High Precision, Output Pin Programmable

Linear Hall Effect Sensors

A1374

5

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

CHARACTERISTIC PARAMETERS (continued)

SENSITIVITY TEMPERATURE COEFFICIENT PROGRAMMING

otherwise noted

Sensitivity Temperature

Coefficient Range

TC

Sensitivity T/C

codes 0 to 11,

minimum (absolute) positive

temperature coefficient attainable

–

0.07

–

%/°C

Sensitivity T/C

codes 16 to 27,

minimum (absolute) negative

temperature coefficient attainable

–

–

0.016

–

%/°C

Average Sensitivity

Temperature Coefficient Step

–

0.01

–

%/°C

Sensitivity Temperature

Coefficient Programming Bits

––

5

–

Bit

ONE-TIME PROGRAMMING

Device Programming Lock Bit

–

–

1

–

Bit

RATIOMETRY

Quiescent Voltage Error

–

±0.25

–%

Sensitivity Error

–

±1.0

–%

Clamp Error

–

±1.5

–%

LINEARITY

Positive Linearity Error

Lin+

–

±0.5

–%

Negative Linearity Error

Lin–

–

±0.5

–%

SYMMETRY

Symmetry Error

Sym

–

±0.35

–

%

ADDITIONAL CHARACTERISTICS

ΔSens

–

–

±2

%

Package Thermal Resistance

1 layer PCB with copper limited to

solder pads; see Allegro web site for

additional thermal information

–

177

–

°C/W

FAULT CONDITIONS

Shorted Output Wire

VOUT pin to VCC pin

–

–

18

mA

VOUT pin to GND pin

–

–

4

mA

steps (codes) in the range.

at the maximum values for Sensitivity T/C: Positive T/C and Sensitivity T/C: Negative T/C. The Programming Guidelines section in this document lists a

complete recommended order for programming individual values.

recover over time after removal from the bake.

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max

Units