AS3910-BQFP AMSCO [austriamicrosystems AG], AS3910-BQFP Datasheet - Page 9

• Manufacturer Part Number: AS3910-BQFP
• Description: 13.56 MHz RFID Reader IC, ISO-14443 A/B
• Manufacturer: AMSCO [austriamicrosystems AG]

AS3910
Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s
V
Table 5. Electrical Characteristics
1. Amplitude of carrier signal at RFI inputs is 2.5Vpp, maximum amplitude is 3Vpp.
www.austriamicrosystems.com/HF_RFID_Reader/AS3910
DD
V
Symbol
= 3.3V, Temperature = 25ºC, unless otherwise noted.
R
RFI_LP
V
V
T
V
R
V
I
I
I
I
RFO
PD
RD
RA
POR
AGD
OSU
LP
RFI
RFI
AR
RFO1 and RFO2 driver output resistance
Supply current in Initial NFC target mode
RFI input sensitivity, low power receiver
Supply current in Power-down mode
Supply current all active, low power
Supply current Receiver active
Supply current in Ready mode
Power on Reset Voltage
Oscillator start-up time
RFI input resistance
RFI input sensitivity
Regulator drop
receiver mode
AGD voltage
Parameter
mode
After execution of direct command
13.56 MHz Xtal used, MCU_CLK
according to crystal specification
R
13.56MHz or 27.12MHz crystal
S
=50Ω max, load capacitance
13.56 MHz Xtal used,
MCU_CLK disabled
Revision 2.3
Adjust Regulators
All segments ON
f
f
SUB
Conditions
SUB
I
RFO
disabled
=848kHz
=848kHz
=10mA
1
Min
1.0
1.4
Typ
250
0.3
3.5
1.5
0.5
1.5
1.4
0.7
10
1.5
2
5
3
<2.4
Max
1.6
2
7
3
7
5
4
mVrms
mVrms
Units
µA
µA
mA
mA
mA
kΩ
mV
ms
Ω
V
V
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