TDA8024T datasheet(17/29 Pages) PHILIPS

17 / 29 page

2004 July 12

Philips Semiconductors

Product speciﬁcation

IC card interface

TDA8024

12 CHARACTERISTICS

VDD = 3.3 V; VDDP =5V; Tamb =25 °C; fXTAL = 10 MHz; all currents ﬂowing into the IC are positive; see note 1; unless

otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP

MAX.

UNIT

Temperature

Tamb

ambient temperature

−25

−

+85

°C

Supplies

VDD

supply voltage

2.7

−

6.5

VDDP

DC/DC converter supply

voltage

VCC =5V; ICC < 80 mA

4.0

5.0

6.5

VCC =5V; ICC < 20 mA

3.0

−

6.5

IDD

supply current

card inactive

−−

1.2

card active; fCLK =fXTAL;

CL =30pF

−−

1.5

IDDP

DC/DC converter supply

current

inactive mode

−−

0.1

active mode; fCLK =fXTAL;

CL = 30 pF; ICC =0

−−

VCC =5V; ICC =80mA

−−

200

VCC =3V; ICC =65mA

−−

100

Vth2

falling threshold voltage on

VDD

no external resistors at

pin PORADJ; VDD level falling

2.35

2.45

2.55

Vhys2

hysteresis of threshold

voltage Vth2

no external resistors at

pin PORADJ

100

150

Pin PORADJ; note 2

Vth(ext)(rise)

external rising threshold

voltage on VDD

external resistor bridge at

pin PORADJ; VDD level rising

1.240

1.28

1.310

Vth(ext)(fall)

external falling threshold

voltage on VDD

external resistor bridge at

pin PORADJ; VDD level falling

1.190

1.22

1.26

Vhys(ext)

hysteresis of threshold

voltage Vth(ext)

external resistor bridge at

pin PORADJ

∆Vhys(ext)

hysteresis of threshold

voltage Vth(ext) variation

with temperature

external resistor bridge at

pin PORADJ

−−

0.25

mV/K

width of internal Power-on

reset pulse

no external resistors at

pin PORADJ

external resistor bridge at

pin PORADJ

816

IL(PORADJ)

leakage current on

pin PORADJ

VPORADJ < 0.5 V

−0.1

µA

VPORADJ >1V

−1

−

µA

Ptot

total power dissipation

continuous operation;

Tamb = −25 to +85 °C

−−

0.56

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