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| 型号： | AS5145B-HSST-500 |
| 厂商： | ams |
| 文件页数： | 1/2页 |
| 文件大小： | 746K |
| 描述： | IC ENCODER ROTARY MAGN 16-SSOP |
| 标准包装： | 500 |
| 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 ~ 150°C |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
AS5145H/AS5145A/AS5145B
12-Bit Programmable Magnetic Rotary Encoder
www.ams.com/AS5145
Revision 1.17
1 - 36
1 General Description
The AS5145 is a contact less magnetic rotary encoder for accurate
angular measurement over a full turn of 360 degrees.
It is a system-on-chip, combining integrated Hall elements, analog
front end and digital signal processing in a single device.
To measure the angle, only a simple two-pole magnet, rotating over
the center of the chip, is required. The magnet can be placed above
or below the IC.
The absolute angle measurement provides instant indication of the
magnets angular position with a resolution of 0.0879?= 4096
positions per revolution. This digital data is available as a serial bit
stream and as a PWM signal.
An internal voltage regulator allows the AS5145 to operate at either
3.3V or 5V supplies.
2 Key Features
n Contact less high resolution rotational position encoding over a
full turn of 360 degrees
n Two digital 12-bit absolute outputs:
- Serial interface
- Pulse width modulated (PWM) output
Figure 1. AS5145 Automotive Rotary Encoder IC
n Three incremental outputs
n Quadrature A/B/I (10 or 12 bit) and Index output signal (pre-
programmed versions available AS5145A for 10-bit and
AS5145B for 12-bit)
n User programmable zero position
n Failure detection mode for magnet placement, monitoring, and
loss of power supply
n Red-Yellow-Green indicators display placement of magnet in Z-
axis
n Serial read-out of multiple interconnected AS5145 devices
using Daisy Chain mode
n Tolerant to magnet misalignment and gap variations
n Wide temperature range: - 40?/SPAN>C to +150?/SPAN>C
n Fully automotive qualified to AEC-Q100, grade 0
n Small Pb-free package: SSOP 16 (5.3mm x 6.2mm)
3 Applications
The device is ideal for industrial applications like contactless rotary
position sensing and robotics; automotive applications like steering
wheel position sensing, transmission gearbox encoder, head light
position control, torque sensing, valve position sensing and
replacement of high end potentiometers.
DSP
Hall Array
&
Frontend
Amplifier
Absolute
Interface
(SSI)
Incremental
Interface
Sin
Cos
Ang
Mag
MagINCn
MagDECn
DO
PWM
CLK
DTEST1_A
DTEST2_B
ode_Index
PDIO
CSn
PWM
Interface
OTP
Register
VDD5V
VDD3V3
LDO 3.3V
Mux
AS5145
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5145B-HSSU | 制造商:ams 功能描述:Tube |
| AS5145B-SS_EK_AB | 功能描述:AS5145 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:串行 灵敏度:- 电压 - 电源:3.3V，5V 嵌入式:- 所含物品:板 使用的 IC/零件:AS5145 标准包装:1 |
| AS5145B-SS_EK_DB | 功能描述:AS5145 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:USB 灵敏度:- 电压 - 电源:5V USB 或 9V 嵌入式:是，MCU，8 位 所含物品:板，线缆 使用的 IC/零件:AS5145 标准包装:1 |
| AS5145B-SS_EK_MB | 功能描述:AS5145 - Magnetic, Rotary Position Sensor Evaluation Board 制造商:ams 系列:- 零件状态:有效 传感器类型:磁性，旋转位置 感应范围:360° 接口:串行 灵敏度:- 电压 - 电源:4.5 V ~ 5.5 V 嵌入式:- 所含物品:板，磁座，工具 使用的 IC/零件:AS5145 标准包装:1 |
| AS5145-DB | 功能描述:磁传感器开发工具 AS5145 Demo 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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