AH1895：全极性的霍尔效应开关
| Part Number | Data Sheet | SPICE Model | # Outputs | ActiveHigh orLow | Sensitivity | Operating Voltage (V) | Average Supply Current (µA) | Min OperatingPoint ±Bop (Guass) | Typ OperatingPoint ±Bop(Guass) | Max OperatingPoint ±Bop(Guass) | Min ReleasePoint ±Brp(Guass) | Typ ReleasePoint ±Brp(Guass) | Max ReleasePoint ±Brp(Guass) | Operating Ambient Temperature Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AH1895 | AH1895.pdf | - | 1 | Low | Medium | 1.6 to 3.6 | 4.3 | ±40 | ±60 | ±80 | ±35 | ±50 | ±65 | -40 to +85 |
Description
The AH1895 is a medium sensitivity micropower Omnipolar Hall effect switch IC with internal pull up and pull down capability. Designed for portable and battery powered equipment such as cellular phones and portable PCs to home appliances and industrial applications, the average supply current is only 4.3uA at 1.85V. To support portable equipment the AH1895 can operate over the supply range of 1.6V to 3.6V and uses a hibernating clocking system to minimize the power consumption. Based on chopper stabilized architecture the AH1895 provides a reliable solution over the whole operating range. To minimize PCB space the AH1895 is available in small low profile packages . The single output is activated with either a north or south pole of sufficient magnetic field strength. When the magnetic flux density (B) perpendicular to the package is larger than operate point (Bop), the output will be turned on (pul°C low) and held until B is lower than release point (Brp). The output will remain off when there is no magnetic field. The AH1895 is available in a small low profile X1-DFN1216-4 and leaded SOT553 packages
Application
- Holster or Cover Detect for Cellular Phones and Tablets PCs
- Open and Close Detect for Fflip/Slide Cellular Phones
- Cover or Display Switch in Low Profile Portable PCs (eg Ultrabooks)
- Digital Still, Video Cameras and Handheld Gaming Consoles
- Door, Lids and Tray Position Switches
- Level, Proximity and Position Switches
- Contact-Less Switches in Home Appliances and Industrial Applications
订购型号
- AH1895-FA-7
- AH1895-Z-7
SOT553
X1-DFN1216-4
- AH1895.pdf AH1895
- DZQA6V8AXV5 DZQA6V8AXV5
- DZQA6V8AXV5 DZQA6V8AXV5
- AH3360 high sensitivity micropower unipolar hall-effect switch AH3360
- AH3360 high sensitivity micropower unipolar hall-effect switch AH3360
