TLE4943C datasheet(33/48 Pages) INFINEON

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TLE4943C

Data Sheet

V 1.2, July 2018

3.4

Electrical Characteristics

All values specified at constant amplitude and offset of input signal, over operating range, unless otherwise

specified. Typical values correspond to VDD=12V and TA=25°C

Table 6

Electrical Characteristics1)

Parameter

Symbol

Values

Unit

Note / Test Condition

Min.

Typ.

Max.

Supply current low

Ilow

5.9

8.4

Supply current mid

Imid

11.8

16.8

Supply current high

Ihigh

23.6

33.6

Supply current ratio middle/low

Imid/Ilow

1.8

2.0

2.6

Supply current ratio high/low

Ihigh/Ilow

3.6

5.0

Supply current @ VDD >= Vres_min

1mA

Line regulation

dIx/dVDD

uA/V

Number of pulses suppressed

8)after power on and

internal reset

Magnetic edges required for first

output pulse

1edge

Number of pulses required for

initial offset calibration

nstart

edges 5th “pulse” is offset

corrected2)8)

Number of pulses required for

initial LM measurement

pulses 8)

Number of pulses required for

initial valid direction detection3)

nDR-start

4pulses 4th pulse has valid

direction information,

dBdir>=2*dBdirmin

4)8)

7pulses 7th pulse has valid

direction info

2*dBdirmin>dBdir>=dBdirmin

4)8)

Valid direction after change of

direction5)

3pulses 3rd pulse has valid

direction information,

dBdir>=2*dBdirmin

4)8)

6pulses 6th pulse has valid

direction info

2*dBdirmin>dBdir>1.8*dBdirmin

4)8)

7pulses 7th pulse has valid

direction info

1.8*dBdirmin>dBdir>dBdirmin

4)8)

Frequency limit for direction

information availability

fdir-limit

27006)8)

due to bit stump

suppression

Power up time

time for stable current8)

Initial calibration delay time

td,input

220

300

additive to power up time8)

Duty cycle in calibrated mode

DCcal

dB >=2mT sine wave

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