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參數(shù)資料
| 型號(hào)： | A1383EUA-T |
| 元件分類(lèi)： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, 4.35-4.65V, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | SIP-3 |
| 文件頁(yè)數(shù)： | 19/19頁(yè) |
| 文件大?。?/td> | 391K |
| 代理商： | A1383EUA-T |
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Programmable Linear Hall Effect Sensor ICs with Analog Output
Available in a Miniature Thin Profile Surface Mount Package
A1381, A1382,
A1383, and A1384
9
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
For purposes of specification, the sensitivity drift due to package
hysteresis, SensPKG, is defined as:
Sens
(25°C)2 – Sens(25°C)1
Sens
(25°C)1
Sens
PKG =
×100% ,
(8)
where Sens(25°C)1 is the programmed value of sensitivity at TA
= 25°C, and Sens(25°C)2 is the value of sensitivity at TA = 25°C,
after temperature cycling TA up to 150°C, down to –40°C, and
back to up 25°C.
Linearity Sensitivity Error
The 138x family is designed to
provide a linear output in response to a ramping applied magnetic
field. Consider two magnetic fields, B1 and B2. Ideally, the sen-
sitivity of a device is the same for both fields, for a given supply
voltage and temperature. Linearity error is present when there is a
difference between the sensitivities measured at B1 and B2.
Linearity Error is calculated separately for the positive
(LinERRPOS) and negative (LinERRNEG) applied magnetic fields.
Linearity error (%) is measured and defined as:
Sens
BPOS2
Sens
BPOS1
Sens
BNEG2
Sens
BNEG1
1–
Lin
ERRPOS =
×100% ,
1–
Lin
ERRNEG =
×100% ,
(9)
where:
|V
OUT(Bx) – VOUT(Q)|
Bx
Sens
Bx =
,
(10)
and BPOSx and BNEGx are positive and negative magnetic fields,
with respect to the quiescent voltage output such that
|BPOS2| > |BPOS1| and |BNEG2| > |BNEG1|. Then:
Lin
ERR
max( |LinERRPOS | , |LinERRNEG | )
=
. (11)
Symmetry Sensitivity Error
The magnetic sensitivity of an
A138x 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% ,
(12)
where SensBx is as defined in equation 10, and BPOS and BNEG
are positive and negative magnetic fields such that |BPOS| = |BNEG|.
Ratiometry Error
The A138x devices feature ratiometric output.
This means that the quiescent voltage output, VOUT(Q), magnetic
sensitivity, Sens, and clamp voltage, VCLP(HIGH) and VCLP(LOW),
are proportional to the supply voltage, VCC. In other words, when
the supply voltage increases or decreases by a certain percent-
age, each characteristic also increases or decreases by the same
percentage. Error is the difference between the measured change
in the supply voltage relative to 5 V, and the measured change in
each characteristic.
The ratiometric error in quiescent voltage output, RatERRVOUT(Q)
(%), for a given supply voltage, VCC, is defined as:
V
OUT(Q)(VCC) / VOUT(Q)(5V)
V
CC / 5 V
1–
Rat
ERRVOUT(Q) =
×100% .
(13)
The ratiometric error in magnetic sensitivity, RatERRSens (%), for
a given supply voltage, VCC, is defined as:
Sens
(VCC) / Sens(5V)
V
CC / 5 V
1–
Rat
ERRSens =
×100% .
(14)
The ratiometric error in the clamp voltages, RatERRCLP (%), for a
given supply voltage, VCC, is defined as:
V
CLP(VCC) / VCLP(5V)
V
CC / 5 V
1–
Rat
ERRCLP =
×100% .
(15)
where VCLP is either VCLP(HIGH) or VCLP(LOW).
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相關(guān)代理商/技術(shù)參數(shù) |
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| A1383EUATI-T | 制造商:ALLEGRO 制造商全稱(chēng):Allegro MicroSystems 功能描述:Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package |
| A1383LLHLT-T | 功能描述:IC SENSOR HALL EFFECT SOT23-W RoHS:是 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:A138x 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)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(lèi)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(chēng):AS5132-HSST-500DKR |
| A1383LLHLX-T | 制造商:Allegro MicroSystems 功能描述:LIMITED FIELD PROGRAMMABLE LIN 制造商:ALLEGRO MICROSYSTEMS, LLC 功能描述:IC HALL EFFECT SENSOR SOT-23W |
| A1383LUA-T | 功能描述:IC SENSOR HALL EFFECT PREC 3-SIP RoHS:是 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:A138x 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)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(lèi)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(chēng):AS5132-HSST-500DKR |
| A1383LUATI-T | 制造商:ALLEGRO 制造商全稱(chēng):Allegro MicroSystems 功能描述:Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package |
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