MC33794 Просмотр технического описания (PDF) - Freescale Semiconductor

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производитель

MC33794

Electric Field Imaging Device

Freescale Semiconductor 

EXAMPLE APPLICATION DIAGRAM

VCC

47 µF

Indicator

Lamp

10 nF

Analog_IN

Analog_IN

Analog_IN

Analog_IN

MCU

ISO_Tx

ISO_Rx

Watchdog

Reset

GPx

(Optional)

(Optional)

(Optional)

Electrode Select

4

Shield Disable

+9 to +18 V

0.1 µF

33794

VPWR

LAMP_OUT

LP_CAP

LEVEL

VDD_MON

PWR_MON

LAMP_MON

VCC

VDD

ISO-9141

LAMP_SENSE

ISO_IN

ISO_OUT

SIGNAL

WD_IN

REF_A

RST

REF_B

LAMP_CTRL

LAMP_GND

E1

TEST

E2

A, B, C, D

SHIELD_EN

E9

R_OSC

SHIELD

GND

AGND

39 kΩ

10 kΩ

47 µF

ISO-9141 Bus

Monitor (Optional)

100 pF

10 pF

1

2

Field

Electrodes

9

Figure 3. Example Application Diagram

MC33794

14

Sensors

Freescale Semiconductor

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