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These Hall-effect latches are extremely temperature-stable and stress resistant sensors especially suited for operation over extended temperature ranges to +150°C. 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–’ is for -40°C to +85°C, and suffix ‘L–’ is for -40°C to +150°C. Three package styles provide a magnetically optimized package for most applications. Suffix ‘–LT’ is a miniature SOT89/TO-243AA transistor package for surface-mount applications; suffix ‘–UA’ 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
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
ALLEGRO |
2020+ |
SOT89 |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
ALLEGRO/雅麗高 |
22+ |
SOT89 |
100000 |
代理渠道/只做原裝/可含稅 |
詢價 | ||
ALLEGRO/雅麗高 |
23+ |
NA/ |
1000 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
ALLEGRO |
11+ |
SMD |
375 |
一級代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價 | ||
ALLEGRO |
1996 |
1000 |
原裝正品現(xiàn)貨庫存價優(yōu) |
詢價 | |||
ALLEG |
23+ |
SOT |
6500 |
專注配單,只做原裝進口現(xiàn)貨 |
詢價 | ||
ALLEGRO |
21+ |
SOT89 |
1183 |
原裝現(xiàn)貨假一賠十 |
詢價 | ||
ALLEGRO |
23+ |
NA |
666 |
專做原裝正品,假一罰百! |
詢價 | ||
ALLEGRO |
22+23+ |
SOT89 |
46007 |
絕對原裝正品現(xiàn)貨,全新深圳原裝進口現(xiàn)貨 |
詢價 | ||
ALLEGRO |
SOT-89 |
608900 |
原包原標簽100%進口原裝常備現(xiàn)貨! |
詢價 |