A1212

更新时间： 2024-11-18 22:38:39

品牌	Logo	应用领域
急速微 - ALLEGRO		锁存器射频微波
页数	文件大小	规格书
12页	441K
描述
Continuous-Time Latch Family

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A1212 数据手册

A1210, A1211, A1212, A1213, and A1214

Continuous-Time Latch Family

The Allegro^®A1210-A1214 Hall-effect latches are next generation replacements

for the popular Allegro 317x and 318x lines of latching switches. The A121x

family, produced with BiCMOS technology, consists of devices that feature fast

power-on time and low-noise operation. Device programming is performed after

packaging, to ensure increased switchpoint accuracy by eliminating offsets that

Package LH, 3-pin Surface Mount

can be induced by package stress. Unique Hall element geometries and low-offset

amplifiers help to minimize noise and to reduce the residual offset voltage nor-

mally caused by device overmolding, temperature excursions, and thermal stress.

The A1210-A1214 Hall-effect latches include the following on a single silicon

chip: voltage regulator, Hall-voltage generator, small-signal amplifier, Schmitt

trigger, and NMOS output transistor. The integrated voltage regulator permits

operation from 3.8 to 24 V. The extensive on-board protection circuitry makes

possible a ±30 V absolute maximum voltage rating for superior protection in

automotive and industrial motor commutation applications, without adding

external components. All devices in the family are identical except for magnetic

switchpoint levels.

The small geometries of the BiCMOS process allow these devices to be pro-

vided in ultrasmall packages. The package styles available provide magnetically

optimized solutions for most applications. Package LH is an SOT23W, a miniature

low-profile surface-mount package, while package UA is a three-lead ultramini

SIP for through-hole mounting. Each package is lead (Pb) free, with 100% matte

tin plated leadframes.

Package UA, 3-pin SIP

Features and Benefits

ꢀContinuous-time operation

– Fast power-on time

– Low noise

ꢀStable operation over full operating temperature range

ꢀReverse battery protection

ꢀSolid-state reliability

ABSOLUTE MAXIMUM RATINGS

ꢀFactory-programmed at end-of-line for optimum performance

ꢀRobust EMC performance

ꢀHigh ESD rating

Supply Voltage, V_CC..........................................30 V

Reverse-Supply Voltage, V_RCC........................–30 V

Output Off Voltage, V_OUT..................................30 V

Reverse-Output Voltage, V_ROUT.....................–0.5 V

Output Current, I_OUTSINK............................... 25 mA

Magnetic Flux Density, B .........................Unlimited

Operating Temperature

ꢀRegulator stability without a bypass capacitor

Ambient, T_A, Range E..................–40ºC to 85ºC

Ambient, T_A, Range L................–40ºC to 150ºC

Maximum Junction, T_J(max)........................165ºC

Storage Temperature, T_S..................–65ºC to 170ºC

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

A1210-DS

12 3 4 5 6 7...12

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与A1212相关器件

型号	品牌	获取价格	描述	数据表
A1212_1	TE	获取价格	Cascadable Amplifier 100 to 1200 MHz
A1212D-1W	MORNSUN	获取价格	DUAL/SINGLE OUTPUT DC-DC CONVERTER
A1212D-2W	MORNSUN	获取价格	DUAL/SINGLE OUTPUT DC-DC CONVERTER
A1212D-W25	MORNSUN	获取价格	DUAL/SINGLE OUTPUT DC-DC CONVERTER
A1212ELHLT-T	ALLEGRO	获取价格	Continuous-Time Latch Family
A1212EUA-T	ALLEGRO	获取价格	Continuous-Time Latch Family
A1212GD1U	SENSITRON	获取价格	DC-DC Unregulated Power Supply Module, 2 Output, 1W, Hybrid, DIP-24/14
A1212GD1U-G	SENSITRON	获取价格	DC-DC Unregulated Power Supply Module, 2 Output, 1W, Hybrid, DIP-24/14
A1212GD2U-G	SENSITRON	获取价格	DC-DC Unregulated Power Supply Module, 2 Output, 2W, Hybrid, DIP-24/14
A1212HD1U	SENSITRON	获取价格	DC-DC Unregulated Power Supply Module, 1 Output, 1W, Hybrid, DIP-24/14

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