Honeywell HMC1055 User Manual

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HMC1055

Advance Information SENSOR PRODUCTS

3-AXIS COMPASS SENSOR SET

Features

x 3 Precision Sensor Components
x 2-Axis Magnetoresistive Sensor for X-Y Axis

Earth’s Field Detection

x 1-Axis Magnetoresistive Sensor for Z-Axis Earth’s

Field Detection

x 2-Axis Accelerometer for 60° Tilt Compensation
x 2.7 to 5.5 volt Supply Range
x 3-Axis Compass Reference Design Included

Product Description

The Honeywell HMC1055 3-Axis Compass Sensor Set
combines the popular HMC1051Z one-axis and the
HMC1052 two-axis magneto-resistive sensors plus a 2­axis MEMSIC MXS3334UL accelerometer in a single
kit. By combining these three sensor packages, OEM
compass system designers will have the building
blocks needed to create their own tilt compensated
compass designs using these proven components.

The HMC1055 chip set includes the three sensor
integrated circuits and an application note describing
sensor function, a reference design, and design tips for
integrating the compass feature into other product
platforms.

DIAGRAMS

Pinouts (top view)

HONEYWELL

HMC1051Z

HMC
1052

678910

B

A

12345678

12345

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HMC1055

Advance Information SENSOR PRODUCTS
SPECIFICATIONS – MAGNETIC SENSORS HMC1051Z, HMC1052

Characteristics Conditions* Min Typ Max Units

Bridge Elements

Supply Vbridge referenced to GND 1.8 2.5 20 Volts

Resistance Bridge current = 1mA 800 1000 1500 ohms

Field Range Full scale (FS) – total applied field -6 +6 gauss

Sensitivity Set/Reset Current = 0.5A 0.8 1.0 1.2 mV/V/gauss

Bridge Offset Offset = (OUT+) – (OUT-)

Field = 0 gauss after Set pulse

Bandwidth Magnetic signal (lower limit = DC) 5 MHz

Noise Density @ 1kHz, Vbridge=5V 50 nV/sqrt Hz

Resolution 50Hz Bandwidth, Vbridge=5V 120

Disturbing Field Sensitivity starts to degrade.

Use S/R pulse to restore sensitivity.

Max. Exposed

No perming effect on zero reading 10000 gauss

Field

Operating

Ambient -40 125 °C

Temperature

Storage

Ambient, unbiased -55 150 °C

Temperature

Sensitivity

Tempco

Bridge Offset

Tempco

Bridge Ohmic

TA=-40 to 125°C, Vbridge=5V

T

=-40 to 125°C, Ibridge=5mA

A

TA=-40 to 125°C, No Set/Reset

T

=-40 to 125°C, With Set/Reset

A

Vbridge=5V, TA=-40 to 125°C 2100 2500 2900 ppm/°C

Tempco

Sensitivity Ratio of

TA=-40 to 125°C 95 101 105 %

X,Y Sensors

(HMC1052 Only)

X,Y sensor

Sensitive direction in X and Y sensors 0.01 degree

Orthogonality

(HMC1052)

Linearity Error Best fit straight line

± 1 gauss

± 3 gauss

± 6 gauss

Hysteresis Error 3 sweeps across ±3 gauss 0.06 %FS

Repeatability Error 3 sweeps across ±3 gauss 0.1 %FS

* Tested at 25°C except stated otherwise.

-1.25 ±0.5 +1.25 mV/V

Pgauss

20 gauss

-3000 -2700

-2400 ppm/°C

-600

±500

ppm/°C

±10

0.1

0.5

%FS

1.8

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HMC1055

Advance Information SENSOR PRODUCTS
SPECIFICATIONS – MAGNETIC SENSORS HMC1051Z, HMC1052

Characteristics Conditions* Min Typ Max Units

Set/Reset Strap

Resistance Measured from S/R+ to S/R- 3 4 5 ohms

Current 0.1% duty cycle, or less,

2Psec current pulse

Resistance

Tempco

Offset Straps

Resistance Measured from OFFSET+ to OFFSET- 12 15 18 ohms

Offset

Constant

Resistance

Tempco

* Tested at 25°C except stated otherwise.

SPECIFICATIONS – ACCELEROMETER MXS3334UL
Characteristics Conditions* Min Typ Max Units

Sensor Input

Range ±1 g

Non-Linearity Best fit straight line 0.5 1.0 % of FS

Alignement Error ±1.0 degree

Transverse

Sensitivity

Sensitivity

Digital Outputs Vdd = 5.0 volts 19.00 20.00 21.00

Change Over

Temperature

Resistance TA= -40 to 125°C 3900 ppm/°C

Zero g Bias Level

0 g Offset -0.1 0.00 +0.1 g

0 g Duty Cycle 48 50 52 % Duty Cycle

0 g Offset Over

Temperature

Performance

Noise Density rms 0.2 0.4 mg/sqrt-Hz

Frequency

Response

Tested at 25°C except stated otherwise.

(available on die)

Field applied in sensitive direction

(Each Axis)

Compensated (-40°C to +105°C)

(Each Axis)

TA= -40 to 125°C 3700 ppm/°C

DC Current

TA= -40 to 125°C 3900 ppm/°C

-40°C, Uncompensated

+105°C, Uncompensated

' from 25°C

' from 25°C

' from 25°C, based on 20%/g

3dB Bandwidth 25 Hz

0.4 0.5 4 Amp

10 mA/gauss

±2.0 %

%Duty

Cycle/g

+100 %

-50

< 3.0

±0.75

±0.015

mg/°C

%/°C

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HMC1055

Advance Information SENSOR PRODUCTS
MXS3334UL SPECIFICATIONS

Characteristics Conditions* Min Typ Max Units

Voltage Reference

Vref Vdd = 2.7 to 5.0 2.4 2.5 2.65 volts

Change Over

Temperature

Current Drive

Source 100

Capability

Self Test

Continuous

Voltage Under

Vdd = 5.0 volts, D

Vdd = 2.7 volts, D

OUTX

OUTX

and D

and D

OUTY

OUTY

Failure

(D

Digital Outputs

OUTX

and D

Normal Range Vdd = 5.00 volts

)

OUTY

Vdd = 2.7 volts

0.1

0.1

Current Source or Sink (Vdd =2.7 to 5.0v) 100

Rise/Fall Time Vdd = 2.7 to 5.0 volts 90 100 110

Turn-On Time Vdd = 5.0 volts

Vdd = 2.7 volts

Power Supply

Operating Voltage

2.7 5.25 volts

Range

Supply Current Vdd = 5.0 volts

Vdd = 2.7 volts

3.0

4.0

Temperature

Operating Range -40 +105 °C

Storage Range -65 +150 °C

Tested at 25°C except stated otherwise.

0.1 mV/°C

PA

5.0

volts

2.7

4.9

volts

2.6

PA

Ksec

100

40

3.6

4.9

4.2

5.8

msec

mA

Pin Configurations (Arrow indicates direction of applied field that generates a positive output voltage after a SET pulse.)

HMC1051

Vcc

(3)

HMC1051

BRIDGE A BRIDGE B

Vo+(A)

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GND Plane

(2)

Vo-(A)

S/R+

(6)

(8)

Set/Reset Strap

(4)

GND1(B)

(1)

S/R-

(7)

GND2(B)

(5)

HMC1051Z Pinout

HONEYWELL

HMC1051Z

12345678