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参数资料
| 型号： | AS5040-ASST |
| 厂商： | ams |
| 文件页数： | 10/34页 |
| 文件大小： | 0K |
| 描述： | IC ENCODER PROG 10-BIT 16-SSOP |
| 应用说明： | AS5000 Series Magnet Selection Guide AS5000 Series Magnets for Extended Vertical Range |
| 标准包装： | 1 |
| 传感范围： | 45mT ~ 75mT |
| 类型： | 线性，旋转编码器 - 可编程 |
| 电源电压： | 3 V ~ 3.6 V，4.5 V ~ 5.5 V |
| 电流 - 电源： | 21mA |
| 电流 - 输出（最大）： | 4mA |
| 输出类型： | 正交，带刻度角（增量） |
| 特点： | 可编程 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 804 (CN2011-ZH PDF) |
| 配用： | AS5040 PB-ND - BOARD PROGRAM AS5040 |
| 其它名称： | AS5040-ASSTDKR |
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AS5040
Data Sheet
6 Functional Description
The AS5040 is manufactured in a CMOS standard process and uses a spinning current Hall technology for sensing
the magnetic field distribution across the surface of the chip.
The integrated Hall elements are placed around the center of the device and deliver a voltage representation of the
magnetic field at the surface of the IC.
Through Sigma-Delta Analog / Digital Conversion and Digital Signal-Processing (DSP) algorithms, the AS5040
provides accurate high-resolution absolute angular
position information. For this purpose a Coordinate Rotation Digital Computer (CORDIC) calculates the angle and the
magnitude of the Hall array signals.
The DSP is also used to provide digital information at the outputs M a g I N C n and M a g D E C n that indicate
movements of the used magnet towards or away from the device’s surface.
A small low cost diametrically magnetized (two-pole) standard magnet provides the angular position information (see
Figure 20).
The AS5040 senses the orientation of the magnetic field and calculates a 10-bit binary code. This code can be
accessed via a Synchronous Serial Interface (SSI). In addition, an absolute angular representation is given by a Pulse
Width Modulated signal at pin 12 (PWM).
Besides the absolute angular position information the device simultaneously provides incremental output signals. The
various incremental output modes can be selected by programming the OTP mode register bits (see page 19). As
long as no programming voltage is applied to pin Prog, the new setting may be overwritten at any time and will be
reset to default when power is turned off. To make the setting permanent, the OTP register must be programmed (see
Figure 15). The default setting is a quadrature A/B mode including the Index signal with a pulse width of 1 LSB. The
Index signal is logic high at the user programmable zero position.
The AS5040 is tolerant to magnet misalignment and magnetic stray fields due to differential measurement technique
and Hall sensor conditioning circuitry.
Figure 4: AS5040 Block Diagram
www.austriamicrosystems.com
Revision 2.10
9 - 33
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5040ASSU | 制造商:AMS 功能描述:IC MAGNETIC ROTARY ENCODER 10BIT SSOP16 制造商:AMS 功能描述:IC, MAGNETIC ROTARY ENCODER 10BIT SSOP16 制造商:AMS 功能描述:IC, MAGNETIC ROTARY ENCODER 10BIT SSOP16; IC Function:Encoder IC; Brief Features:360 Contactless High Resolution Angular Position Encoding, Two 10-bit Absolute Output; Supply Voltage Min:3V; Supply Voltage Max:3.6V; No. of Pins:16 ;RoHS Compliant: Yes |
| AS5040-ASSU | 功能描述:板机接口霍耳效应/磁性传感器 10Bit Rotary Sensor w/Digital Interface RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23 |
| AS5040DB | 制造商:ams 功能描述: |
| AS5040-DB-V2 | 功能描述:磁传感器开发工具 AS5040 Demo Board RoHS:否 制造商:Maxim Integrated 工具用于评估: 接口类型: 工作电压: |
| AS5040-PB | 功能描述:磁传感器开发工具 AS5040 Progamming Board RoHS:否 制造商:Maxim Integrated 工具用于评估: 接口类型: 工作电压: |
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