单极常温小回差高灵敏霍尔开关电路_电子栏目

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单极常温小回差高灵敏霍尔开关电路

来自：苏州思迪科电子科技有限公司

0.65人民币

发布时间：2012-2-14 关注次数：829

产品参数

商品详情

PN	SH3144L	Operating Temperature	E:-40～85℃	Package	TO-92UA/SOT89	1000pcs/bag
			L:-40～150℃

General Description

SH3144L Hall-effect switch integrated circuits for high temperature operating based on Hall-effect principle, apply the semiconductor monolithic technology, which includes a voltage regulator, Hall voltage generator, differential amplifier, Schmitt trigger and an open-collector output on a single silicon chip. ICs can convert the bbbbb magnetic field signal into digital voltage output.

Features
Small size；High Sensitivity；Quick Response；Good Temperature Performance；High Accuracy；Excellent Reliability

Typical applications

Non-contact Switch；Automotive Ignition；Brake Ics；bbbbbbbb control ；Revolution detection；Safe alarm device；Textile control system

Absolute Maximum Rating

Supply Voltage V_{CC··························}4.5～28V；

Output Current I_{O·································}25mA

Operating Temperature Range T_{A·····························}RANK E:-40～85℃, L;-40～150℃

Storage Temperature Range T_{S ··························}-65～150℃

Functional Block Diagram

1,V_cc

3, V_out

2, GND

REG

Magnetic-electrical

transfer characteristics

V_OUT

B_H

B_RP

B_OP

V_OH

V_OL

Magnetic Characteristics (Unit: mT)

Parameter	symbol	Value			Unit
Parameter	symbol	Min	Typ	Max	Unit
Operate Point	B_OP	-	-	20	mT
Release Point	B_RP	3	-	-	mT
Hysteresis	B_hys	6	-	9	mT

Electrical Characteristics T_A=25℃

Parameter	Symbol	Test Condition	Value					Unit
Parameter	Symbol	Test Condition	Min		Typ	Max		Unit
Supply Voltage	V_CC		4.5	-			24	V
Output Low Voltage	V_OL	Iout=25mA，B>B_OP	-	175			400	mV
Output Leakage Current	I_OH	Vout=24V，BRP	-	<1.0			10	μA
Supply Current	I_CC	V_CC=24V OCoutput	-	5			-	mA
Output Rise time	t_r	Vcc=12V, R_L=820Ω,C_L=20pF	-	0.2			2.0	μS
Output Fall time	t_f	Vcc=12V, R_L=820Ω,C_L=20pF	-	0.18			2.0	μS