HMC1051 / HMC1052
SENSOR PRODUCTS
1 AND 2-AXIS MAGNETIC SENSORS
Features
(cid:1) Small 8-Pin SIP or 10-Pin MSOP Packages
(cid:1) Two AMR Bridges in One Package
(cid:1) Wide Field Range of +/- 6 Gauss
(cid:1) 1.0 mV/V/gauss Sensitivity
(cid:1) High Accuracy Compassing (Error <0.01°)
(cid:1) Low Power Operation Down to 1.8V
(cid:1) Patented On-chip Set/Reset Straps
Product Description
The Honeywell HMC1051Z and HMC1052 are high
performance magnetoresistive sensor designs on a
single chip. The advantages of these patented chips
include perfectly orthogonal two-axis sensing
(HMC1052), ultra small size and low power capability in
miniature surface mount packages.
Each of the magnetoresistive sensors are configured
as a 4-element wheatstone bridge to convert magnetic
fields to differential output voltages. Capable of sensing
fields below 0.1 milligauss, these sensors offer a
compact, low cost, high sensitivity and highly reliable
solution for low field magnetic sensing.
APPLICATIONS
HMC1052 Circuit Diagram
(cid:1) Compassing
(cid:1) Navigation Systems
(cid:1) Attitude Reference
(cid:1) Traffic Detection
(cid:1) Medical Devices
(cid:1) Position Sensing
Web Sites: www.magneticsensors.com Honeywell
www.ssec.honeywell.com Solid State Electronics Center
Email: ssec.customer.service@honeywell.com 12001 State Highway 55
Plymouth, Minnesota 55441-4799
2001 HMC1051/1052 Published Jul 2001 Page 1 1-800-323-8295HMC1051 / HMC1052
SENSOR PRODUCTS
SPECIFICATIONS
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-) -2.5 +/-1 +2.5 mV/V
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 (cid:2)gauss
Disturbing Field Sensitivity starts to degrade. 20 gauss
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 T =-40 to 125°C, Vbridge=5V -3200 -3000 -2800 ppm/°C
A
Tempco T =-40 to 125°C, Ibridge=5mA -600
A
Bridge Offset T =-40 to 125°C, No Set/Reset +/-500 ppm/°C
A
Tempco T =-40 to 125°C, With Set/Reset +/-10
A
Bridge Ohmic Vbridge=5V, T =-40 to 125°C 2100 2500 2900 ppm/°C
A
Tempco
Sensitivity Ratio of T =-40 to 125°C 99 101 103 %
A
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 0.1
+/- 3 gauss 0.5 %FS
+/- 6 gauss 1.8
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.
Web Sites: www.magneticsensors.com Honeywell
www.ssec.honeywell.com Solid State Electronics Center
Email: ssec.customer.service@honeywell.com 12001 State Highway 55
Plymouth, Minnesota 55441-4799
2001 HMC1051/1052 Published Jul 2001 Page 2 1-800-323-8295HMC1051 / HMC1052
SENSOR PRODUCTS
SPECIFICATIONS
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, 0.4 0.5 4 Amp
2(cid:2)sec current pulse
Resistance T =-40 to 125°C 3700 ppm/°C
A
Tempco
Offset Straps (available on die)
Resistance Measured from OFFSET+ to OFFSET- 12 15 18 ohms

當(dāng)然可以。1軸和2軸磁性傳感器（Magnetic Sensors）是一種用于檢測和測量磁場變化的電子設(shè)備，特別適用于各種定位、導(dǎo)航、檢測物體存在以及運動控制應(yīng)用中。這類傳感器通常包含一個或多個磁敏感元件，如霍爾效應(yīng)傳感器或者特斯拉計（Tesla coil-based sensor），它們能夠分別或同時測量沿著兩個軸（通常是X和Y軸）的磁場強度。 1軸磁性傳感器僅能感應(yīng)單一方向的磁場變化，例如只能測量沿一個固定平面內(nèi)的磁場強度，而2軸磁性傳感器則具備雙向感應(yīng)能力，能夠同時捕捉到垂直和水平方向上的磁場信號，從而提供更加精確和全面的空間位置信息。這種傳感器廣泛應(yīng)用于工業(yè)自動化、機器人技術(shù)、物聯(lián)網(wǎng)(IoT)設(shè)備、消費電子產(chǎn)品（如智能手機的磁力計功能）、汽車電子（車輛姿態(tài)感知、防盜系統(tǒng)）等領(lǐng)域，以實現(xiàn)對周圍環(huán)境和物體的高精度三維空間定位。