AS3910 datasheet(9/47 Pages) AMSCO

номер детали	AS3910

подробное описание детали	13.56 MHz RFID Reader IC, ISO-14443 A/B

PDF	47 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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9 / 47 page

www.austriamicrosystems.com/HF_RFID_Reader/AS3910

Revision 2.3

9 - 47

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

VDD = 3.3V, Temperature = 25ºC, unless otherwise noted.

Table 5. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

IPD

Supply current in Power-down mode

0.3

µA

Supply current in Initial NFC target mode

3.5

µA

IRD

Supply current in Ready mode

13.56 MHz Xtal used, MCU_CLK

disabled

IRA

Supply current Receiver active

13.56 MHz Xtal used,

MCU_CLK disabled

ILP

Supply current all active, low power

receiver mode

RRFO

RFO1 and RFO2 driver output resistance

IRFO=10mA

All segments ON

1.5

VRFI

RFI input sensitivity

fSUB=848kHz

1. Amplitude of carrier signal at RFI inputs is 2.5Vpp, maximum amplitude is 3Vpp.

0.5

mVrms

VRFI_LP

RFI input sensitivity, low power receiver

mode

fSUB=848kHz

1.5

mVrms

RRFI

RFI input resistance

VPOR

Power on Reset Voltage

1.0

1.4

<2.4

VAGD

AGD voltage

1.4

1.5

1.6

VAR

Regulator drop

After execution of direct command

Adjust Regulators

250

TOSU

Oscillator start-up time

13.56MHz or 27.12MHz crystal

RS=50Ω max, load capacitance

according to crystal specification

0.7

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