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| 型号： | AS5140H-ASST-500 |
| 厂商： | ams |
| 文件页数： | 16/38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 |
| 特色产品： | AS5140 – Automotive Rotary Encoder IC |
| 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： | 数字式，PWM，10 位串行 |
| 特点： | 可编程 |
| 工作温度： | -40°C ~ 150°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 |
| 其它名称： | AS5140H-ASST-500DKR |
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AS5140H
Data Sheet - D e t a i l e d D e s c r i p t i o n
Programming Daisy Chained Devices. In Daisy Chain mode, the Prog pin is connected directly to the DO pin of the subsequent device in
the chain (see Figure 6) . During programming (see Programming the AS5140H on page 19) , a programming voltage of 7.5V must be applied to
pin Prog. This voltage level exceeds the limits for pin DO, so one of the following precautions must be made during programming:
Open the connection DO → Prog during programming, (or)
Add a Schottky diode between DO and Prog (Anode = DO, Cathode = Prog)
Due to the parallel connection of CLK and CSn, all connected devices may be programmed simultaneously.
7.2 Incremental Outputs
Three different incremental output modes are possible with quadrature A/B being the default mode. Figure 8 shows the two-channel quadrature
as well as the step / direction incremental signal (LSB) and the direction bit in clockwise (CW) and counter-clockwise (CCW) direction.
7.2.1
Quadrature A/B Output (Quad A/B Mode)
The phase shift between channel A and B indicates the direction of the magnet movement. Channel A leads channel B at a clockwise rotation of
the magnet (top view) by 90 electrical degrees. Channel B leads channel A at a counter-clockwise rotation.
Figure 8. Incremental Output Modes
Quad A/B-Mode
Mechanical
Zero Position
Rotation Direction
Change
Mechanical
Zero Position
A
B
7.2.2
Index
Step / Dir-Mode
LSB
Dir
CSn
t Incremental outputs valid
LSB Output (Step/Direction Mode)
Clockwise cw
Index=0
1 LSB
Index=1
3 LSB
Hyst=
2LSB
t Dir valid
Counterclockwise ccw
Output LSB reflects the LSB (least significant bit) of the programmed incremental resolution (OTP Register Bit Div0, Div1). Output Dir provides
information about the rotational direction of the magnet, which may be placed above or below the device (1=clockwise; 0=counter clockwise; top
view). Dir is updated with every LSB change. In both modes (quad A/B, step/direction), the resolution and the index output are user
programmable. The index pulse indicates the zero position and is by default one angular step (1LSB) wide. However, it can be set to three LSBs
by programming the Index-bit of the OTP register accordingly (see Table 20) .
www.austriamicrosystems.com/AS5140H
Revision 1.4
15 - 37
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| AS5140HASSU | 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:10-Bit 360 Programmable Magnetic Rotary Encoder For High Ambient Temperatures |
| AS5140H-ASSU | 功能描述:IC ENCODER PROG 10-BIT 16-SSOP RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| AS5140H-DB | 制造商:ams 功能描述:AS5140H Demo Board |
| AS5140H-PB | 制造商:ams 功能描述:AS5140H Progamming Board |
| AS5140-SS_EK_AB | 功能描述:AS5140 - 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:5V 嵌入式:否 所含物品:板 使用的 IC/零件:AS5140 标准包装:1 |
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