RX95HF Datasheet, PDF (32/44 Pages) STMicroelectronics – Near field communication transceiver for tag emulation

Electrical characteristics
RX95HF
6.5
RF characteristics
Test conditions are T_A = 0°C to 50°C, unless otherwise specified.
Symbol
Table 35. Tag Emulation characteristics
Parameter
Condition
Min. Typ. Max. Unit
f_C
Frequency of operating
field (carrier frequency)
Carrier Modulation Index
MI Carrier from reader
ISO/IEC 14443 -Type A
HField ⁽¹⁾
Operating field strength in
ISO/IEC 14443
13.553 13.56 13.567 MHz
%
100
1.5
7.5 A/m
V_MaxCarrier
Input voltage between RX1
and RX2
18
V
f_S ⁽²⁾
Frequency of Subcarrier
modulation (ISO/IEC
14443)
f_C / 16
Load Modulation Amplitude _{ISO 10373-6 test}
18
ALoad
f_C + f_S
f_C - f_S
methods for ISO/IEC
14443-A @ 1.5 A/m
18
mV
f_C + f_S
ISO 10373-6 test
8
methods for ISO/IEC
mV
f_C - f_S
14443-A @ 7.5A/m
8
Load Modulation Amplitude _{ECMA 356 test}
18
ALoad
f_C + f_S
f_C - f_S
methods for ECMA
340 @ 1.5 A/m
18
mV
f_C + f_S
ECMA 356 test
8
methods for ECMA
mV
f_C - f_S
340 @ 7.5 A/m
8
DataR ISO/IEC 14443 Type A
106
Kbps
1. Maximum values based on design simulation and/or characterization results, and not tested in production.
2. Parameter measured on samples using recommended output matching network.
Table 36. Field detection characteristics
Symbol
Parameter
Min. Typ. Max. Unit
Level of detection ⁽¹⁾
0.5
8
A/m
1. Parameter measured using recommended output matching network for ISO/IEC 14443 communication.
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