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參數(shù)資料
| 型號： | A1148LUA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 9/13頁 |
| 文件大小： | 454K |
| 描述： | IC SWITCH HALL EFFECT UNI 3-SIP |
| 產(chǎn)品培訓模塊： | Current Sensor |
| 標準包裝： | 500 |
| 傳感范圍： | 80G 跳閘，10G 釋放 |
| 類型： | 單極開關 |
| 電源電壓： | 3.5 V ~ 24 V |
| 電流 - 電源： | 5mA |
| 輸出類型： | 數(shù)字，開路集電極 |
| 特點： | 穩(wěn)壓電壓 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 3-SIP |
| 供應商設備封裝： | 3-SIP |
| 包裝： | 散裝 |
Low Current Ultrasensitive Two-Wire
Chopper-Stabilized Unipolar Hall Effect Switches
A1147 and
A1148
8
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Application Information
For additional general application information, visit the Allegro
Web site at www. allegromicro.com.
GND
A114x
VCC
V+
0.01 糉
A
B
B
GND
ECU
Package UA Only
A
B
Maximum separation 5 mm
R
SENSE
C
BYP
Figure 3. Typical application circuit
Typical Application Circuit
The A114x family of devices must be protected by an external
bypass capacitor, C
BYP
, connected between the supply, VCC,
and the ground, GND, of the device. C
BYP
reduces both external
noise and the noise generated by the chopper-stabilization func-
tion. As shown in figure 3, a 0.01 糉 capacitor is typical.
Installation of C
BYP
must ensure that the traces that connect it to
the A114x pins are no greater than 5 mm in length.
All high-frequency interferences conducted along the supply
lines are passed directly to the load through C
BYP
, and it serves
only to protect the A114x internal circuitry. As a result, the load
ECU (electronic control unit) must have sufficient protection,
other than C
BYP
, installed in parallel with the A114x.
A series resistor on the supply side, RS (not shown), in combina-
tion with C
BYP
, creates a filter for EMI pulses.
When determining the minimum V
CC
requirement of the A114x
device, the voltage drops across R
S
and the ECU sense resistor,
R
SENSE
, must be taken into consideration. The typical value for
R
SENSE
is approximately 100 ?
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A1148LUATI | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A1148LUATI-T | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Low Current Ultrasensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches |
| A11490 | 功能描述:大功率LED - 單色 Amber 590nm 5 Watt RoHS:否 制造商:Cree, Inc. 照明顏色:Blue 波長:465 nm 光強度: 光通量/輻射通量:500 mW 正向電流:350 mA 正向電壓:3.1 V 安裝風格:SMD/SMT 功率額定值: 系列:XB-D 封裝:Reel |
| A114A | 制造商:General Electric Company 功能描述: 制造商:Advanced Semiconductor Inc 功能描述:Rectifier Diode, 100 Volt, Axial-B 制造商:SIGNAL DIODE 功能描述:Rectifier Diode, 100 Volt, Axial-B |
| A11-4A | 制造商:Honeywell Sensing and Control 功能描述: |
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