TLE4959C datasheet(8/14 Pages) INFINEON

8 / 14 page

Data Sheet

Ver. 1.0

2018-02

TLE4959C Transmission Speed Sensor

Electrical and Magnetic Characteristics

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

specified. Typical values correspond to VS = 5 V and TAmb. = 25°C

Table 4

Electrical and Magnetic Parameters

Parameter

Symbol

Values

Unit

Note or Test Condition

Min.

Typ.

Max.

Output saturation voltage

VQsat

500

IQ ≤ 15 mA

Clamping voltage VDD-Pin

VDD_clamp

–

leakage current through ESD

diode < 0.5mA

Clamping voltage VQ-Pin

VQclamp

leakage current through ESD

diode < 0.5mA

Reset voltage

VDD_reset

2.8

3.6

Output leakage current

IQleak

00.1

µA

VQ =18 V

Output current limit during

short-circuit condition

IQshort

Junction temperature limit for

output protection

Tprot

190

205

°C

Power on time

tpower_on

0.8

0.9

during this time the output is

locked to high.

Delay time between magnetic

signal switching point and

corresponding output signal

falling edge switching event

tdelay

µs

falling edge

Output fall time

tfall

2.0

2.5

3.0

µs

VPullup = 5 V, RPullup =1.2 kΩ (+/-

10%), CQ = 1.8 nF (+/-15%),

valid between 80% - 20%

3.2

4.5

5.8

µs

VPullup = 5 V, RPullup =1.2 kΩ (+/-

10%), CQ = 1.8 nF (+/-15%),

valid between 90% - 10%

Output rise time

trise1)2)

–

11.4

µs

RPullup =1.2 kΩ (+/-10%),

CQ = 1.8 nF (+/-15%),

valid between 10% - 90%

Digital noise constant of speed

channel during start up

DNCmin

1.22

1.5

1.78

Period Jitter, f ≤ 8 kHz3)

Jit8kHz

-1

–

1 sigma, ΔBpkpk = 3mT

Period Jitter, 8kHz ≤ f ≤ 10kHz3) Jit10kHz

-1.1

1.1

1 sigma, ΔBpkpk = 3mT

Number of wrong pulses at

start-up

nStart

––

in forward rotational direction

–

in backward rotational

direction

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