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Description
The Allegro
"
 A1205 Hall-effect bipolar switch is a next-
generation replacement and extension of the popular Allegro
A3134 bipolar switch. The A1205 has identical specifications
as the A1201 but is recommended for applications that require
pulsing V
CC
 to conserve power. For standard applications,
where V
CC
 is constant, please refer to the A1201 through
A1204 devices.
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
A12051-DS, Rev. 6
Features and Benefits
? Ideal for applications that require pulsing V
CC
 to
conserve power
? 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
Continued on the next page&
Packages:
Functional Block Diagram
Not to scale
A1205
3 pin SOT23W (LH)
3 pin SIP (UA)
Amp
Regulator
GND
VCC
VOUT
Offset
Gain
Trim
Control
To all subcircuits
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相关代理商/技术参数
A1205LLHLT-T 功能描述:IC SWITCH HALL EFFECT GP SOT23W RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR
A1205LLHLT-T TRW 制造商:Allegro MicroSystems 功能描述:
A1205LLHLX-T 制造商:Allegro MicroSystems LLC 功能描述:IC HALL EFFECT SWITCH BIP SOT23W
A1205LUA-T 功能描述:IC SWITCH HALL EFFECT GP 3-SIP RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR
A1205TE-1W 制造商:UNBRANDED 功能描述:DC/DC CONVERTER 1W +/-5V
A1206.0 制造商:DORMER 功能描述:STUB DRILL HSS 6MM 制造商:DORMER 功能描述:STUB DRILL, HSS, 6MM 制造商:DORMER 功能描述:STUB DRILL, HSS, 6MM; Drill Bit Size Metric:6mm; Effective Length:28mm; Overall Length:66mm; SVHC:No SVHC (19-Dec-2012); Drill Bit Type:Stub; Drill Point Diameter:6mm; External Diameter:6.00mm; Material:HSS ;RoHS Compliant: NA
A1206.5 制造商:DORMER 功能描述:STUB DRILL HSS 6.5MM 制造商:DORMER 功能描述:STUB DRILL, HSS, 6.5MM
A12060150R010D0TR 功能描述:衰减器 -IC RoHS:否 制造商:Skyworks Solutions, Inc. 最大衰减:18 dB 容差: 阻抗: 功率额定值:30 dBm 安装风格:SMD/SMT 工作温度范围:- 40 C to + 85 C