mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 3

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

NXP Semiconductors
4. Quick reference data
Table 1.
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
112132
Product data sheet
Symbol
AV
DV
TV
PV
SV
I
I
I
I
I
I
I
T
HPD
SPD
DVDD
AVDD
AVDD,RCVOFF
PVDD
TVDD
amb
DD
DD
DD
DD
DD
Supply voltage below 3 V reduces the performance (e.g. the achievable operating distance).
AV
PV
I
I
During operation with a typical circuitry the overall current is below 100 mA.
I
Typical value using a complementary driver configuration and an antenna matched to 40 Ω between TX1 and TX2 at 13.56 MHz
TVDD
PVDD
SPD
DD
DD
and I
, DV
depends on TV
depends on the overall load at the digital pins.
shall always be on the same or lower voltage level than DV
Quick reference data
DD
HPD
Parameter
Supply Voltage
Pad power supply
MFIN/MFOUT Pad Power
Supply
Hard Power-down Current
Soft Power-down Current
Digital Supply Current
Analog Supply Current
Analog Supply Current,
receiver switched off
Pad Supply Current
Transmitter Supply Current
operating ambient temperature
and TV
are the total currents over all supplies.
DD
DD
shall always be on the same voltage level.
and the external circuitry connected to Tx1 and Tx2
Conditions
AV
PV
AV
PV
AV
N
AV
RF level detector on
AV
Continuous Wave
AV
AV
DV
RESET
Rev. 3.2 — 22 May 2007
SS
SS
SS
DD
DD
DD
DD
DD
DD
DD
= DV
= DV
= DV
= DV
= 3 V, bit RCVOff = 0
= DV
= 3 V, bit RCVOff = 1
≤ AV
≤ AV
= 3 V
= LOW
SS
DD
SS
DD
SS
DD
DD
= PV
= PV
= PV
= DV
= DV
= TV
= TV
DD
.
SS
SS
SS
DD
DD
DD
DD
= TV
= TV
= TV
= PV
= PV
=TV
=TV
SS
SS
SS
DD
DD
DD
DD
= 0 V,
= 0 V,
= 0 V,
= 3 V,
= 3 V,
[1][2]
[1][2]
[1][2]
[3]
[4]
[4]
[2]
[1][3][8]
Min
2.5
1.6
1.6
-
-
-
-
-
-
-
-25
Contactless Reader IC
Typ
-
-
-
-
-
6.5
7
3
-
60
MFRC522
© NXP B.V. 2007. All rights reserved.
Max
3.6
3.6
3.6
5
10
9
10
5
40
100
+85
3 of 109
Unit
V
V
V
μA
μA
mA
mA
mA
mA
mA
°C