Datasheet

2004 July 12 18
Philips Semiconductors Product specification
IC card interface TDA8024
DC/DC converter
f
CLK
clock frequency card active 2.2 − 3.2 MHz
V
th(vd-vf)
threshold voltage for
voltage doubler to change
to voltage follower
5 V card 5.2 5.8 6.2 V
3 V card 3.8 4.1 4.4 V
V
UP(av)
output voltage on pin V
UP
(average value)
V
CC
= 5 V 5.2 5.7 6.2 V
V
CC
=3V; V
DDP
= 3.3 V 3.5 3.9 4.3 V
Card supply voltage (pin V
CC
); note 3
C
VCC
external capacitance on
pin V
CC
note 4 80 − 400 nF
V
CC
card supply voltage
(including ripple voltage)
5 V card
card inactive; I
CC
 =0mA −0.1 0 +0.1 V
card inactive; I
CC
 =1mA −0.1 0 +0.3 V
card active; I
CC
 < 80 mA 4.75 5.0 5.25 V
card active; single current
pulse, I
p
= −100 mA,
t
p
=2ms
4.65 5.0 5.25 V
card active; current pulses,
I
p
= 40 nAs
4.65 5.0 5.25 V
card active; current pulses,
I
p
= 40 nAs with
I
CC
 < 200 mA, t
p
< 400 ns
4.65 5.0 5.25 V
3 V card
card inactive; I
CC
 =0mA −0.1 0 +0.1 V
card inactive; I
CC
 =1mA −0.1 0 +0.3 V
card active; I
CC
 < 65 mA 2.85 3.0 3.15 V
card active; single current
pulse I
p
= −100 mA;
t
p
=2ms
2.76 3.0 3.20 V
card active; current pulses,
I
p
= 40 nAs
2.76 3.0 3.20 V
card active; current pulses,
I
p
= 40 nAs with
I
CC
 < 200 mA, t
p
< 400 ns
2.76 3.0 3.20 V
V
CC(ripple)(p-p)
ripple voltage on V
CC
(peak to peak value)
f
ripple
= 20 kHz to 200 MHz −−350 mV
I
CC
 card supply current V
CC
=0to5V −−80 mA
V
CC
=0to3V −−65 mA
V
CC
short-circuit to GND 100 120 150 mA
SR slew rate slew up or down 0.08 0.15 0.22 V/µs
SYMBOL PARAMETER CONDITIONS MIN. TYP MAX. UNIT