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参数资料
| 型号： | A1393SEHLT-T |
| 元件分类： | 磁阻传感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, 3.1V, RECTANGULAR, SURFACE MOUNT |
| 封装： | 2 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, DFN-6 |
| 文件页数： | 4/15页 |
| 文件大小： | 480K |
| 代理商： | A1393SEHLT-T |
Micro Power 3 V Linear Hall Effect Sensor ICs
with Tri-State Output and User Selectable Sleep Mode
A1391, A1392,
A1393, and A1395
12
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Application Circuit with User-Configurable Ratiometry
Cfilter
Cbypass Vbat2
Micro-
processor
Supply pin
I/O
Vbat1
VCC
OUT
GND
SLEEP
VREF
A139x
Vbat2
Micro-
processor
Supply pin
I/O
Vbat1
Cfilter
Cbypass
VCC
OUT
GND
SLEEP
VREF
A139x
Figure 4. Application circuit showing ratiometry of VREF. Sleep mode is disabled and the VREF
pin is tied to the microprocessor supply.
Figure 5. Application circuit showing device reference pin, VREF, tied to microprocessor supply. The device
sleep mode also is controlled by the microprocessor.
In figures 4 and 5, the microprocessor supply voltage determines
the ratiometric performance of the A139x output signal. As in the
circuits shown in figures 2 and 3, the device is powered by the
Vbat2 supply, but in this case, ratiometry is determined by the
microprocessor supply, Vbat1.
The SLEEP pin is triggered by the output logic signal from the
microprocessor in figure 5, while in figure 4, the SLEEP pin is
connected to the device power supply pin. Therefore, the device
as configured in figure 4 is constantly in active mode, while
the device as confiugred in figure 5 can be periodically toggled
between the active and sleep modes.
The capacitor Cfilter is optional, and can be used to prevent pos-
sible noise transients from the microprocessor supply reaching
the device reference pin, VREF.
It is strongly recommended that an external bypass capacitor be
connected, in close proximity to the A139x device, between the
VCC and GND pins of the device to reduce both external noise
and noise generated by the chopper-stabilization circuits inside of
the A139x.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A1393SEHLT-T-CUT | 制造商:Allegro MicroSystems LLC 功能描述: |
| A1393SEHLX-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 |
| A1394 | 制造商:Hakko 功能描述:A1394 Nozzle |
| A1394/P | 制造商:HAKKO Corporation 功能描述: |
| A1394B/SURUYSUR/S530-A3(FTK) | 制造商:Everlight Electronics Co 功能描述: |
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