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參數(shù)資料
| 型號(hào)： | A1301KUA-T |
| 元件分類： | 速度傳感器和接近開關(guān) |
| 英文描述： | PROXIMITY SENSOR-HALL EFFECT, 2.40-2.60V, RECTANGULAR, THROUGH HOLE MOUNT |
| 封裝： | LEAD FREE, ULTRAMINI, SIP-3 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大小： | 267K |
| 代理商： | A1301KUA-T |
Continuous-Time Ratiometric
Linear Hall Effect Sensors
A1301 and
A1302
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Characteristic Definitions
Quiescent Output Voltage.
In the quiescent state (no sig-
nificant magnetic field: B = 0), the output, VOUTQ, equals one
half of the supply voltage, VCC, throughout the entire operating
ranges of VCC and ambient temperature, TA. Due to internal
component tolerances and thermal considerations, there is a
tolerance on the quiescent output voltage, ΔVOUTQ, which is
a function of both ΔVCC and ΔTA. For purposes of specifica-
tion, the quiescent output voltage as a function of temperature,
ΔVOUTQ(ΔT
A), is defined as:
where Sens is in mV/G, and the result is the device equivalent
accuracy, in gauss (G), applicable over the entire operating tem-
perature range.
Sensitivity.
The presence of a south-polarity (+B) magnetic
field, perpendicular to the branded face of the device package,
increases the output voltage, VOUT, in proportion to the magnetic
field applied, from VOUTQ toward the VCC rail. Conversely, the
application of a north polarity (–B) magnetic field, in the same
orientation, proportionally decreases the output voltage from its
quiescent value. This proportionality is specified as the magnetic
sensitivity of the device and is defined as:
The stability of the device magnetic sensitivity as a function of
ambient temperature, ΔSens (ΔT
A) (%) is defined as:
Ratiometric.
The A1301 and A1302 feature a ratiometric
output. This means that the quiescent voltage output, VOUTQ,
and the magnetic sensitivity, Sens, are proportional to the supply
voltage, VCC.
The ratiometric change (%) in the quiescent voltage output is
defined as:
and the ratiometric change (%) in sensitivity is defined as:
Linearity and Symmetry.
The on-chip output stage is
designed to provide linear output at a supply voltage of 5 V.
Although the application of very high magnetic fields does not
damage these devices, it does force their output into a nonlinear
region. Linearity in percent is measured and defined as:
and output symmetry as:
ΔVOUTQ(ΔΤ
Α)
Sens(25C)
VOUTQ(Τ
Α)
VOUTQ(25C)
–
=
(1)
2B
VOUT(–B) VOUT(+B)
Sens
–
=
ΔSens(ΔΤ
Α)
Sens(Τ
Α)
Sens(25C)
–
=
× 100%
(2)
(3)
VCC
5V
VOUTQ(VCC) VOUTQ(5V)
ΔVOUTQ(ΔV) =
× 100%
(4)
VCC 5V
=
× 100%
ΔSens(ΔV)
Sens(VCC)
Sens(5V)
(5)
=
× 100%
Lin+
2 (VOUT(+B) –VVOUTQ )
–
VOUT(+B) VOUTQ
(6)
=
× 100%
Lin–
2(VOUT(–B) –VOUTQ)
–
VOUT(–B) VOUTQ
(7)
–
=
× 100%
Sym
VOUT(+B)
VOUTQ –VOUT(–B)
VOUTQ
(8)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A1301ELHLT-T | PROXIMITY SENSOR-HALL EFFECT, 2.40-2.60V, RECTANGULAR, SURFACE MOUNT |
| A1302KUA-T | PROXIMITY SENSOR-HALL EFFECT, 2.40-2.60V, RECTANGULAR, THROUGH HOLE MOUNT |
| A1302KLHLT-T | PROXIMITY SENSOR-HALL EFFECT, 2.40-2.60V, RECTANGULAR, SURFACE MOUNT |
| A150N50X4C | 0 MHz - 3000 MHz 50 ohm RF/MICROWAVE TERMINATION |
| A15N50X4 | 0 MHz - 4500 MHz 50 ohm RF/MICROWAVE TERMINATION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1302 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Continuous-Time Ratiometric Linear Hall Effect Sensors |
| A-1302 | 制造商:TSAY-E International 功能描述:Bulk |
| A130-2 | 功能描述:SCREWDRIVER SLOTTED 1/8" 3.88" 制造商:klein tools, inc. 系列:- 零件狀態(tài):在售 工具類型:螺絲刀 尖頭 - 類型:開槽型 尺寸:1/8" 長(zhǎng)度 - 插片:2.00"（50.8mm） 長(zhǎng)度 - 總:3.88"（98.6mm） 特性:黑色刀頭，表面鍍鉻，口袋夾 重量:0.05 磅（22.68g） 標(biāo)準(zhǔn)包裝:12 |
| A13020.0 | 制造商:DORMER 功能描述:DRILL TAPER SHANK HSS 20MM |
| A13020.5 | 制造商:DORMER 功能描述:DRILL TAPER SHANK HSS 20.5MM |
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