TDA8024 Datasheet, PDF (17/29 Pages) NXP Semiconductors – IC card interface

Philips Semiconductors
IC card interface
Product specification
TDA8024
12 CHARACTERISTICS
V_DD = 3.3 V; V_DDP = 5 V; T_amb = 25 °C; f_XTAL = 10 MHz; all currents flowing into the IC are positive; see note 1; unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP
MAX. UNIT
Temperature
T_amb
ambient temperature
Supplies
V_DD
V_DDP
I_DD
I_DDP
V_th2
V_hys2
supply voltage
DC/DC converter supply
voltage
supply current
V_CC = 5 V; I_CC < 80 mA
V_CC = 5 V; I_CC < 20 mA
card inactive
DC/DC converter supply
current
falling threshold voltage on
V_DD
hysteresis of threshold
voltage V_th2
card active; f_CLK = f_XTAL;
C_L = 30 pF
inactive mode
active mode; f_CLK = f_XTAL;
C_L = 30 pF; I_CC = 0
V_CC = 5 V; I_CC = 80 mA
V_CC = 3 V; I_CC = 65 mA
no external resistors at
pin PORADJ; V_DD level falling
no external resistors at
pin PORADJ
Pin PORADJ; note 2
V_{th(ext)(rise)}
V_{th(ext)(fall)}
V_hys(ext)
∆V_hys(ext)
external rising threshold
voltage on V_DD
external falling threshold
voltage on V_DD
hysteresis of threshold
voltage V_th(ext)
hysteresis of threshold
voltage V_th(ext) variation
with temperature
external resistor bridge at
pin PORADJ; V_DD level rising
external resistor bridge at
pin PORADJ; V_DD level falling
external resistor bridge at
pin PORADJ
external resistor bridge at
pin PORADJ
t_w
width of internal Power-on no external resistors at
reset pulse
pin PORADJ
external resistor bridge at
pin PORADJ
I_L(PORADJ)
P_tot
leakage current on
pin PORADJ
total power dissipation
V_PORADJ < 0.5 V
V_PORADJ > 1 V
continuous operation;
T_amb = −25 to +85 °C
−25
2.7
4.0
3.0
−
−
−
−
−
−
2.35
50
1.240
1.190
30
−
4
8
−0.1
−1
−
−
+85
°C
−
6.5
V
5.0
6.5
V
−
6.5
V
−
1.2
mA
−
1.5
mA
−
0.1
mA
−
10
mA
−
200
mA
−
100
mA
2.45
2.55
V
100
150
mV
1.28
1.310 V
1.22
1.26
V
60
90
mV
−
0.25
mV/K
8
12
ms
16
24
ms
4
10
µA
−
+1
µA
−
0.56
W
2004 July 12
17