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參數(shù)資料
| 型號： | A1381LLHLT-T |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package |
| 中文描述： | 可編程線性霍爾與模擬輸出的微型超薄表面貼裝封裝效應傳感器 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 415K |
| 代理商： | A1381LLHLT-T |
Programmable Linear Hall Effect Sensors with Analog Output
Available in a Miniature Thin Profile Surface Mount Package
A1381, A1382,
A1383, and A1384
7
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Characteristic Definitions
Power-On Time
When the supply is ramped to its operating
voltage, the device requires a finite time to power its inter-
nal components before responding to an input magnetic field.
Power-On Time, t
PO
, is defined as: the time it takes for the out-
put voltage to settle within ±10% of its steady state value under
an applied magnetic field, after the power supply has reached its
minimum specified operating voltage, V
CC
(min), as shown in the
following chart.
V
V
CC
V
OUT
90% V
OUT
Delay to Clamp
A large magnetic input step may cause the
clamp to overshoot its steady state value. The Delay to Clamp,
t
CLP
, is defined as: the time it takes for the output voltage to
settle within ±1% of its steady state value, after initially passing
through its steady state voltage, as shown in the following chart.
Quiescent Voltage Output
In the quiescent state (no significant
magnetic field: B = 0 G), the output, V
OUT(Q)
, has a constant
ratio to the supply voltage, V
CC
, throughout the entire operating
ranges of V
CC
and ambient temperature, T
A
.
Guaranteed Quiescent Voltage Output Range
The quiescent
voltage output, V
OUT(Q)
, can be programmed around its nominal
value of 2.5 V, within the guaranteed quiescent voltage range
limits: V
OUT(Q)
(min) and V
OUT(Q)
(max). The available guaran-
teed programming range for V
OUT(Q)
falls within the distributions
of the initial, V
OUT(Q)init
, and the maximum programming code
for setting V
OUT(Q)
, as shown in the following diagram.
Average Quiescent Voltage Output Step Size
The average qui-
escent voltage output step size for a single device is determined
using the following calculation:
V
OUT(Q)maxcode
–
V
OUT(Q)init
Step
VOUT(Q)
=
where:
n
is the number of available programming bits in the trim
range,
2
n
–1 is the value of the maximum programming code in the
range, and
V
OUT(Q)maxcode
is the quiescent voltage output at code 2
n
–1.
2
n
–1
.
(1)
Quiescent Voltage Output Programming Resolution
The pro-
gramming resolution for any device is half of its programming
step size. Therefore, the typical programming resolution will be:
Err
PGVOUT(Q)
(typ)
=
0.5
× Step
VOUT(Q)
(typ)
.
(2)
+t
V
CC
(min.)
0
t
1
= time at which power supply reaches
minimum specified operating voltage
t
= time at which output voltage settles
within ±10% of its steady state value
under an applied magnetic field
t
1
t
2
t
PO
V
CC
(typ.)
V
t
Magnetic Input
V
OUT
0
t
= time at which output voltage initially
reaches steady state clamp voltage
t
= time at which output voltage settles to
within 1% of steady state clamp voltage
Note: Times apply to both high clamp
(shown) and low clamp.
V
CLP(HIGH)
t
1
t
2
t
CLP
V
OUT(Q)
(max)
V
OUT(Q)
(min)
V
OUT(Q)init
(typ)
Guaranteed Output
Programming
Range, V
OUT(Q)
Distribution for
Max Code V
OUT(Q)
Distribution for
V
OUT(Q)init
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| A1381LUA-T | Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package |
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| A1382 | Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package |
| A1382ELHLT-T | Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| A1381LLHLX-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 |
| A1381LUA-T | 功能描述:IC SENSOR HALL EFFECT PREC 3-SIP RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數(shù)字式開關，線性，羅盤 (IC) 系列:A138x 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(shù)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 |
| A1381LUATI-T | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package |
| A1382 | 制造商:HAKKO Corporation 功能描述: |
| A1382ELHLT-T | 功能描述:IC SENSOR HALL EFFECT SOT-23W RoHS:是 類別:傳感器，轉換器 >> 磁性 - 霍爾效應，數(shù)字式開關，線性，羅盤 (IC) 系列:A138x 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(shù)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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