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3185 THRU 3189
HALL-EFFECT LATCHES
FOR HIGH-TEMPERATURE OPERATION

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0755£­83283733, 83031813£¬33062500

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MSN£ºsumzi003@sumzi.com  sumzi006@sumzi.com

Email:sumzi@sumzi.com 

http://www.sumzi.com

These Hall-effect latches are extremely temperature-stable and stressresistant
sensors especially suited for operation over extended temperature
ranges to +150¡ãC. Superior high-temperature performance is made possible
through a novel Schmitt trigger circuit that maintains operate and release
point symmetry by compensating for temperature changes in the Hall element.
Additionally, internal compensation provides magnetic switch points
that become more sensitive with temperature, hence offsetting the usual
degradation of the magnetic field with temperature. The symmetry capability
makes these devices ideal for use in pulse-counting applications where duty
cycle is an important parameter. The four basic devices (3185, 3187, 3188,
and 3189) are identical except for magnetic switch points.
Each device includes on a single silicon chip a voltage regulator, quadratic
Hall-voltage generator, temperature compensation circuit, signal
amplifier, Schmitt trigger, and a buffered open-collector output to sink up to
25 mA. The on-board regulator permits operation with supply voltages of 3.8
to 24 volts.
The first character of the part number suffix determines the device
operating temperature range. Suffix ¡®E¨C¡¯ is for -40¡ãC to +85¡ãC, and suffix
¡®L¨C¡¯ is for -40¡ãC to +150¡ãC. Three package styles provide a magnetically
optimized package for most applications. Suffix ¡®¨CLT¡¯ is a miniature SOT-
89/TO-243AA transistor package for surface-mount applications; suffix ¡®¨CU¡¯
is a three-lead plastic mini-SIP, while suffix ¡®¨CUA¡¯ is a three-lead ultra-mini-
SIP.

FEATURES

Symmetrical Switch Points

Superior Temperature Stability

Operation From Unregulated Supply

Open-Collector 25 mA Output

Reverse Battery Protection

Activate With Small, Commercially Available Permanent Magnets

Solid-State Reliability

Small Size

Resistant to Physical Stress

ABSOLUTE MAXIMUM RATINGS
at TA = +25¡ãC
Supply Voltage, VCC ............................ 30 V
Reverse Battery Voltage, VRCC ........... -30 V
Magnetic Flux Density, B ........... Unlimited
Output OFF Voltage, VOUT .................. 30 V
Reverse Output Voltage, VOUT .......... -0.5 V
Continuous Output Current, IOUT ..... 25 mA
Operating Temperature Range, TA
Suffix ¡®E¨C¡¯ ................... -40¡ãC to +85¡ãC
Suffix ¡®L¨C¡¯ ................. -40¡ãC to +150¡ãC
Storage Temperature Range,
TS ............................... -65¡ãC to +170¡ãC

UCN5804LBreplaced by A3977/A3967   UCN5801A   L6219DSTR   ATS674LSETN   ATS665LSG   ATS612LSB   ATS611LSB 
ACS750LCA-075   ACS712ELC-30A   ACS712ELC-20A   ACS712ELC-05A   ACS706ELC-05CACS704ELC-015  A8904SLB  A8430EEKTR-T  A6275SLWTR   A5348CA A3983SLP-T  A3980KLP-T  A3979SLP-T   A3977SLP  A3977SEDTR-TA3977SEDA3973SLBTR-T   A3972SB-T   A3972SB   A3968SLB-T  A3967SLBTR-T  A3967SLBTR   A3966SLBTR-T  A3966SLBTR  A3959SB replaced A3952A3955SLBTR-T  A3955SLB  A3955SB-T   A3936SED-T  A3936SED  A3932SEQA3517SUA   A3515EUA   A3425LL-T  A3425LK-T  A3422LKA-T   A3290XUAA3281LLTTR    A3281LLT   A3281LLHLT-T  A3280LUA£¨replaceA88L)   A3280LLTTRA3280LLHLT-T  A3280LLHLT  A3280EUA   A3280ELHLT  A3245LLHLT-TA3245ELHLT-T   A3240LUA-T  A3240LUA  A3240LLHLT-T   A3240EUA-TA3240ELHLT  A3213EUA-T  A3213EUA   A3213ELHLT-T   A3212ELHLTA3212EEHLT-T  A3212EEH  A3210ELHT£¨replacement by A3212 and A3213)A3210ELHLT   A3187LUA-T  A3187LLTTR-T  A3172XUA  

A3144LU replaced by A1104   A3144EU-T replaced by A1104

A3144EUA-T replaced by A1104  A3144EUA replaced by A1104 

A3144EU replaced by A1104  A3144ELT replaced by A1104

A3142LUA replaced by A1101  A3142LLT   A3141LUA£¨replaced by A1101)   A3141LUA  A3141EUA  A3141EU  A3121LU    A3121ELT  A3056LU  A3046LUA1321LUA-T  A1321LLHLT-T    A1302UA   A1302EUA-T   A1302EUA A1106EUA-T  A1106ELHLT-T  A1104EU-T  A1104EUA-T   A1102LUA-TA1102LLTTR-T  A1102LLHLT-T   A1101LUA (replace A3141LUA)   A1101LLHLT-TA1101EU-T   A1101EUA-T    A11011LLHLT-T   A3955SB   SKHMPSE010   AO4606AP5200   7C256-15JC  7C256-12JC  ACS712ELCTR-05B-T   ACS712ELCLU-05C-TA3977SLP-T   A3212EUA-T