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MFRC522 Datasheet(PDF) 83 Page - NXP Semiconductors

Part No. MFRC522
Description  Contactless Reader IC
Download  109 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MFRC522 Datasheet(HTML) 83 Page - NXP Semiconductors

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


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