參數(shù)資料
型號: AS5043
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 同步/旋轉(zhuǎn)傳感器
英文描述: 10-bit (SSI, analog)
中文描述: 可編程360Σ式磁角編碼器的絕對小型工業(yè)和模擬輸出
文件頁數(shù): 14/36頁
文件大?。?/td> 719K
代理商: AS5043
AS5043
Data Sheet – Programming the AS5043
www.austriamicrosystems.com
Revision 1.80
14 – 36
Figure 13: Zero Position Programming (shown for 360° mode)
VDD5V
5V
90°
180°
270°
360°
analog
output
voltage
Mechanical
angle
2V
the output can be electrically rotated to
match a given output voltage to any
mechanical position
0V
12.2 Analog Mode Programming
The analog output can be configured in many ways:
It consists of three major building blocks,
a digital range preselector,
a 10-bit Digital-to-Analog-Converter (DAC)
and an OP-AMP buffer stage.
In the default configuration (all OTP bits = 0), the analog output is set for 360° operation, internal DAC reference
(VDD5V/2), external OPAMP gain, 0-100% ratiometric to VDD5V.
Shown below is a typical example for a 0°-360° range, 0-5V output. The complete application requires only one external
component, a buffer capacitor at VDD3V3 and has only 3 connections VDD, VSS and Vout (connectors 1-3).
Note: the default setting for the OPAMP feedback path is:FB_intEn=0=external. The external resistors Rf and Rg must be
installed. In the programmed state (FB_intEn=1=internal), these resistors do not need to be installed as the feedback
path is internal (Rf_int and Rg_int).
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