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參數資料
| 型號： | A1202LUA-T |
| 廠商： | Allegro Microsystems Inc |
| 文件頁數： | 1/14頁 |
| 文件大小： | 356K |
| 描述： | IC SW CONTINUOUS TIME BIPO 3-SIP |
| 產品培訓模塊： | Current Sensor |
| 標準包裝： | 4,000 |
| 傳感范圍： | 75G 跳閘，-75G 釋放 |
| 類型： | 雙極卡鎖 |
| 電源電壓： | 3.8 V ~ 24 V |
| 電流 - 電源： | 7.5mA |
| 電流 - 輸出（最大）： | 25mA |
| 輸出類型： | 數字式，開漏極 |
| 特點： | 穩壓電壓 |
| 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 |
| 其它名稱： | 620-1010 |
Description
The Allegro
"
A1202 and A1203 Hall-effect bipolar switches
are next-generation replacements and extension of the popular
Allegro A3133 and A3132 bipolar switch product line. Overall,
the A120x family, produced with BiCMOS technology, consists
of continuous-time devices that feature fast power-on time
and low-noise operation. Device programming is performed
after packaging, to ensure increased switchpoint accuracy
by eliminating offsets that can be induced by package stress.
Unique Hall element geometries and low-offset amplifiers
help to minimize noise and to reduce the residual offset
voltage normally caused by device overmolding, temperature
excursions, and thermal stress.
The A120x Hall-effect bipolar switches include the following on
a single silicon chip: voltage regulator, Hall-voltage generator,
small-signal amplifier, Schmitt trigger, and NMOS output
transistor. The integrated voltage regulator permits operation
from 3.8 to 24 V. The extensive on-board protection circuitry
makes possible a ?0 V absolute maximum voltage rating for
superior protection in automotive and motor commutation
A1202-DS, Rev. 17
Features and Benefits
? Continuous-time operation
?Fast power-on time
?Low noise
? Stable operation over full operating temperature range
? Reverse battery protection
? Solid-state reliability
? Factory-programmed at end-of-line for optimum
performance
? Robust EMC performance
? High ESD rating
? Regulator stability without a bypass capacitor
Continuous-Time Bipolar Switch Family
Continued on the next page&
Packages: 3 pin SOT23W (suffix LH), and
3 pin SIP (suffix UA)
Functional Block Diagram
Not to scale
A1202 and A1203
Amp
Regulator
GND
VCC
VOUT
Offset
Gain
Trim
Control
To all subcircuits
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