HAL400 datasheet(13/16 Pages) ITT

13 / 16 page

HAL400

PRELIMINARY DATA SHEET

ITT Semiconductors

Application Circuits

The normal integrating characteristics of a voltmeter is

sufficient for signal filtering.

Do not connect OUT1 or OUT2 to Ground.

VSUP

OUT1

OUT2

GND

HAL 400

High

Low

Fig. 7: Flux density measurement with voltmeter

VCC

Voltage

Meter

Display the difference between channel 1 and channel

2 to show the Hall voltage. Capacitors 4.7 nF and 330 pF

for electromagnetic immunity are recommended.

Do not connect OUT1 or OUT2 to Ground.

VDD

OUT1

OUT2

GND

HAL 400

Oscillo-

scope

Ch1

Ch2

Fig. 8: Filtering of output signals

VSUP

330 p

4.7n

47 n

1 k

3.3 k

6.8 n

Do not connect OUT1 or OUT2 to Ground.

VDD

OUT1

OUT2

GND

HAL 400

Fig. 9: Differential HAL400 output to single-ended output

R = 10 k

Ω, C = 7.5 nF, ∆R for offset adjustment, BW–3dB = 1.3 kHz

VSUP

330 p

4.7n

ADC

VCC

1.5 R

R–

∆R

R+

∆R

1.33 C

0.75 R

CMOS

OPV

0.22 R

4.4 C

3 C

–

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