Data Sheet

LC840PA
Datasheet
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18
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3.3 Electrical Specifications
3.3.1 Absolute Maximum Ratings
Absolute maximum ratings for supply voltage and voltages on digital and analogue pins of the module are listed below;
exceeding these values causes permanent damage.
Table 2: Maximum current ratings
Parameter
Min
Max
Unit
Voltage at VDD pin
-0.3
+3.9 (Note 1)
V
Voltage at VDD_HV pin
-0.3
+5.5
V
VBUS
-0.3
+5.8
V
Voltage at GND pin
0
V
Voltage at SIO pin (at VDD≤3.6V)
-0.3
VDD +0.3
V
Voltage at SIO pin (at VDD≥3.6V)
-0.3
3.9
V
NFC antenna pin current (NFC1/2)
-
80
mA
Radio RF input level
-
-1
dBm
Environmental
Storage temperature
-40
+85
ºC
MSL (Moisture Sensitivity Level)
-
4
-
ESD (as per EN301-489)
Conductive
Air Coupling
4
8
KV
KV
Flash Memory (Endurance) (Note 2)
-
10000
Write/erase cycles
Flash Memory (Retention)
-
10 years at 40°C
-
Maximum Ratings Notes:
Note 1
The absolute maximum rating for VDD pin (max) is 3.9V for the LC840PA.
Note 2
Wear levelling is used in file system.
3.3.2 Recommended Operating Parameters
Table 3: Power supply operating parameters
Parameter
Min
Typ
Max
Unit
VDD (independent of DCDC)
1
supply range
3.0
3.3
3.6
V
VDD_HV (independent of DCDC) supply range
3.0
3.7
5.5
V
VBUS USB supply range
4.35
5
5.5
V
VDD Maximum ripple or noise
2
-
-
10
mV
VDD supply rise time (0V to 1.7V)
3
Time in Power
-
-
60
mS
mS
mS
mS
VDD_HV supply rise time (0V to 3.7V)
3
100
mS
Operating Temperature Range
-40
-
+85
ºC
Maximum Received Signal Strength at <0.1% PER
-11
dBm