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US5781ESE

Unipolar Hall Switch – Mediu m Sensitivity

Melexis Microelectronic Systems  

US5781

Unipolar Hall Switch – Medium Sensitivity

6 General Electrical Specifications

DC Operating Parameters TA = 25oC, VDD = 12V (unless otherwise specified)

Parameter

Symbol Test Conditions

Min

Supply Voltage

VDD

Operating

3.5

Supply Current

IDD

B < BRP

0.5

Output Saturation Voltage

VDSon

IOUT = 20mA, B > BOP

Output Leakage Current

IOFF

B < BRP, VOUT = 24V

Output Rise Time

tr

RL = 1kΩ, CL = 20pF

Output Fall Time

tf

RL = 1kΩ, CL = 20pF

Maximum Switching Frequency FSW

SE Package Thermal Resistance RTH

Single layer (1S) Jedec board

UA Package Thermal Resistance RTH

Table 3: Electrical specifications

Typ Max

24

2.5

5

0.3 0.5

0.01 10

0.25

0.25

10

301

200

Units

V

mA

V

µA

µs

µs

KHz

°C/W

°C/W

7 Magnetic Specifications

DC Operating Parameters TA = 25oC, VDD = 12V (unless otherwise specified)

Parameter

Symbol Test Conditions

Min Typ Max Units

Operating Point

BOP

7

12

15

mT

Release Point

BRP

3.5 7.5 10

mT

Hysteresis

BHYST

2

5

7

mT

Table 4: Magnetic specifications

8 Output Behaviour versus Magnetic Pole

DC Operating Parameters TA = -40oC to 150oC, VDD = 3.5V to 24V (unless otherwise specified)

Parameter

Test Conditions (SE) OUT (SE) OUT (UA)

South pole

B > BOP

High

Low

Null or weak magnetic field B -7 0 or B < BRP

High

High

North pole

B > BOP

Low

High

Table 5: Output behaviour versus magnetic pole

North pole

OUT = low (VDSon)

SE package

South pole

OUT = low (VDSon)

UA package

3901005781

Rev 014

Page 4 of 11

Data Sheet

Mar/12

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