mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 83

• Manufacturer Part Number: mfrc522
• Description: Contactless Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
20. Limiting values
Table 155. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
21. Recommended operating conditions
22. Thermal characteristics
112132
Product data sheet
Symbol
AV
DV
PV
TV
SV
V
V
P
T
ESDH
ESDM
J
in
in,MFIN
tot
DD
DD
DD
DD
DD
Parameter
Supply voltage
Input voltage
Input voltage
Total power dissipation per package
(V
Junction temperature range
ESD Susceptibility (Human Body model) 1500 Ω, 100 pF;
ESD Susceptibility (Machine model)
BUS
and DV
Table 156: Operating conditions
[1]
[2]
[3]
Table 157: Thermal characteristics
Symbol Parameter
T
AV
DV
TV
PV
Symbol
R
amb
thj-a
DD
DD
DD
DD
DD
Supply voltages below 3 V reduces the performance (e.g. the achievable operating distance).
AV
PV
in short cut mode)
DD
DD
, DV
shall always be on the same or lower voltage level than DV
Ambient
Temperature
Supply Voltage
Parameter
Thermal resistance from
junction to ambient
DD
and TV
DD
shall always be on the same voltage level.
Rev. 3.2 — 22 May 2007
Conditions
HVQFN32
AV
TV
DV
Conditions
for all input-pins except
MFIN and Rx
for MFIN pin only
JESD22-A114-B
0.75 μH, 200 pF;
JESD22-A114-A
SS
S
DD
= 0 V, PV
= DV
=TV
Conditions
In still air with exposed
pad soldered on a
4 layer Jedec PCB
DD
SS
= PV
DD
≤ AV
SS
=
DD
=
[2]
[3]
Min
-25
2.5
1.6
DD
.
Min
PV
PV
-
-0.5
Package
HVQFN32 40
SS
SS
-0.5 SV
-0.5 PV
Typ
-
3.3
1.8
Contactless Reader IC
MFRC522
Max
+4.0
200
100
2000
200
© NXP B.V. 2007. All rights reserved.
DD
DD
Typ
+0.5
Max
+85
3.6
3.6
+0.5 V
Unit
V
V
mW
°C
V
V
Unit
K/W
83 of 109
Unit
°C
V
V