Справочник Пользователя для Philips TDA1576T

1998 Nov 18

2

•

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.

The TDA1576T is a monolithic integrated FM/IF amplifier
circuit for use in mono and stereo FM-receivers of car
radios or home sets.

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

TDA1576T

SO20

plastic small outline package; 20 leads; body width 7.5 mm

SOT163-1