TDA1572T Просмотр технического описания (PDF) - Philips Electronics

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TDA1572T

AM receiver

Philips Electronics 

Philips Semiconductors

AM receiver

SYMBOL

fosc

V(rms)

R(ext)

R(ext)

SVRR

V15-20

−IO

∆VI

VO

Vo(p-p)

ZO

−IO(peak)

VI

Zi

Ci

ViIF(rms)

Zo

VoIF(rms)

Gv

∆Vv

PARAMETER

Oscillator

Frequency range

Voltage amplitude (pins 15 to 16)

(RMS value)

External load impedance (pins 16 to 15)

External load impedance for no

oscillation (pins 16 to 15)

Supply voltage ripple rejection

at VP = 100 mV(rms); fp = 100 Hz

(SVRR = 20 log [V17/V15])

Source voltage for switching diodes

(6 x VBE) (pin 15)

DC output current (for switching

diodes) (pin 15)

Change of output voltage at

∆I15 = 20 mA (switch to maximum load)

(pin 15)

Buffered oscillator output (pin 14)

DC output voltage

Output signal amplitude

(peak-to-peak value)

Output impedance

Output current (peak value)

IF, AGC and AF stages

DC input voltage (pins 3 and 4)

IF input impedance (pins 3 to 4)

IF input capacitance

IF input voltage for

THD = 3% at m = 80% (pins 3 and 4)

(RMS value)

IF output impedance (pin 12)

Unloaded IF output voltage

at Vi = 10 mV (pin 12)

(RMS value)

Voltage gain before start of AGC

(pins 3 to 4; 6 to 20)

AGC range of IF stages: change of

V3-4 for 1 dB change of Vo(AF);

V3-4(ref) = 75 mV(rms)

May 1992

8

Product specification

TDA1572T

MIN.

TYP.

MAX.

UNIT

0.1

−

60

MHz

80

130

150

mV

0.5

−

200

kΩ

−

−

60

Ω

−

55

−

dB

−

4.2

−

V

0

−

20

mA

−

0.3

−

V

−

0.8

−

V

−

320

−

mV

−

170

−

Ω

−

−

3

mA

−

2.0

−

V

2.4

3.0

3.9

kΩ

−

7

−

pF

−

90

−

mV

−

50

−

Ω

180

230

290

mV

−

68

−

dB

−

55

−

dB

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