HAL855UT-K datasheet(12/42 Pages) MICRONAS

tên linh kiện	HAL855UT-K

Giải thích chi tiết về linh kiện	Programmable Linear Hall-Effect Sensor with Arbitrary Output Characteristic

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nhà sản xuất	MICRONAS [Micronas]

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HAL855

DATA SHEET

Nov. 26, 2008; DSH000149_003EN

Micronas

Digital Output

This 12-bit register delivers the actual digital value of

the applied magnetic field after the signal processing.

This register can only be read out, and it is the basis

for the calibration procedure of the sensor in the sys-

tem environment.

Offset Correction

The OFFSET CORRECTION register allows to adjust

the digital offset of the built-in A/D-converter. The digi-

tal offset can be programmed to

−3/4, −1/2, −1/4, 0,

+1/4, +1/2, +3/4 of full-scale.

Slew Rate

The SLEW RATE register is a “sub”-register of the

CURRENTSOURCE register. The output fall time of

the HAL855 depends on the SLEW RATE register set-

ting and the external load circuit.

Note: The output rise time is purely due to the external

load and is not controlled by the SLEW RATE

Note: The slew rate can be programmed to optimize

the EMI behavior of the application.

Table 2–6: OFFSET CORRECTION register definition

Offset Correction

Bit Setting

−3/4

−1/2

−1/4

1/4

1/2

3/4

Table 2–7: SLEW RATE register definition

Typ. Slew Rate

(3.6 k

Ω pull-up, 4.7 nF)

Bit Setting

0.3 µs

0.8 µs

1.2 µs

1.5 µs

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