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AS3911 Datasheet(PDF) 8 Page - ams AG

Part # AS3911
Description  NFC Initiator / HF Reader IC
PDF  149 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3911 Datasheet(HTML) 8 Page - ams AG

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AS3911 – 8
ams Datasheet, Confidential: 2013-Oct [2-03]
E l ec t r i c al C h a r ac teri sti c s
All limits are guaranteed. The parameters with min and max
values are guaranteed with production tests or SQC (Statistical
Quality Control) methods.
Operating Conditions
All defined tolerances for external components in this
specification need to be assured over the whole operation
condition range and also over lifetime.
Figure 6:
Operating Conditions
DC/AC Characteristics for Digital Inputs and
Outputs
CMOS Inputs:
Valid for input pins /SS, MOSI, and SCLK
Figure 7:
CMOS Inputs
Symbol
Parameter
Min
Max
Unit
Comments
VDD
Positive supply voltage
2.4
5.5
V
In case power supply is
lower than 2.6V, PSSR
cannot be improved using
internal regulators
(minimum regulated
voltage is 2.4V)
VDD_IO
Peripheral
communication supply
voltage
1.65
5.5
V
VSS
Negative supply voltage
0
0
V
TJUN
Junction temperature
-40
125
°C
VRFI_A
RFI input amplitude
150 milli
3
Vpp
Minimum RFI input signal
definition is meant for NFC
receive mode. In HF reader
mode and NFC transmit
mode, the recommended
signal level is 2.5Vpp
Symbol
Parameter
Min
Max
Unit
VIH
High level input voltage
0.7 * VDD_IO
V
VIL
Low level input voltage
0.3 * VDD_IO
V
ILEAK
Input leakage current
1
μA
Electrical Characteristics



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