CRX14_05 datasheet(8/40 Pages) STMICROELECTRONICS

Part #	CRX14

Description	Low Cost ISO14443 type-B Contactless Coupler Chip with Anti-Collision, CRC Management and Anti-Clone Function

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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CRX14

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Figure 5. CRX14 Application Schematic

Figure 6. Maximum RL Value versus Bus Capacitance (CBUS) for an I

²C Bus

VREF

1

RFIN

2

E0

3

E1

4

E2

5

GND_RF

6

GND

7

GND

8

SDA

9

SCL

10

GND

11

OSC2

12

OSC1

13

GND_RF

14

RFOUT

15

VCC

16

U1

CRX14

X1

13.56MHz

C1 7pF50V

C2 7pF50V

C3

22nF50V

C8

100pF50V

C8'

8pF50V

C7

120pF50V

C7'

33pF50V

VCC

C6

100nF50V

+ C4

22uF 10V

FL4

0R

FL5 0R

FL6

0R

FL7

WURTH 742-792-042

R7

0R

R8

0R

R1

OPT

ANT1

ANT2

E0

E1

E2

SCL

SDA

1

2

3

4

J1

R2

0R

R3

OPT

R4

0R

R5

OPT

R6

0R

VCC

D1

1N4148 (OPTIONAL)

C5

10pF50V

AI10952

AI01665

VCC

CBUS

SDA

RL

MASTER

RL

SCL

CBUS

100

0

4

8

12

16

20

CBUS (pF)

10

1000

fc = 400kHz

fc = 100kHz

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CRX14 Datasheet(PDF) 8 Page - STMicroelectronics

CRX14 Datasheet(HTML) 8 Page - STMicroelectronics

Similar Part No. - CRX14_05

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