March 1989

6

Philips Semiconductors

Product specification

AM receiver circuit

TDA1072AT

CHARACTERISTICS

measurements are with respect to ground (pin 16); unless otherwise specified

PARAMETER

CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

Supplies

Supply voltage (pin 13)

7.5

8.5

10

V

Supply current (pin 13)

15

23

27

mA

RF stage and mixer

Input voltage (DC value)

−

−

V

RF input impedance at

−

5.5

−

k

Ω

−

25

−

pF

RF input impedance at

−

8

−

k

Ω

−

22

−

pF

IF output impedance

500

0

0

k

Ω

−

6

−

pF

Conversion transconductance

before start of AGC

−

6.5

−

mA/V

Maximum IF output voltage,

inductive coupling to pin 1,

(peak-to-peak value)

−

5

−

V

DC value of output current

−

1.2

−

mA

AGC range of input stage

−

30

−

dB

RF signal handling capability:

input voltage for THD = 3%

at m = 80% (RMS value)

−

500

−

mV

Oscillator

Frequency range

∆f

0.6

−

60

MHz

Oscillator amplitude

(pins 11 to 12)

(peak-to-peak value)

−

130

150

mV

External load impedance

0.5

−

200

k

Ω

External load impedance for

no oscillation

−−

60

Ω

= 100 mV (RMS value);