A1102EUA-T 现货2K

A1102EUA-T 现货2K

A1102EUA-T 现货2K

A1101, A1102, A1103, A1104, and A1106
Continuous-Time Switch Family

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
• Factory-programmed at end-of-line for optimum performance
• Robust EMC performance
• High *D rating
• Regulator stability without a b** capacitor

Description

The Allegro® A1101-A1104 and A1106 Hall-effect switches are next generation replacements for the popular Allegro 312x and 314x lines of unipolar switches. The A110x 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 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 normally caused by device overmolding, temperature excursions, and thermal stress.

The A1101-A1104 and A1106 Hall-effect switches include the following on a single silicon chip: voltage regulator, Hall-voltage generator, *all-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 &plu*n;30 V absolute maximum voltage rating for *ior 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 *all geometries of the BiCMOS process allow these devices to be provided in ultra*all 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.

Replacement Device Characteristics Table

Device A110x CharacteristicsBOP BRP HysLegacy Replacement Min Max Min Max Min Max

3141	A1101	30	175	10	145	20	80
3142	A1102	115	245	60	190	30	80
3143	A1103	205	355	150	300	30	80
3144	A1104	35	450	25	430	20	-
3121	A1106	260	430	160	330	70	140

Functional Block Diagram

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