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

零件编号

产品描述 (功能)

生产厂家

TLE4942-1C

Differential Two-Wire Hall Effect Sensor IC

Infineon Technologies 

TLE4942-1

TLE4942-1C

Table 4 Electrical Characteristics (cont’d)

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.

Magnetic edges required n – DZ-calibration

–

6 2)

magn. 7th edge correct 3)

for offset calibration 2)

edges

in rare cases

(see Appendix B)

Number of pulses in

uncalibrated mode

n – DZ-calibration-

–

8

edges

rare

nDZ-Startup

–

–

5

pulses

in rare cases

(see Appendix B)

n – DZ-Startup-

–

7

pulses

rare

Number of pulses with

invalid direction

nDR-Startup

pulses After nDR-Startup

pulses + 1 the

information

direction

∆B < ∆BEL

∆B > ∆BEL

–

–

7

–

–

2 4)

information is

correct

Number of pulses with

nEL-Startup

–

–

7

pulses After nEL-Startup

invalid assembly bit

pulses + 1 the

information

assembly bit

information is

correct

Number of pulses where nLR-Startup –

–

5

pulses LR information is

the airgap warning

provided only in

information is suppressed

calibrated mode

Signal behavior after

nDZ-Start

–

–

2

edges Magnetic edge

undervoltage or

according to

standstill > tStop

Number of magnetic

edges where the first

∆ Bˆ

Limit, early startup

td,input has to be

taken into account

pulse in given.

Shortest time delay

between pulse 0 (stop

pulse) and pulse 1

293 345 397 µs

Reference rising

edges, includes

pre low length

Data Sheet

13

V 3. 1, 2005-02

Share Link: