8-Channel Discrete-to-Digital Sensing IC with SPI Interface and Individually Configurable Channels

Wednesday, September 03, 2014

Mission Viejo, CA (September 5, 2014) - Holt Integrated Circuits announced today a new discrete-to-digital sensor IC. The HI-8428 has eight programmable sense channels, which may be individually configured as GND/Open or Supply/Open (28V/Open) sensors.

The HI-8428 is compliant with Airbus ABD0100H and has fixed GND/Open thresholds of 4.5V/10.5V respectively. Open/Supply thresholds are fixed at 6.0V/12.0V respectively. In GND/Open mode a 1mA wetting current is sourced from the sense input to prevent dry relay contacts. The digital circuitry operates from a 3.3V supply, with the analog circuitry operating from a 12V to 16.5V supply. 

All sense inputs are internally lightning protected to RTCA/DO160G, Section 22 Level 3 Pin Injection Test Waveform Set A (3 & 4), Set B (3 & 5A) and the latest Set Z (3 & 5B) without the use of any external components. Holt is one of the few component suppliers that tests to the more stringent lightning requirements for new composite body aircrafts.

The HI-8428 is a drop-in replacement for the DEI1282.

“This new product further expands Holt’s extensive discrete-to-digital family” said George Noh, Director of Sales and Marketing at Holt. “Superior lightning tolerance and drop-in compatibility gives our customers an easy choice”.

The device is available in a 16-pin, narrow body SOIC with exposed heat pad. Samples are available upon request.

To request information on Holt’s ARINC 429, CAN, MIL-STD-1553 and other aerospace products, readers should contact Holt at (949) 859-8800, by e-mail at info@holtic.com, or visit the Holt Web site at www.holtic.com.



About Holt Integrated Circuits

Located in Mission Viejo, CA, Holt Integrated Circuits is a major supplier of ICs for avionics and military data bus and display applications. The company’s products are specified by more than 400 manufacturers worldwide and are employed in flight control, navigation, engine management, communications, safety equipment, and in-flight entertainment systems.

Holt’s range of ICs supporting the ARINC 429 standard is the widest in the industry and its MIL-STD-1553 transceivers are recognized as the industry’s smallest, having the lowest power consumption. In addition, Holt MIL-STD-1553 integrated terminals offer the most compact, cost effective solution available, integrating protocol, transceiver and transformers in a single 15x15mm package. Other data bus products include ARINC 717, CAN (ARINC 825), RS-485/422 and analog switches. Select products are available to DSCC SMD specifications. Holt also offers product compliant to the European Union "RoHS Directive 002/95/EC".

Holt Integrated Circuits is ISO 9001:2008 registered and is a STACK certified supplier and recipient of the STACK International 2012 Gold Supplier Award.










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