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Automotive Grade Linear ICs target 3.3 V supply rail applications.

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Automotive Grade Linear ICs target 3.3 V supply rail applications.
Automotive Grade Linear ICs target 3.3 V supply rail applications.
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May 17, 2013 - Offered in LH (SOT-23W) SMT package, A1318 and A1319 are factory one-time programmable (OTP-ROM) linear ICs that can support respective magnetic input sensitivity ranges of 1.32–2.64 mV/G and 2.64–5.94 mV/G. Initial releases are factory programmed to specific magnetic input sensitivity levels: A1318LLHLX-1-T (1.35 mV/G), A1318LLHLX-2-T (2.5 mV/G); and A1319LLHLX-5-T (5.0 mV/G). Supporting 20 KHz refresh rate, products can serve automotive, industrial, and consumer markets.

Allegro MicroSystems, LLC Introduces Automotive Grade, 3.3 V Supply Voltage, Factory-Programmable Linear ICs

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Allegro MicroSystems Inc.
115 N.E. Cutoff, P.O. Box 15036
Worcester, MA, 01615

Press release date: May 7, 2013

ICs Provide a Low Noise, Temperature Stable Analog Output for High Bandwidth Applications

Worcester, MA – Allegro MicroSystems, LLC introduces two new factory one-time programmable (OTP-ROM) linears which eliminate the need for customers to optimize/program the devices for their finished sensor assemblies. Allegro’s A1318 and A1319 devices are targeted towards 3.3 V supply rail applications. These new devices architecturally have the ability to support a magnetic input sensitivity range of 1.32 to 2.64 mV/G, and 2.64 to 5.94 mV/G, respectively. However, the A1318/19 devices initially being released to market are factory programmed to specific magnetic input sensitivity levels. Initially released device types include:
• A1318LLHLX-1-T with 1.35 mV/G sensitivity
• A1318LLHLX-2-T with 2.5 mV/G sensitivity
• A1319LLHLX-5-T with 5.0 mV/G sensitivity

The temperature coefficients for both sensitivity and the quiescent voltage output (QVO) are programmed over temperature at Allegro to maximize accuracy and minimize distribution tolerances. The A1318 and A1319 provide low output noise (13 mV (p-p) @ 5.0 mV/G sensitivity for the A1319) and improved EMI susceptibility at various frequencies. They also support a fast refresh rate of 20 KHz for high bandwidth applications.

The A1318 and A1319 are targeted at the automotive, industrial and consumer markets and are currently being offered in a small LH (SOT-23W) surface mount package.

Pricing for 1,000 pieces is as follows:
A1318LLHLX-1-T        $1.06
A1318LLHLT-1-T        $1.08
A1318LLHLX-2-T        $1.06
A1318LLHLT-2-T        $1.08
A1319LLHLX-5-T        $1.06
A1319LLHLT-5-T        $1.08

Allegro MicroSystems, LLC is a leader in developing, manufacturing and marketing high-performance semiconductors. Allegro's innovative solutions serve high-growth applications within the automotive market, with additional focus on office automation, industrial, and consumer/communications solutions. Allegro is headquartered in Worcester, Massachusetts (USA) with design, applications, and sales support centers located worldwide. Further information about Allegro can be found at
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