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Radar System

A high-voltage 10-bit DAC for radar systems that locate mortar, artillery and rocket fire.

ASIC success story

Application

This ASIC was developed in partnership with a leading defense supplier.

The chip goes into radar systems used to locate firing from mortars, artillery, rocket launchers, and missiles.

At a glance

Resolution10-bit

Supply±5V to ±18V

Linearity±½ bit INL

MarketAerospace & Defense

Custom solution from CSS

This ASIC is primarily an industrial grade, 10-bit digital-to-analog converter. It provides an output current that ranges from approximately 0mA to 2mA. It is fabricated in an advanced, high voltage BiCMOS process, allowing operation from ±5V to ±18V.

The output current has excellent linearity over temperature and is guaranteed monotonic. This device includes a matched feedback resistor for voltage applications. A full-scale adjustment and a bipolar offset are also provided.

Die layout of the radar system ASIC
Die layout

Key features

  • Tower-Jazz BCD035
  • Supply voltage range of +/-5V to +/-18V
  • +/- 1/2 bit Integral Linearity (INL)
  • +/- 1/4 bit Differential Linearity (DNL)
  • 10-bit resolution
  • Fully monotonic over -40°C to 85°C

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