User's Manual

8
2.5 Antenna Output
Symbol Parameter Min Typ Max Unit Notes
f
ANT
Antenna Signal
Frequency
13.56 MHz ±30 ppm (-20°C - 70°C).
f
ANTAG
Antenna Signal
Frequency Aging
0 3 ppm At 25°C.
V
ANTH
Antenna High Level
Output Voltage
V
DD
- 0.64 V I
ANT
= 80mA.
V
ANTL
Antenna Low Level
Output Voltage
0.64 V I
ANT
= 80mA.
I
ANT
ANT1 and ANT2 Current 0 60 100 mA
Maximum continuous current. This depends upon the impedance of
the circuit between ANT1 and ANT2 at 13.56MHz.
Table 2-4
2.6 Flash
Table 2-5
2.7 IDAC
Table 2-6
Symbol Parameter Min Typ Max Unit Notes
C
FE
Flash Erase Cycles Before
Failure
20000 cycles
10 years For ambient temperature < 85°C
20 years For ambient temperature < 70°C
T
FDR
Flash Data Retention Time
Range No Range [µA] Step Size [nA]
Nomina l
Current [ µA]
Current drop at
Vdd - 100 mV
[%]
Temperatur e
coefficient
[nA/°C]
Vol tage
coefficient
[nA/V]
Current drop at
200 mV [%]
Temperatur e
coefficient
[nA/°C]
Vol tage
coefficient
[nA/V]
0 < 0 ; 1.6 > 50 0.85 0.79 0.3 11.7 0.3 0.2 12.5
1 ( 1.6 ; 4.7 > 100 3.2 0.75 0.7 38.4 0.32 0.7 40.9
2 ( 4.7 ; 16 > 500 8.5 1.22 2.8 96.6 0.62 2.8 94.4
3 ( 16 ; 64 > 2000 34 3.54 10.9 159.5 1.75 10.9 148.6
Source
Sink
IDAC Pa ra meters
Precision