參數(shù)資料
型號： AS5140H-ASST
廠商： ams
文件頁數(shù)： 15/38頁
文件大小： 1279K
描述： IC ENCODER ROTARY 10BIT 16-SSOP
標(biāo)準(zhǔn)包裝： 2,000
傳感范圍： 45mT ~ 75mT
類型： 線性，旋轉(zhuǎn)編碼器 - 可編程
電源電壓： 3 V ~ 3.6 V，4.5 V ~ 5.5 V
電流 - 電源： 21mA
電流 - 輸出（最大）： 4mA
輸出類型： 數(shù)字式，PWM，10 位串行
特點(diǎn)： 可編程
工作溫度： -40°C ~ 150°C
封裝/外殼： *
供應(yīng)商設(shè)備封裝： *
包裝： *
www.austriamicrosystems.com/AS5140H
Revision 1.4
14 - 37
AS5140H
Data Sheet - Detailed Description
The absolute angular position is sampled at a rate of 10kHz (0.1ms). This allows reading of all 1024 positions per 360 degrees within 0.1
seconds = 9.76Hz (~10Hz) without skipping any position. Multiplying 10Hz by 60, results the corresponding maximum rotational speed of 600
rpm. Readout of every second angular position allows for rotational speeds of up to 1200 rpm.
Consequently, increasing the rotational speed reduces the number of absolute angular positions per revolution (see Table 21). Regardless of the
rotational speed or the number of positions to be read out, the absolute angular value is always given at the highest resolution of 10 bit.
The incremental outputs are not affected by rotational speed restrictions due to the implemented interpolator. The incremental output signals
may be used for high-speed applications with rotational speeds of up to 10.000 rpm without missing pulses.
7.1.2   Daisy Chain Mode
The Daisy Chain mode allows connection of several AS5140Hs in series, while still keeping just one digital input for data transfer (see Data IN
in Figure 6 below). This mode is accomplished by connecting the data output (DO; pin 9) to the data input (Prog; pin 8) of the subsequent device.
The serial data of all connected devices is read from the DO pin of the first device in the chain. The Prog pin of the last device in the chain should
be connected to VSS. The length of the serial bit stream increases with every connected device. It is,
n * (16+1) bits
(EQ 1)
For example, 34 bit for two devices, 51 bit for three devices, etc.
The last data bit of the first device (Parity) is followed by a logic low bit and the first data bit of the second device (D9), etc. (see Figure 7).
Figure 6. Daisy Chain Hardware Configuration
Figure 7. Daisy Chain Mode Data Transfer
CSn
CSn
CSn
CSn
CLK
CLK
CLK
CLK
Data IN
AS5140H
1
st
 Device
AS5140H
2
nd
 Device
AS5140H
last Device
礐
DO
DO
DO
Prog
Prog
Prog
CSn
CLK
DO
t
DO valid
Angular Position Data
t
DO active
Status Bits
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    D
D9
1
2
3
D8
D7
Angular Position Data
1
st
 Device
2
nd
 Device
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS5140H-ASST-500 功能描述:板機(jī)接口霍耳效應(yīng)/磁性傳感器 RoHS:否 制造商:Honeywell 類型:Bipolar Hall-Effect Digital Position Sensor 工作電源電壓:3 V to 24 V 電源電流:3.5 mA 最大輸出電流:20 mA 工作點(diǎn)最小值/最大值:5 G, 55 G 最小/最大釋放點(diǎn)（Brp）:- 55 G, - 5 G 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23
AS5140HASSU 制造商:AMSCO 制造商全稱: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 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:- 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
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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