TDA1593 datasheet(8/20 Pages) PHILIPS

8 / 20 page

1996 Oct 10

Philips Semiconductors

Product speciﬁcation

IF ampliﬁer/demodulator for

FM car radio receivers

TDA1593

Note

Internal mute

α; note 1

mute voltage

V16 ≥ Vref

−

V16 = 0.77Vref

1.5

−

4.5

V16 = 0.55Vref

−

I16

current for capacitor (pin 16)

charge current

V13 =0V

−−8

−µA

discharge current

V13 =0V

−

+120

−µA

charge current

V13 =Vref

−−100

−µA

discharge current

V13 =Vref

−

+120

−µA

Level detector

output resistance

−−

500

Ω

output voltage at I2 =0

V20 ≤ 5 µV (RMS); see Fig.11

0.1

−

1.1

V20 = 1 mV (RMS)

3.0

−

4.2

±200 kHz detuning

1.2

1.5

1.8

∆V6

output voltage at detuning

±45 kHz detuning

−−

0.2

temperature coefﬁcient

−

3.3

−

mV/K

steepness of control voltage

slope: 50

µV ≤ V20 ≤ 50 mV;

∆log V

20 =20dB

1.4

1.7

2.0

V/dec

∆V6/∆f

slope of output voltage at

detuning

∆f = 125 ±20 kHz

−

mV/kHz

level shift adjustments

range by pin 2

±∆V6/Vref

0.42

0.5

−

V/V

gain

−∆V6/∆V2

−

1.7

−

V/V

range by pin 2

±∆V16/Vref

0.21

0.25

−

V/V

gain

−∆V16/∆V2

−

0.85

−

V/V

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MIN.

UNIT

∆V

∆

log

---------------------







∆V

4FM

MUTE

–

OFF

–

()

∆V

4FM

MUTE

–

()

-------------------------------------------------------

log

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