LRI64 datasheet(40/52 Pages) STMICROELECTRONICS

部件名	LRI64

功能描述	Memory tag IC at 13.56 MHz, with 64-bit unique ID and WORM user area, ISO 15693 and ISO 18000-3 Mode 1 compliant

PDF	52 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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40 / 52 page

DC and AC parameters

LRI64

40/52

DC and AC parameters

This section summarizes the operating and measurement conditions, and the DC and AC

characteristics of the device. The parameters in the DC and AC Characteristic tables that

follow are derived from tests performed under the measurement conditions summarized in

the relevant tables. Designers should check that the operating conditions in their circuit

match the measurement conditions when relying on the quoted parameters.

Figure 38.

LRI64 synchronous timing, transmit and receive

Figure 38 shows an ASK modulated signal, from the VCD to the LRI64. The test condition

for the AC/DC parameters are:

●

Close coupling condition with tester antenna (1mm)

●

Gives LRI64 performance on tag antenna

Table 12.

Operating conditions

Symbol

Parameter

Min.

Max.

Unit

Ambient operating temperature

–20

°C

Table 13.

DC characteristics

Symbol

Parameter

Test conditions(1)

TA = –20 to 85 °C

Min.

Typ.

Max.

Unit

VCC

Regulated voltage

1.5

3.0

VRET

Retromodulated induced voltage

ISO10373-7

ICC

Supply current

Read

VCC = 3.0 V

µA

Write

VCC = 3.0 V

150

µA

CTUN

Internal tuning capacitor

f=13.56 MHz for W4/1

f=13.56 MHz for W4/2

28.5

f=13.56 MHz for W4/3

AI06680B

tRFF

tRFR

tRFSBL

tMIN CD

fCC

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