参数资料
型号: AS5134 DB
厂商: ams
文件页数: 15/33页
文件大小: 0K
描述: BOARD DEMO AS5134
产品培训模块: AS5134 Overview
标准包装: 1
传感器类型: 磁性,旋转位置
传感范围: 360°
接口: USB
电源电压: 5V USB 或 9V
嵌入式: 是,MCU,8 位
已供物品: 板,线缆
已用 IC / 零件: AS5134
AS5134
Datasheet - D e t a i l e d D e s c r i p t i o n
7.7 Analog Output
This configuration is similar to the PWM connection (only three lines including supply are required). With the addition of a lowpass filter at the
PWM output, this configuration produces an analog voltage that is proportional to the angle. This filter can be either passive (as shown in
Figure 11 ) or active. The lower the bandwidth of the filter, the less ripple of the analog output can be achieved. If the AS5134 angular data is
invalid, the PWM output will remain at low state and thus the analog output will be 0V. Pins that are not shown may be left open.
Figure 11. Data Transmission with Pulse Width Modulated (PWM) Output
+5V
VDD
CS
VDD
5V
Analog out
100nF
AS5134
PWM
>=4k7
>=4k7
Analog
out
0V
0o
180o
360o
PWM out
Angle
C2
V S S
>=1μF
>=1μF
VSS
7.8 Quadrature A/B/Index Output
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 12. Incremental Output Modes
Quad A/B/Index-Mode
Mechanical
Zero Position
Rotation Direction
Mechanical
Zero Position
Change
A
B
Index=0
Index
Table 7. Programming Options for the Quadrature Signals A/B/Index
1 LSB
max.
3 LSB
Hyst=
2LSB
Abi (13:12)
Function: output multiplexer for pin A,B,I
0
0
1
1
0
1
0
1
A ? pin A, B ? pin B, I(index) ? pin I default value)
step ? pin A, direction ? pin B, I(index) ? pin I
pulse ? pin A, direction ? pin B, I(index) ? pin I
off: LO ? pin A, LO ? pin B, LO ? pin I
www.austriamicrosystems.com/AS5134
Revision 2.3
14 - 32
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