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參數(shù)資料
| 型號(hào)： | A1351KKTTN-T |
| 元件分類： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, 0.20-4.80V, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | LEAD FREE, PLASTIC, SIP-4 |
| 文件頁數(shù)： | 2/23頁 |
| 文件大?。?/td> | 654K |
| 代理商： | A1351KKTTN-T |
A1351
High Precision Linear Hall Effect Sensor IC
with a Push/Pull, Pulse Width Modulated Output
10
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Symmetry Sensitivity Error
The magnetic sensitivity of an
A1351 device is constant for any two applied magnetic fields of
equal magnitude and opposite polarities.
Symmetry error, SymERR (%), is measured and defined as:
Sens
BPOS
Sens
BNEG
1–
Sym
ERR =
×100% ,
(13)
where SensBx is as defined in equation 4, and BPOS and BNEG are
positive and negative magnetic fields such that |BPOS| = |BNEG|.
Note that the symmetry error specification is only valid for bipolar
devices.
Duty Cycle Jitter
The duty cycle of the PWM output may vary
slightly over time despite:
the presence of a constant applied magnetic field, and
a constant carrier frequency for the PWM signal.
This phenomenon is known as jitter, and is defined as:
%DB(max) – %DB(min)
2
JD = ±
,
(14)
where %DB(max) and %DB(min) are the maximum and mini-
mum duty cycles measured the over 1000 PWM clock periods
with a constant applied magnetic field. JD is given in %D (see
figure below).
Duty Cycle Resolution
The ability to know the value of the
applied magnetic field from the device output is affected by jitter.
The resolution of the magnetic field, in Gauss (G), is defined as:
J
DC
Sens
RES =
.
(15)
Jitter is instability or small rapid irregularity about a specific data position in
a periodic electrical signal waveform from cycle to cycle. In this figure, the
A1351 PWM Output jitter is ±0.025% D at 25°C, Sens = 0.095% D/G.
tPERIOD
±Jitter
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1351LKTTN-T | 功能描述:IC SENSOR HALL EFFECT 4-SIP 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 |
| A1352-035 | 制造商:AVX Corporation 功能描述: |
| A1352-037 | 制造商:AVX Corporation 功能描述: |
| A13532-43N | 制造商:Harris Corporation 功能描述: |
| A1354 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:High Precision 2-Wire Linear Hall Effect Sensor IC with Pulse Width Modulated Output |
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