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參數(shù)資料
| 型號(hào)： | A1395SEHLT-T |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | Micro Power 3 V Linear Hall Effect Sensors withTri-State Output and User-Selectable Sleep Mode |
| 中文描述： | 微功率3 V線性霍爾效應(yīng)傳感器withTri態(tài)輸出和用戶可選擇的睡眠模式 |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大小： | 534K |
| 代理商： | A1395SEHLT-T |
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Description
The A139x family of linear Hall effect sensor integrated circuits
(ICs) provide a voltage output that is directly proportional to
an applied magnetic field. Before amplification, the sensitivity
of typical Hall effect ICs (measured in mV/G) is directly
proportional to the current flowing through the Hall effect
transducer element inside the ICs. In many applications, it
is difficult to achieve sufficient sensitivity levels with a Hall
effect sensor IC without consuming more than 3 mA of current.
The A139x minimize current consumption to less than 25
μ
A
through the addition of a user-selectable sleep mode. This makes
these devices perfect for battery-operated applications such as:
cellular phones, digital cameras, and portable tools. End users
can control the current consumption of the A139x by applying a
logic level signal to the Sˉ ˉ ˉ ˉ pin. The outputs of the devices
are not valid (high-impedance mode) during sleep mode. The
high-impedance output feature allows the connection of multiple
A139x Hall effect devices to a single A-to-D converter input.
The quiescent output voltage of these devices is 50 % nominal of
the ratiometric supply reference voltage applied to the VREF pin
of the device. The output voltage of the device is not ratiometric
with respect to the SUPPLY pin.
1391-DS, Rev. 2
Features and Benefits
High-impedance output during sleep mode
Compatible with 2.5 to 3.5 V power supplies
10 mW power consumption in the active mode
Miniature MLP/DFN package
Ratiometric output scales with the ratiometric supply
reference voltage (VREF pin)
Temperature-stable quiescent output voltage and
sensitivity
Wide ambient temperature range: –20°C to 85°C
ESD protection greater than 3 kV
Solid-state reliability
Preset sensitivity and offset at final test
Micro Power 3 V Linear Hall Effect Sensors
withTri-State Output and User-Selectable Sleep Mode
Continued on the next page…
Package: 6 pin MLP/DFN (suffix EH)
Functional Block Diagram
Approximate scale
A1391, A1392, A1393, and A1395
Amp
Out
VCC
OUT
GND
F
D
C
Gain
Offset
Hall Element
Regulator
Programming Logic
Circuit Reference Current
To all subcircuits
R
Ratio
/ 2
R
Ratio
/ 2
VREF
SLEEP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1395SEHLT-T2 | 制造商:Allegro MicroSystems LLC 功能描述: |
| A1395SEHLT-T-CUT | 制造商:Allegro MicroSystems LLC 功能描述: |
| A1395SEHLX-T | 制造商:Allegro MicroSystems 功能描述:LOW POWER LINEAR HALL-EFFECT S 制造商:ALLEGRO MICROSYSTEMS, LLC 功能描述:IC HALL EFFECT SENSOR 6-MLP |
| A1396 | 制造商:Hakko 功能描述:A1396 Nozzle |
| A1396/P | 制造商:HAKKO Corporation 功能描述: |
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