PCF7341ATJ データシートの表示（PDF） - NXP Semiconductors.

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PCF7341ATJ

Security Transponder and RISC Controller (STARC 2XLite)

NXP Semiconductors. 

NXP Semiconductors

Security Transponder and RISC Controller (STARC 2XLite)

Product Specification

PCF7x41ATJ

11 DEVICE CHARACTERISTICS

11.1 Electrical Characteristics

Tamb = -40 to +85°C, fSYS = 125kHz, TO = 1/fSYS. Unless otherwise specified

SYMBOL

PARAMETER

CONDITION

MIN

Operating Conditions

CVFLD

L

Supply blocking capacitor

Transponder coil inductance

fRES

Resonance frequency

119

BW

Bandwidth

2.3

BTHR

Magnetic flux density,

60

Read direction

BPRG

Magnetic flux density for EEPROM m = 0,95, TWRP = 8 TO

60

programming

Note 1

BAUT

Magnetic flux density for device authentication m = 0,95, TWRP = 8 TO

60

Note 1

BREAD

MIPRG

LF field absorption in read direction, Note 1 BFIELD = 60 TPP

4.5

Minimum modulation index (m)

BFIELD = 60 TPP, TWRP = 8 TO

Write direction (device programming and Note 1

authentication).

TYP MAX UNIT

22

nF

4.8

mH

131 kHz

kHz

400 TPP

400 TPP

400 TPP

TPP

95

%

Note

1. Modulation index (m) and LF Field absorption (BREAD) are defined according to Figure 7.

2. Parameters are measured with the Scemtech test equipment STM-1 in a Helmholtz arrangement according to section 12.

3. Typical temperature dependency of bandwidth BW shown in Figure 8.

Transponder

LF Field

BMIN BMAX

Figure 7. Definition of modulation index (m) and LF field absorption (BREAD)

BMAX - BMIN

m=

BMAX + BMIN

BREAD = BMAX - BMIN

2013 Oct 15

12

Confidential

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