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參數資料
| 型號： | A1221LLHLT-T |
| 元件分類： | 磁阻傳感器 |
| 英文描述： | MAGNETIC FIELD SENSOR-HALL EFFECT, -9-9mT, 30-60mA, RECTANGULAR, SURFACE MOUNT |
| 封裝： | LEAD FREE, SOT-23W, 3 PIN |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 290K |
| 代理商： | A1221LLHLT-T |
Description
The A1220, A1221, A1222, and A1223 Hall-effect sensor ICs
are extremely temperature-stable and stress-resistant devices
especiallysuitedforoperationoverextendedtemperatureranges
to 150°C. Superior high-temperature performance is made
possiblethroughdynamicoffsetcancellation,whichreducesthe
residual offset voltage normally caused by device overmolding,
temperature dependencies, and thermal stress. Each device
includes 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
to sink up to 25 mA. A south pole of sufficient strength turns
the output on. A north pole of sufficient strength is necessary
to turn the output off.
An onboard regulator permits operation with supply voltages
of 3 to 24 V. The advantage of operating down to 3 V is that
the device can be used in 3-V applications or with additional
external resistance in series with the supply pin for greater
protection against high voltage transient events.
Two package styles provide magnetically optimized packages
for most applications. Package type LH is a modified 3-pin
SOT23W surface mount package while UAis a three-pin ultra-
mini SIP for through hole mounting. Both packages are lead
(Pb) free, with 100% matte tin plated leadframes.
A1220-DS, Rev. 11
Features and Benefits
Symmetrical latch switchpoints
Resistant to physical stress
Superior temperature stability
Output short-circuit protection
Operation from unregulated supply down to 3 V
Reverse battery protection
Solid-state reliability
Small package sizes
Chopper Stabilized Precision Hall Effect Latches
Packages:
Functional Block Diagram
Not to scale
A1220, A1221, A1222, and A1223
3-pin SOT23W (suffix LH)
3-pin SIP (suffix UA)
Regulator
GND
VCC
VOUT
Control
Current Limit
Dyna
mic
O
ffse
t
Ca
nce
lla
tion
S
am
ple
and
H
old
To All Subcircuits
Amp
Low-Pass
Filter
相關PDF資料 |
PDF描述 |
|---|---|
| A1222LLHLT-T | MAGNETIC FIELD SENSOR-HALL EFFECT, -15-15mT, 30-60mA, RECTANGULAR, SURFACE MOUNT |
| A1242EUA-I2-T | MAGNETIC FIELD SENSOR-HALL EFFECT, -8-8mT, RECTANGULAR, THROUGH HOLE MOUNT |
| A1242LUA-I1-T | MAGNETIC FIELD SENSOR-HALL EFFECT, -8-8mT, RECTANGULAR, THROUGH HOLE MOUNT |
| A1242ELHLT-I1-T | MAGNETIC FIELD SENSOR-HALL EFFECT, -8-8mT, RECTANGULAR, SURFACE MOUNT |
| A1242LLHLT-I1-T | MAGNETIC FIELD SENSOR-HALL EFFECT, -8-8mT, RECTANGULAR, SURFACE MOUNT |
相關代理商/技術參數 |
參數描述 |
|---|---|
| A1221LLHLT-T2 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Chopper Stabilized Precision Hall Effect Latches |
| A1221LLHLX-T | 功能描述:IC HALL EFFECT LATCH 3V SOT-23W 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 |
| A1221LUA-T | 功能描述:IC HALL EFFECT LATCH 3V 3-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 |
| A1221LUA-T | 制造商:Allegro MicroSystems 功能描述:Hall Effect Latch IC |
| A1222 | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:Chopper Stabilized Precision Hall Effect Latches |
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