TLE5010 datasheet(49/56 Pages) INFINEON

номер детали	TLE5010

подробное описание детали	GMR Based Angular Sensor

PDF	56 Pages

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производитель	INFINEON [Infineon Technologies AG]

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TLE5010

Overvoltage Comparators

Draft

Preliminary Data Sheet

V 0.9, 2007-05

12.3

GND - Off Comparator

This comparator is used to detect a voltage difference between the GND pin and TST1

(which must be soldered to GND in the application). It activates the

STAT_VR bit.

This circuit can detect a disconnection of the Supply GND Pin.

Figure 18

GND - Off Comparator

12.4

VDD - Off Comparator

This comparator detects a disconnection of the VDD pin supply voltage. In this case the

TLE5010 is supplied by the SCK, CLK and CS input pins via the ESD structures.

It activates the

STAT_VR bit.

The retriggerable analog monoflop is necessary because of the not static signal of the

CLK and SCK signals.

This comparator is also activated, if spikes on CLK or SCK achieve the condition:

(

VCLK - VDD) > VVDDoff or (VSCK - VDD) > VVDDoff

Figure 19

VDD - Off Comparator

10µs

Spike

Filter

GND_OFF

VDDA

GND

TST1

GND

VDD

+dV

VGNDoff

10µs

Spike

Filter

VDD _OFF

VDDA

GND

VDD

CLK

SCK

-dV

GND

1µs

Mono

Flop

VVDDoff

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