TLE4998C4 Infineon Technologies, TLE4998C4 Datasheet - Page 9
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TLE4998C4
Manufacturer Part Number
TLE4998C4
Description
IC HALL SENSOR LINEAR SSO-4
Manufacturer
Infineon Technologies
Type
Linear - Programmabler
Datasheet
1.TLE4998C4.pdf
(42 pages)
Specifications of TLE4998C4
Sensing Range
-200mt Trip ~ 200mT Release
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
8mA
Current - Output (max)
5mA
Output Type
Digital, PWM (Current)
Operating Temperature
-40°C ~ 150°C
Package / Case
4-SIP, SSO-4-01
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Other names
SP000440972
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interface is further described in
pulling the output pin to low only. Therefore, the high level needs to be obtained by an
external pull-up resistor. This output type has the advantage that the receiver may use
an even lower supply voltage (e.g. 3.3 V). In this case the pull-up resistor must be
connected to the given receiver supply.
The IC is produced in BiCMOS technology with high voltage capability, and it also has
reverse-polarity protection.
Digital signal processing using a 16-bit DSP architecture together with digital
temperature compensation guarantee excellent long-time stability compared to analog
compensation methods.
While the overall resolution is 16 bits, some internal stages work with resolutions up to
20 bits.
2.3
• A magnetic flux is measured by a Hall-effect cell
• The output signal from the Hall-effect cell is converted from analog to digital
• The chopped Hall-effect cell and continuous-time A/D conversion ensure a very low
• A programmable low-pass filter to reduce noise
• The temperature is measured and A/D converted, too
• Temperature compensation is done digitally using a second-order function
• Digital processing of output value is based on zero field and sensitivity value
• The output value range can be clamped by digital limiters
• The final output value is represented by the data nibbles of the SPC protocol
Data Sheet
and stable magnetic offset
Principle of Operation
Chapter
12. The output stage is an open-drain driver
9
TLE4998C3C
Rev 1.1, 2009-09
General