MC33690 Просмотр технического описания (PDF) - Freescale Semiconductor

Номер в каталоге

Компоненты Описание

производитель

MC33690

Standalone Tag Reader Circuit

Freescale Semiconductor 

VRD

VSENSE

ISO 9141 Interface

Demodulator

output (K or DOUT)

tDemod

Figure 12. Demodulator Parameters Definition

16 ISO 9141 Interface

Typical values reflect average measurements at 6V ≤ VSUP ≤ 16V, VSS = 0V, TJ = –40°C to +125°C, unless otherwise noted

Table 10. ISO 9141 Interface Specifications

Parameter

Symbol

Test Conditions

and Comments

Min Typ Max Unit Type

4.0 Input Low Voltage

4.1 Input High Voltage

4.2 Input Hysteresis Voltage

4.3 Biasing Current

4.31 Input Current

4.4 K to Rx delay

5.0 Output Falling Edge Slew Rate

5.1 Output Rising Edge Slew Rate

5.2

Rise Fall Slew Rates Symmetry

5.3 Output Low Voltage

5.4 Input Current

(driver switched on or off)

5.5 Current Limitation Threshold

5.6 Thermal Shutdown Threshold

Receiver (pins K and AM)

VIL

VIH

VHY1

IB

IBM

tdkrx

—

—

—

0V ≤ VIN ≤ 16V

-3 ≤ VIN < 0

—

—

— 0.3 x V —

VSUP

0.65 x —

VSUP

40

V—

0.4 0.65 1.3 V —

1

3

5 μA —

−2

−1

— mA —

2

10 μs —

Driver (pin K)

SRF

RPull-up = 510Ω,

3.5

5

6.5 V/μs —

SRR

Calculated from 20% to 80% of

the output swing.

3.5

5

6.5 V/μs —

SRSYMET

−1

0

1 V/μs —

RY

VOLK

ILOAD = 25mA

—

1.1 1.4 V —

IIK

−3V ≤ VIN ≤ 0V

−2

—

0 mA —

IL

THSDWN

0V ≤ VIN ≤ 40V

—

35

50

65 mA —

130 150 170 °C —

MC33690 Standalone Tag Reader Circuit, Rev. 5

Freescale Semiconductor

17

Share Link: