參數(shù)資料
型號(hào)： MLX90316_05
廠商： Electronic Theatre Controls, Inc.
英文描述： Rotary Position Sensor IC
中文描述： 旋轉(zhuǎn)位置傳感器IC
文件頁(yè)數(shù)： 8/34頁(yè)
文件大?。?/td> 854K
代理商： MLX90316_05
MLX90316
Rotary Position Sensor IC
3901090316
Rev. 001
Page 8 of 34
Data Sheet
4 October 05
The DSP functionality is governed by the micro-code (firmware
F/W) of the micro-controller which is
stored into the ROM (mask programmable). In addition to the
″
ATAN
″
function, the F/W controls the whole
analog chain, the output transfer characteristic, the output protocol, the programming/calibration and also
the self-diagnostic modes.
In the MLX90316, the
″
ATAN
″
function is computed via a look-up table (i.e. it is not obtained through a
CoRDiC algorithm).
Due to the fact that the
″
ATAN
″
operation is performed on the ratio
″
V
Y
/V
X
″
, the angular information is
intrinsically self-compensated vs. flux density variations (due to airgap change, thermal or ageing effects)
affecting both signals. This feature allows therefore an improved thermal accuracy vs. rotary position
sensor based on conventional linear Hall sensors.
In addition to the improved thermal accuracy, the realized rotary position sensor is capable of measuring a
complete revolution (360 Degrees) and the linearity performances are excellent taking into account typical
manufacturing tolerances (e.g. relative placement between the Hall IC and the magnet).
Once the angular information is computed (over 360 degrees), it is further conditioned (mapped) vs. the
target transfer characteristic and it is provided at the output(s) as:
an analog output level through a 12 bit DAC followed by a buffer
a digital PWM signal with 12 bit depth (programmable frequency 100 Hz
…
1 kHz)
a digital Serial Protocol (SP
14 bits computed angular information available)
For instance, the analog output can be programmed for offset, gain and clamping to meet any rotary
position sensor output transfer characteristic:
Vout(
α
) = ClampLo
Vout(
α
) = Voffset + Gain
×
α
Vout(
α
) = ClampHi
where Voffset, Gain, ClampLo and ClampHi are the main adjustable parameters for the end-user.
The linear part of the transfer curve can be adjusted through either a 2 point or a 3 point calibration
depending on the linearity requirement.
The calibration parameters are stored in EEPROM featuring a Hamming Error Correction Coding (ECC).
The programming steps do not require any dedicated pins. The operation is done using the supply and
output nodes of the IC. The programming of the MLX90316 is handled at both engineering lab and
production line levels by the Melexis Programming Unit PTC-04 with the dedicated MLX90316
daugtherboard and software tools (DLL
User Interface).
for
α
≤
α
min
for
α
min
≤
α
≤
α
max
for
α
≥
α
max
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MLX90316DC 制造商:MELEXIS 制造商全稱:Melexis Microelectronic Systems 功能描述:Evaluation Board
MLX90316EDC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Rotary Position Sensor IC
MLX90316EDC-BCG-000-RE 功能描述:IC SENSOR ROTARY POSITION 8-SOIC RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:Triaxis™ 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR
MLX90316EDC-BCG-000-TU 制造商:Melexis Semiconductors 功能描述:IC SENSOR INTERFACE ROTARY 8SOIC 制造商:Melexis Semiconductors 功能描述:MLX90316 Series 360 /s 4.5 to 5.5 V SMT Rotary Position Sensor IC - SOIC-8
MLX90316EDC-BDG-100-RE 制造商:Melexis Semiconductors 功能描述:IC SENSOR INTERFACE ROTARY 8SOIC 制造商:Melexis Semiconductors 功能描述:MLX90316 Series 360 /s 4.5 to 5.5 V SMT Rotary Position Sensor IC - SOIC-8
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