TDA8023 Datasheet, PDF (17/32 Pages) NXP Semiconductors – Low power IC card interface

NXP Semiconductors
TDA8023
Low power IC card interface
11. Characteristics
Table 15. Supply
V_DD = 3.3 V; V_DD(INTF) = 1.5 V; f_CLKIN = 10 MHz; GND = 0 V; T_amb = 25 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min Typ
V_DD
V_DD(DCDC)
supply voltage
DC-to-DC converter
supply voltage
on pin V_DD
on pin V_DDP
2.7 -
2.7 -
V_DD(INTF)
I_DD
interface supply voltage
supply current
on pin V_DDI
Shutdown mode
Inactive mode; CLKIN LOW or HIGH
1.5 -
[1] _-
-
[1] _-
-
Active mode; V_CC = 5 V; f_CLK = 5 MHz
[1]
capacitive; I_CC = 5 mA
-
-
capacitive; I_CC = 55 mA
-
-
inductive; I_CC = 5 mA
-
-
inductive; I_CC = 55 mA
-
-
Power-down mode; V_CC = 5 V; I_CC = 100 µA;
[1] _-
-
CLK stopped; CLKIN HIGH or LOW;
capacitive or inductive
I_DD(INTF)
V_th(POR)L
interface supply current on pin V_DDI
LOW-level power-on reset decreasing voltage on pin V_DD; see Figure 4
threshold voltage
-
-
2.30 -
V_hys(POR)
power-on reset hysteresis on pin V_DD; see Figure 4
voltage
50 -
Max Unit
6.5 V
6.5 V
6.5 V
10 µA
200 µA
15 mA
200 mA
15 mA
150 mA
2
mA
120 µA
2.60 V
150 mV
[1] Sum of currents on pins V_DD and V_DDI.
Table 16. Supply supervisor
V_DD = 3.3 V; V_DD(INTF) = 1.5 V; f_CLKIN = 10 MHz; GND = 0 V; T_amb = 25 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min Typ Max
Pin PORADJ
V_{th(H)(PORADJ)}
HIGH-level threshold voltage rising voltage;
on pin PORADJ
see Section 8.2.2
1.25 1.28 1.31
V_{th(L)(PORADJ)}
LOW-level threshold voltage falling voltage;
on pin PORADJ
see Section 8.2.2
1.19 1.22 1.25
V_hys
hysteresis voltage
V_{th(H)(PORADJ)} − V_{th(L)(PORADJ)};
see Section 8.2.2
30 60 90
∆V_th/∆T
I_L
Pin CDEL
threshold voltage variation
with temperature
leakage current
on V_{th(H)(PORADJ)}
and V_{th(L)(PORADJ)}
V_PORADJ < 0.6 V
V_PORADJ > 0.8 V
-
-
0.25
0
4
10
−1 -
+1
V_CDEL
I_CDEL
t_W
voltage on pin CDEL
current on pin CDEL
pulse width
pin grounded (charge)
V_CDEL = V_DD (discharge)
internal alarm pulse;
C_CDEL = 22 nF
-
-
V_DD + 0.3
-
−2 0
-
−5 -
-
10 -
Unit
V
V
mV
mV/°C
µA
µA
V
µA
mA
ms
TDA8023_1
Product data sheet
Rev. 01 — 16 July 2007
© NXP B.V. 2007. All rights reserved.
17 of 32