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參數資料
| 型號： | HMC1052 |
| 廠商： | Honeywell International Inc. |
| 英文描述： | 2- Axis Magnetic Sensors(兩軸磁場傳感器) |
| 中文描述： | 2 -軸磁傳感器（兩軸磁場傳感器） |
| 文件頁數： | 4/8頁 |
| 文件大小： | 398K |
| 代理商： | HMC1052 |
HMC1051 / HMC1052
SENSOR PRODUCTS
Web Sites:
www.magneticsensors.com
www.ssec.honeywell.com
Honeywell
Solid State Electronics Center
12001 State Highway 55
Plymouth, Minnesota 55441-4799
Email: ssec.customer.service@honeywell.com
2001 HMC1051/1052 Published Jul 2001 Page 4
1-800-323-8295
Basic Device Operation
The HMC1051 and HMC1052 are single-axis and two-axis linear magnetic sensors designed as a Wheatstone
bridges formed by a magnetoresistive metal film. With the power supply applied to the bridge, the sensors converts
any incident magnetic field in the sensitive direction to a balanced voltage output. The magnetoresistive sensors are
made of a nickel-iron (Permalloy) thin-film deposited on a silicon wafer in pattern of resistive strips. In the presence of
a magnetic field, a change in the bridge resistive elements causes a corresponding change in voltage across the
bridge outputs.
In addition to the bridge circuits, the sensors each have two on-chip magnetically coupled straps; the Offset Strap and
the Set/Reset Strap. The patented straps eliminate the need for external coils surrounding the bridge elements. The
offset strap (available on bare die only) allows for several modes of operation when a direct current is driven through
it. These modes are: 1) Subtraction of an unwanted magnetic field, 2) Zero-ing of the bridge offset voltage, 3) Closed
loop field cancellation, and 4) Auto-calibration of bridge gain. The set/reset strap can be pulsed with high currents for
the following benefits: 1) Enable the sensor to perform high sensitivity measurements, 2) Flip the polarity of the bridge
output voltage, and 3) Periodically used to improve linearity, lower cross-axis effects, and temperature effects.
Application Notes
Low Cost 2-Axis Compass
Very high precision measurements can be made using the HMC1051 and HMC1052 sensors when interfaced with
low noise amplifiers and 12 to 16-bit Analog-to-Digital (A/D) converters. For lower resolution (1°) or low cost compass
applications, 8 or 10-bit A/D converters may be used with general purpose operational amplifiers. Figure 1 shows a
typical 2-axis compassing application using readily available off-the-shelf components.
The basic principle of two-axis compassing is to orient the sensor bridge element horizontal to the ground
(perpendicular to the gravitational field) and to measure the X and Y analog voltages. With the amplified sensor bridge
voltages near-simultaneously converted (measured) to their digital equivalents, the arc-tangent Y/X can be computed
to derive the heading information. See the application notes on compassing at Honeywell Magnetic Sensors website
HMC1052U1
Vcc
offset
set/reset
.1uf
(2) IRF7507
set/reset
_set/reset
Vref/2
Vref/2
5.00k
5.00k
500k
500k
5.00k
5.00k
500k
500k
LMV358
LMV358
1nf
1nf
MAX1118
1
0
Vref
U2
U3
U4
U5
enable
data_out
clk_in
2.5 to 3.6v
Figure 1
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相關代理商/技術參數 |
參數描述 |
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| HMC1052L | 制造商:Honeywell SSEC 功能描述:Magnetoresistive Sensor 2-Axis 1.2(mV/V/Gs) 16-Pin PLCC T/R |
| HMC1052L-TR | 功能描述:SENSOR MAGNETIC 2-AXIS 16-LCC RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| HMC1052T/R | 制造商:HONEYWELL 制造商全稱:Honeywell Solid State Electronics Center 功能描述:1, 2 and 3 Axis Magnetic Sensors |
| HMC1053 | 功能描述:SENSOR MAGNETIC 3-AXIS 16-PLCC RoHS:否 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| HMC1055 | 功能描述:KIT COMPASS SENSOR 3-AXIS RoHS:否 類別:套件 >> 傳感器 系列:- 標準包裝:1 系列:- 套件類型:氣體傳感器 值:27929，27930，27931，27932 包裝:紙板盒 |
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