MH252 霍尔效应传感器是温度稳定,应力,耐 灵敏度低公差 微型电源开关。优异的高温性能是通过一个动态偏移成为可能 注销,利用斩波稳定。这种方法降低了偏移电压通常由引起 设备通过模压,温度依存性及热应力。
MH252 低工作电压,1.65V是特制到有源这是芯片 包括 下面就一个单一的硅芯片: 电压调整器,霍尔电压发生器,小信号放大器, 稳定斩波特性,施密特触发器,CMOS输出驱动器。先进的CMOS晶圆制造 处理用于利用低电压要求,元件匹配,极低的优势 输入偏移错误和小型元件几何尺寸。
特点和优点
l CMOS霍尔IC技术
l 强大的RF噪声保护
l 1.65~3.5V的电池供电的应用
l 全极性,输出开关与北极或南极的磁铁的绝对值
l 工作电压可低至1.65V,微功耗
l 高灵敏度的磁簧开关的替代应用
l 方向检测
l 低灵敏度漂移温度的交叉。范围
l 超低功耗5UA(平均)
l 高ESD保护,HBM>±4KV(分钟)
l 操作与南极(OUT1)或北极(OUT2)
l 图腾柱输出
应用
l 固态开关 l 手持式无线话筒清醒开关(翻转手机/小灵通手机/笔记簿/倒装视频集)
l 为磁簧开关更换低占空比应用磁铁接近传感器 l 水表 l 掌上电脑 l PDVD
l NB l PAB电脑
Ordering
Number
MH252
Operation
type
Switch
Temperature
E
Package
VK/SN
Voltage
range
1.65V - 3.5V
Output
current
1mA
Sensitivity(typ)
50(30) Gauss
Status
NOW
note
High Sensitivity Omnipolar-MicroPower Switch + dual
CMOS output
CMOS Hall IC Technology l
Strong RF noise protection l
1.65 to 3.5V for battery-powered applications l
Omni polar, output switches with absolute value of North or South pole from magnet l
Operation down to 1.65V, Micro power consumption l
High Sensitivity for reed switch replacement applications l
Direction detection l
Low sensitivity drift in crossing of Temp. range l
Ultra Low power consumption at 5uA (Avg) l
High ESD Protection, HBM l> ±4KV( min )
Operation with South Pole (OUT1) or North Pole (OUT2) l
Totem-pole outputl
Products
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Ordering
Number
Operation
type
Temperature
Package
Voltage 电压范围
range
Output 输出电流
Current
Sensitivity
灵敏度
(典型值)
(typ)
Status
MH181
Latch
E/K
UA/SO
3.5V - 20V
25mA
90 Gauss
NOW
MH182
Latch
E/K
UA/SO
3V - 24V
50mA
60 Gauss
NOW
MH187
Latch
E/K/L
UA/SO/SQ
3.5V-26V
50mA
60 Gauss
NOW
MH188
Latch
E/K
UA/SO
2.5V-24V
50mA
25 Gauss
Now
MH189
Latch
E/K
UA/SO
3V - 26V
12mA
40 Gauss
NOW
MH190
Latch
E/K
UA/SO
4V-30V
25mA
110 Gauss
NOW
MH192
Latch
E/K
UA/SO/SQ
1.65V-6V
25mA
60(30) Gauss
NOW
MH281
Switch
E/K
UA/SO
3V - 24V
50mA
250(175) Gauss
NOW
MH282
Switch
E/K
UA/SO
3V - 24V
50mA
100 Gauss
NOW
MH284
Switch
E/K
UA/SO
4.5V-30V
25mA
175 Gauss
Sampling
MH248
Switch
E
UA/SO/ST/SQ
2.5V - 3.5V
2mA
60 Gauss
NOW
MH250
Switch
E
SO/ST/SQ/UA
1.7V - 3.5V
5mA
40(30) Gauss
NOW
MH251
Switch
E
ST/SN/SQ/UA
1.65V - 3.5V
1mA
55(30) Gauss
NOW
MH252
Switch
E
VK/SN
1.65V - 3.5V
1mA
50(30) Gauss
NOW
MH253
Switch
E/K
UA/SO/SQ
2.5V - 6V
25mA
60(30) Gauss
NOW
MH481
Linear
I
UA/SG/SQ
3V - 6.5V
10mA
2mV/Gauss
NOW
MH276
Driver
E
VK
3.5V-20V
400mA
50/70/100 Gauss
NOW
MH276T
Driver
E
VK
3.5V-20V
400mA
50/70/100 Gauss
NOW
MH477
Driver
E
VK
3.5V-20V
350mA
70/100/130 Gauss
NOW
MH477S
Driver
E
VK
3.5V-20V
200mA
70/100/130 Gauss
NOW
MH381/381F/381R
Driver
E/K
VK/VF/SF
2.5V-20V
600mA
40(20) Gauss
NOW
MH382/382F/382R
Driver
E/K
VK/VF/SF
4.5V-30V
300mA
40(20) Gauss
NOW