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參數資料
| 型號： | A1422LK |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數： | 13/15頁 |
| 文件大小： | 1197K |
| 描述： | IC SENSOR HALL EFFECT AC 4-SIP |
| 標準包裝： | 500 |
| 傳感范圍： | 35G 跳閘，-35G 釋放 |
| 類型： | 專用型 |
| 電源電壓： | 4 V ~ 26.5 V |
| 電流 - 電源： | 7mA |
| 電流 - 輸出（最大）： | 25mA |
| 輸出類型： | 數字，開路集電極 |
| 特點： | 高精度 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 4-SIP |
| 供應商設備封裝： | 4-SIP |
| 包裝： | 散裝 |
High Precision Hall Effect AC-Coupled Differential
Sensor IC with Integrated Filter Capacitor
A1421, A1422,
and A1423
13
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
On
Off
B
RP(typ)1421
and Output Signal, V
OUT
1421 Switching State
Applied Magnetic
Field, B
diff
B
0.0
15.0
15.0
OP(typ)1421, 1422
Off
Off
On
On
and Output Signal, V
OUT
1422 Switching State
Off
On
On
and Output Signal, V
OUT
1423 Switching State
t+
B
OP(typ)1423
B
RP(typ)1422
B
RP(typ)1423
65.0
65.0
Figure 2. Comparative typical output characteristics. This chart illustrates the switchpoints and the output polarities of the A1421,
A1422, and the A 1423. Characteristics shown without delay, see characteristic data charts for delay and phase shift contributions.
in the Characteristic Data section quantify the effect of the input
signal amplitude on the phase shift of the output. Positive values
of delay indicate a lagging output, while negative values indicate
a leading output.
AC-Coupled Operation
Steady-state magnet and system offsets are eliminated using an
on-chip differential bandpass filter. The upper and lower cut-off
frequencies of this patented filter are set using an internal inte-
grated capacitor. The differential structure of this filter improves
the ability of the IC to reject single-ended noise on the GND
or VCC lines and, as a result, makes the device more resistant
to EMI (electromagnetic interference) typically seen in hostile
remote-sensing environments.
Power Supply Protection
The device contains an on-chip voltage regulator and can operate
over a wide supply voltage range. In applications that operate the
device from an unregulated power supply, transient protection
must be added externally. For applications using a regulated line,
EMI/RFI protection may still be required. The circuit shown
in figure 3 is the most basic configuration required for proper
device operation.
Typical Circuit
A pull-up resistor, R
PU
, is required between the supply and out-
put terminals, as shown in figure 3. Also, the auxilliary terminal,
TEST, must be connected externally to the GND terminal.
2
1
3
4
V
OUT
0.1 uF
R
PU
V
S
VCC
TEST
VOUT
GND
A1421, A1422
or A1423
Figure 3. Basic application circuit. A pull-up resistor, R
PU
, is required
with the output driver.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| A1422LK-T | 功能描述:IC SENSOR HALL EFFECT AC 4-SIP 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 |
| A1423 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:High Precision Hall Effect AC-Coupled Differential Sensor with Integrated Filter Capacitor |
| A14233-000 | 制造商:TE Connectivity 功能描述:HT-SCE-1/4-2.0-9-PB-CS7783 - Bulk |
| A1-423-401-01 | 制造商:HECON / DANAHER 功能描述: |
| A1423LK | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:High Accuracy Analog Speed Sensor with Integrated Filter Capacitor |
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