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参数资料
| 型号： | AH1891-CA4-7 |
| 厂商： | Diodes Inc |
| 文件页数： | 1/7页 |
| 文件大小： | 251K |
| 描述： | IC HALL SENSR OMNI SW UWLB0808-4 |
| 标准包装： | 1 |
| 传感范围： | ±60G 跳闸，±50G 释放 |
| 类型： | 全极开关 |
| 电源电压： | 1.8 V ~ 3.3 V |
| 电流 - 电源： | 4mA |
| 输出类型： | 数字，推挽式 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 4-VFBGA，CSPBGA |
| 供应商设备封装： | 4-CSP |
| 包装： | 标准包装 |
| 其它名称： | AH1891-CA4-7DIDKR |
AH1891
MINIATURE MICROPOWER OMNIPOLAR
HALL EFFECT SWITCH
AH1891
Document number: DS35207 Rev. 1 - 2
1 of 7
www.diodes.com
April 2011
?Diodes Incorporated
Description
The AH1891 is a miniature micropower Omnipolar Hall effect
switch IC with dual outputs specifically designed for portable
and battery powered equipment such as cellular phones and
portable PCs. To support battery powered equipment the
AH1891 has been optimized to operate over the supply range
of 1.8V to 3.3V and uses a sleep function to give an average
supply current of only 7uA. To minimize PCB space the
AH1891 is packaged in the small CSP package
(0.8mmx0.8mm) and the design integrates the external pull
up resistors to simplify the applications circuit.
The outputs of the AH1891 are switched with either a North or
South pole of sufficient strength. When the magnetic flux
density (B) is larger than operate point (Bop), Output 1 will
pull low and Output 2 will be inverted (high). The output states
are held until B is lower than release point (Brp).
The AH1891 is available in U-WLB0808-4 package.
Features
" Omnipolar (North or South) operation
" Low supply voltage of 1.8V to 3.3V
" Micropower operation
" Dual outputs for design flexibility
" Internal pull up and pull down capability
" Chopper stabilized design for:
o Superior temperature stability
o Superior temperature stability
o Superior temperature stability
" Good RF noise immunity
" -40癈 to 85癈 Operating Temperature
" ESD 4KV in Human Body Mode
" Miniature CSP package 0.8mm x 0.8mm
Pin Assignments
A1 A2
B1 B2
(Top View)
A2
A1
B2
B1
(Bottom View)
Applications
" Cellular phones
" Portable PCs and PDAs
" Digital cameras
" Portable and battery powered applications
Typical Application Circuit
AH1891
Output 1
GND
Output 2
Vdd
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相关代理商/技术参数 |
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|---|---|
| AH1891PL | 制造商:Cooper Wiring Devices 功能描述: |
| AH1892 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:PROGRAMMABLE MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH |
| AH1892-CD4-7 | 功能描述:板机接口霍耳效应/磁性传感器 MicroPWR Hall Effect 1.6V to 3.6V 4.3uA RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23 |
| AH1892-Z-7 | 功能描述:板机接口霍耳效应/磁性传感器 MicroPWR Hall Effect 1.6V to 3.6V 4.3uA RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23 |
| AH1893-FA-7 | 制造商:Diodes Incorporated 功能描述:HALL OMNIPOLAR SWITCH X1-DFN1216-4 T&R 3K - Tape and Reel 制造商:Diodes Incorporated 功能描述:IC HALL SENSR OMNIPLOR SW 4DFN |
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