonant circuits
−
0.02
−
%
S/N signal-to-noise ratio V
i
> 1 mV
−
72
−
dB
α
AM
AM suppression
−
50
−
dB
RR ripple rejection f = 100 Hz 43 48
−
dB
I
15
maximum indicator output current
− −
2 mA
T
amb
operating ambient temperature
−
30
−
+80
°
C
TYPE
NUMBER
PACKAGE
NAME DESCRIPTION VERSION
TDA1576T SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1