TLE4942-1C 查看數據表（PDF） - Infineon Technologies

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TLE4942-1C

Differential Two-Wire Hall Effect Sensor IC

Infineon Technologies 

TLE4942-1

TLE4942-1C

Table 4 Electrical Characteristics

All values specified at constant amplitude and offset of input signal, over

operating range, unless otherwise specified.

Typical values correspond to VCC = 12 V and TA = 25°C

Parameter

Symbol

Limit Values

Unit Remarks

min. typ. max.

Supply current

ILOW

5.9 7

Supply current

IHIGH

11.8 14

Supply current ratio

IHIGH / ILOW 1.9

–

Output rise/fall slew rate tr, tf

TLE4942-1

12 –

7.5 –

8.4

16.8

–

26

24

mA

mA

mA/µs RM ≤ 150 Ω

RM ≤ 750 Ω

See Figure 6

Output rise/fall slew rate tr, tf

TLE4942-1C

mA/µs RM = 75 Ω

8

–

22

T < 125°C

8

–

26

T < 170°C

See Figure 6

Current ripple dIX/dVCC

Limit threshold

1 Hz < f < 2500 Hz

2500 Hz < f < 5000 Hz

IX

B ∆ Limit

–

–

90 µA/V

mT

1)

0.35 0.8 1.5

–

–

1.6

Airgap warning threshold B ∆ Warning

mT

1)

1 Hz < f < 2500 Hz

0.9 1.6 2.6

2500 Hz < f < 5000 Hz

–

–

2.8

Limit - Airgap warning

threshold ratio

Assembly position

threshold

B ∆ / Warning 1.3

2

2.7

B ∆ Limit

∆BEL

5.2 7.2 9.6 mT 1)

At room temp

Magnetic differential field

∆ Bˆ

Limit, early

–

–

–

change necessary to

startup

detect magnetic edge in

uncalibrated mode

First detected

magnetic edge

is suppressed

(nonvalid)

∆ Bˆ

Limit, early startup

Initial calibration

delay time

td,input

0.7 1.76 3.3 mT

255 300 345 µs

Additional to nstart

Magnetic edges

nDZ-start

–

–

1 2) magn. After power on

suppressed until output

edges and stop pulse

switching

Data Sheet

12

V 3. 1, 2005-02

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