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| 型号： | AS5140H-ASST |
| 厂商： | ams |
| 文件页数： | 14/38页 |
| 文件大小： | 1279K |
| 描述： | IC ENCODER ROTARY 10BIT 16-SSOP |
| 标准包装： | 2,000 |
| 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： | * |
| 供应商设备封装： | * |
| 包装： | * |
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www.austriamicrosystems.com/AS5140H
Revision 1.4
13 - 37
AS5140H
Data Sheet - Detailed Description
Figure 5. Synchronous Serial Interface with Absolute Angular Position Data
Data Content
D9:D0 Absolute angular position data (MSB is clocked out first).
OCF (Offset Compensation Finished). Logic high indicates the finished Offset Compensation Algorithm. For fast startup, this bit may be polled
by the external microcontroller. As soon as this bit is set, the AS5140H has completed the startup and the data is valid (see Table 17).
COF (Cordic Overflow). Logic high indicates an out of range error in the CORDIC part. When this bit is set, the data at D9:D0 is invalid. The
absolute output maintains the last valid angular value. This alarm may be resolved by bringing the magnet within the X-Y-Z tolerance limits.
LIN (Linearity Alarm). Logic high indicates that the input field generates a critical output linearity. When this bit is set, the data at D9:D0 may still
be used, but can contain invalid data. This warning may be resolved by bringing the magnet within the X-Y-Z tolerance limits.
MagINCn (Magnitude Increase) becomes HIGH, when the magnet is pushed towards the IC, thus increasing the magnetic field strength.
MagDECn (Magnitude Decrease) becomes HIGH, when the magnet is pulled away from the IC, thus decreasing the magnetic field strength.
Signal HIGH for both MagINCn and MagDECn indicate a magnetic field that is out of the allowed range (see Table 16).
Note: Pins 1 and 2 (MagINCn, MagDECn) are open drain outputs and require external pull-up resistors. If the magnetic field is in range, both
outputs are turned off.
The two pins may also be combined with a single pull-up resistor. In this case, the signal is high when the magnetic field is in range. It is low in all
other cases (see Table 16).
Even Parity A bit for transmission error detection of bits 1to 15 (D9 to D0, OCF, COF, LIN, MagINCn, MagDECn).
The absolute angular output is always set to a resolution of 10 bit. Placing the magnet above the chip, angular values increase in clockwise
direction by default. Data D9:D0 is valid, when the status bits have the following configurations:
Table 16. Magnetic Magnitude Variation Indicator
MagINCn
MagDECn
Description
0
0
No distance change
Magnetic Input Field OK (in range)
0
1
Distance increase: Pull-function. This state is dynamic, it is only active while the magnet
is moving away from the chip in Z-axis.
1
0
Distance decrease: Push- function. This state is dynamic, it is only active while the
magnet is moving towards the chip in Z.-axis.
1
1
Magnetic Input Field invalid out of range: Too large, Too small (missing magnet).
Table 17. Status Bit Outputs
OCF
COF
LIN
MagINCn
MagDECn
Parity
1
0
0
0
0
even checksum of bits 1:15
0
1
1
0
CSn
CLK
DO
t
DO valid
Angular Position Data
t
DO active
Status Bits
t
DO Tristate
t
CSn
t
CLK FE
t
CLK FE
T
CLK/2
1
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 OCF COF LIN
Mag
INC
Mag
DEC
Even
PAR
8
16
1
D9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS5140H-ASST-500 | 功能描述:板机接口霍耳效应/磁性传感器 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 |
| 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 |
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