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參數(shù)資料
| 型號(hào)： | A3230LUA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 512K |
| 描述： | IC SW HALL EFFECT CHOPPER 3-SIP |
| 產(chǎn)品培訓(xùn)模塊： | Current Sensor |
| 標(biāo)準(zhǔn)包裝： | 4,000 |
| 傳感范圍： | 25G 跳閘，-25G 釋放 |
| 類型： | 雙極卡鎖 |
| 電源電壓： | 3.6 V ~ 24 V |
| 電流 - 電源： | 3.5mA |
| 電流 - 輸出（最大）： | 60mA |
| 輸出類型： | 數(shù)字式，開漏極 |
| 特點(diǎn)： | 穩(wěn)壓電壓 |
| 工作溫度： | -40°C ~ 150°C |
| 封裝/外殼： | 3-SIP |
| 供應(yīng)商設(shè)備封裝： | 3-SIP |
| 包裝： | 散裝 |
| 產(chǎn)品目錄頁面： | 1139 (CN2011-ZH PDF) |
| 其它名稱： | 620-1045 |
Description
The A3230 Hall-effect sensor IC is a temperature stable,
stress-resistant bipolar switch. This device is the most sensitive
Hall-effect device in the Allegro
"
bipolar switch family and is
intended for ring-magnet sensing. Superior high-temperature
performance is made possible through an Allegro patented
dynamic offset cancellation that utilizes chopper-stabilization.
This method reduces the offset voltage normally caused by
device overmolding, temperature dependencies, and thermal
stress.
The A3230 includes the following on a single silicon chip:
a voltage regulator, Hall-voltage generator, small-signal
amplifier, chopper stabilization, Schmitt trigger, and a short
circuit protected open-drain output. Advanced BiCMOS
wafer fabrication processing takes advantage of low-voltage
requirements, component matching, very low input-offset
errors, and small component geometries.
The A3230 Hall-effect bipolar switch turns on in a south
polarity magnetic field of sufficient strength and switches
off in a north polarity magnetic field of sufficient strength.
Because the output state is not defined if the magnetic field is
3230-DS, Rev. 9
Features and Benefits
? Chopper stabilization
?Superior temperature stability
?Extremely low switchpoint drift
?Insensitive to physical stress
? Reverse battery protection
? Output short circuit protection
? Solid state reliability
? Small size
? Robust EMC capability
? High ESD ratings (HBM)
Chopper-Stabilized Hall-Effect Bipolar Switch
Continued on the next page&
Functional Block Diagram
Not to scale
A3230
Regulator
GND
VCC
VOUT
Control
Current Limit
<1?
To All Subcircuits
Amp
Packages: 3 pin SOT23W (suffix LH), and
3 pin SIP (suffix UA)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A3241LUA-T | IC SWITCH HALL EFFECT 3-SIP |
| A3245LLHLT-T | IC SW HALL EFFECT OMNI SOT23W |
| A3251LUA-T | IC SW HALL EFFECT UNI 3-SIP |
| A3260LUA | IC SW HALL EFFECT BIPO 3-SIP |
| A3282LLHLT-T | IC SW HALL EFFECT CHOPPER SOT23W |
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