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參數資料
| 型號： | A1322EUA-T |
| 元件分類： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, 0.20-4.70V, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | LEAD FREE, SIP-3 |
| 文件頁數： | 9/12頁 |
| 文件大小： | 277K |
| 代理商： | A1322EUA-T |
Ratiometric Linear Hall Effect Sensor
for High-Temperature Operation
A1321, A1322,
and
A1323
6
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Quiescent Voltage Output.
In the quiescent state (no
magnetic eld), the output equals one half of the supply voltage
over the operating voltage range and the operating temperature
range. Due to internal component tolerances and thermal con-
siderations, there is a tolerance on the quiescent voltage output
both as a function of supply voltage and as a function of ambient
temperature. For purposes of specication, the quiescent voltage
output as a function of temperature is dened in terms of mag-
netic ux density, B, as:
This calculation yields the device’s equivalent accuracy,
over the operating temperature range, in gauss (G).
Sensitivity.
The presence of a south-pole magnetic eld per-
pendicular to the package face (the branded surface) increases
the output voltage from its quiescent value toward the supply
voltage rail by an amount proportional to the magnetic eld
applied. Conversely, the application of a north pole will decrease
the output voltage from its quiescent value. This proportionality
is specied as the sensitivity of the device and is dened as:
The stability of sensitivity as a function of temperature is
dened as:
Characteristic Denitions
Ratiometric.
The A132X family features a ratiometric output.
The quiescent voltage output and sensitivity are proportional to
the supply voltage (ratiometric).
The percent ratiometric change in the quiescent voltage output is
dened as:
and the percent ratiometric change in sensitivity is
dened as:
Linearity and Symmetry.
The on-chip output stage
is designed to provide a linear output with a supply voltage of
5 V. Although application of very high magnetic elds will not
damage these devices, it will force the output into a non-linear
region. Linearity in percent is measured and dened as:
and output symmetry as:
ΔVout(q)(ΔΤ)
Vout(q)(ΤΑ) Vout(q)(25C)
Sens(25C)
–
=
(1)
2B
Vout(–B)
Vout(+B)
Sens
–
=
ΔSens(ΔΤ)
Sens(ΤΑ)
Sens(25C)
–
=
× 100%
(2)
(3)
Vout(q)(V
CC)
Vout(q)(5V)
ΔVout(q)(ΔV) =
× 100%
VCC 5 V
(4)
VCC 5 V
=
× 100%
ΔSens(ΔV)
Sens(V
CC
) Sens(5V)
(5)
–
=
× 100%
Lin+
Vout(+B)
2(Vout(+B / 2) – Vout(q) )
Vout(q)
(6)
–
=
× 100%
Lin–
Vout(–B)
2(Vout(–B / 2) – Vout(q) )
Vout(q)
(7)
–
=
× 100%
Sym
Vout(+B)
Vout(q) – Vout(–B)
Vout(q)
(8)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| A1322EUA-T | 制造商:Allegro MicroSystems 功能描述:Hall Effect Switch IC |
| A1322LLH | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Ratiometric Linear Hall Effect Sensor for High-Temperature Operation |
| A1322LLHLT | 功能描述:IC SENSOR HALL EFFECT SOT23W RoHS:否 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 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:數字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| A1322LLHLTT | 制造商:ALLGRO 功能描述: |
| A1322LLHLT-T | 功能描述:IC SENSOR HALL EFFECT SOT23W RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數字式開關，線性，羅盤 (IC) 系列:- 標準包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉 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:數字式，PWM，8.5 位串行 特點:可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
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