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參數資料
型號: A1244LLHLX-I1-T
廠商: Allegro Microsystems Inc
文件頁數: 1/12頁
文件大小: 253K
描述: IC HALL EFFECT LATCH SOT-23W
標準包裝: 30,000
傳感范圍: 80G 跳閘,-80G 釋放
類型: 雙極卡鎖
電源電壓: 3 V ~ 24 V
電流 - 電源: 6.9mA
輸出類型: 數字
特點: 高速度
工作溫度: -40°C ~ 150°C
封裝/外殼: TO-236-3,SC-59,SOT-23-3
供應商設備封裝: SOT-23-3
包裝: 帶卷 (TR)
Description
The A1244 is a two-wire Hall-effect latch. The devices are
produced on the Allegro
"
 advanced BiCMOS wafer fabrication
process, which implements a patented high frequency, 4-phase,
chopper-stabilization technique. This technique achieves
magnetic stability over the full operating temperature range,
and eliminates offsets inherent in devices with a single Hall
element that are exposed to harsh application environments.
Two-wire latches are particularly advantageous in cost-sensitive
applications because they require one less wire for operation
versus the more traditional open-collector output switches.
Additionally, the system designer inherently gains diagnostics
because there is always output current flowing, which should
be in either of two narrow ranges. Any current level not within
these ranges indicates a fault condition.
The Hall-effect latch will be in the high output current state
in the presence of a magnetic south polarity field of sufficient
magnitude and will remain in this state until a sufficient north
polarity field is present.
The device is offered in two package styles. The LH is a
SOT-23W style, miniature low profile package for surface-
mount applications. The UA is a 3-pin ultra-mini single inline
package (SIP) for through-hole mounting. Both packages are
lead (Pb) free, with 100% matte tin leadframe plating.
A1244-DS, Rev. 1
Features and Benefits
?High speed, 4-phase chopper stabilization
?Low switchpoint drift throughout temperature range
?Low sensitivity to thermal and mechanical stresses
?On-chip protection
?Supply transient protection
?Reverse battery protection
?On-board voltage regulator
?3.0 to 24 V operation
?Solid-state reliability
?Robust EMC and ESD performance
?Industry leading ISO 7637-2 performance through use of
proprietary, 40-V clamping structures
Chopper-Stabilized, Two Wire Hall-Effect Latch
Functional Block Diagram
A1244
Amp
Regula
To all subcircuits
tor
Schmitt
Trigger
Polarity
Low-Pass
Filter
GND
VCC
GND
UA package only
0.01 糉
V+
Clock/Logic
Not to scale
Packages:
Approximate footprint
3-pin SOT23-W
2 mm ?3 mm ?1 mm
(suffix LH)
3-pin ultramini SIP
1.5 mm ?4 mm ?3 mm
(suffix UA)
相關PDF資料
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相關代理商/技術參數
參數描述
A1244LLHLX-I2-T 功能描述:IC HALL EFFECT LATCH 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
A1244LUA-I1-T 功能描述:IC HALL EFFECT LATCH SIP-3 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
A1244LUA-I2-T 功能描述:IC HALL EFFECT LATCH SIP-3 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
A1245LLHLT-I1-T 功能描述:IC HALL EFFECT LATCH SOT23-3 制造商:allegro microsystems, llc 系列:- 包裝:帶卷(TR) 零件狀態:有效 功能:卡銷 技術:霍爾效應 極化:南極 感應范圍:4mT 跳閘,-4mT 釋放 測試條件:-40°C ~ 150°C 電壓 - 電源:3 V ~ 24 V 電流 - 電源(最大值):6.9mA 電流 - 輸出(最大值):- 輸出類型:開路漏極 特性:- 工作溫度:-40°C ~ 150°C(TA) 封裝/外殼:TO-236-3,SC-59,SOT-23-3 供應商器件封裝:SOT-23-3 標準包裝:3,000
A1245LLHLT-I2-T 功能描述:IC HALL EFFECT LATCH SOT23-3 制造商:allegro microsystems, llc 系列:- 包裝:帶卷(TR) 零件狀態:有效 功能:卡銷 技術:霍爾效應 極化:南極 感應范圍:4mT 跳閘,-4mT 釋放 測試條件:-40°C ~ 150°C 電壓 - 電源:3 V ~ 24 V 電流 - 電源(最大值):5mA 電流 - 輸出(最大值):- 輸出類型:開路漏極 特性:- 工作溫度:-40°C ~ 150°C(TA) 封裝/外殼:TO-236-3,SC-59,SOT-23-3 供應商器件封裝:SOT-23-3 標準包裝:3,000
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