4201R4 データシートの表示（PDF） - Infineon Technologies

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4201R4

Differential Two-Wire Hall Effect Sensor IC

Infineon Technologies 

TLE4942 Series

Differential Two-Wire Hall Effect Sensor IC

TLE4942-1

TLE4942-1C

Features

• Two-wire PWM current interface

• Detection of rotation direction

• Airgap diagnosis

• Assembly position diagnosis

• Dynamic self-calibration principle

• Single chip solution

• No external components needed

• High sensitivity

• South and north pole pre-induction possible

• High resistance to piezo effects

• Large operating air-gaps

• Wide operating temperature range

• TLE4942-1C: 1.8 nF overmolded capacitor

PG-SSO-2-1

PG-SSO-2-2

Type

TLE4942-1

TLE4942-1C

Marking

4201R4

42C1R4

Ordering Code

Q62705-K738

Q62705-K709

Package

PG-SSO-2-1

PG-SSO-2-2

The Hall Effect sensor IC TLE4942-1 is designed to provide information about rotational

speed, direction of rotation, assembly position and limit airgap to modern vehicle dynamics

control systems and ABS. The output has been designed as a two wire current interface

based on a Pulse Width Modulation principle. The sensor operates without external

components and combines a fast power-up time with a low cut-off frequency. Excellent

accuracy and sensitivity is specified for harsh automotive requirements as a wide temperature

range, high ESD robustness and high EMC resilience. State-of-the-art BiCMOS technology

is used for monolithic integration of the active sensor areas and the signal conditioning.

Finally, the optimized piezo compensation and the integrated dynamic offset compensation

enable easy manufacturing and elimination of magnet offsets. The TLE4942-1 is

additionally provided with an overmolded 1.8 nF capacitor for improved EMI performance.

Data Sheet

3

V 3. 1, 2005-02

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