Triple Op-Amp with Voltage Reference operates from -55 to +225°C.

Press Release Summary:

Supplied in SMT hermetically sealed ceramic SOIC16 package, RUBY features 5 V voltage reference that provides initial accuracy of ±2% and high stability with temperature (< 500ìV/°C). Integrated op-amps are configurable as instrumentation amp with external resistors, while 5 V voltage reference can provide up to 25 mA for complete bridge excitation in sensor applications. Operating from 6-20 V supply and consuming of 600 µA each at 225°C, op-amps provide stable gain-bandwidth product.

Original Press Release:

CISSOID launches High-Temperature Combo Triple Op-Amp & Voltage Reference for Instrumentation Amplifier & Sensor Applications

Mont-Saint-Guibert, Belgium. CISSOID, the leader in high-temperature semiconductor solutions introduces RUBY, a new triple operational amplifier with a built-in voltage reference for reliable operation from -55°C to +225°C. The three operational amplifiers can easily be configured as an instrumentation amplifier with external resistors, while the 5V voltage reference can provide up to 25mA for complete bridge excitation in high temperature sensor applications.

CHT-RUBY is available in a small footprint, surface-mount hermetically sealed ceramic SOIC16 package, providing designers with a fully flexible and compact solution for their sensor interface modules.

The operational amplifiers can operate with a supply voltage range from 6V to 20V and with a low-current consumption of 600µA per amplifier at 225°C. They provide a stable gain-bandwidth product (GBW) over the whole temperature range, which translate into a more stable bandwidth and linearity with temperature, facilitating Op-amp based designs for wide temperature ranges applications. The 5V voltage reference provides initial accuracy of ±2% and high stability with temperature (< 500ìV/°C).

CHT-RUBY belongs to CISSOID's GEMSTONE family of high-temperature operational amplifiers and sensor interface products. Together with AMAZON ultra-low-power 10-bit Analog-to-Digital converter, it demonstrates the company's continued commitment to providing designers with reliable solutions for sensor interface applications.

CHT- RUBY is available now for sampling and evaluation. Pricing starts at $219.4/unit up to 200 units. For more information, visit or contact the company's representatives at

About Cissoid -

CISSOID is the leader in high temperature semiconductor solutions, delivering standard products and custom solutions for power management, power conversion and signal conditioning in extreme temperature and harsh environments. CISSOID provides high reliability products guaranteed from -55°C to +225°C and commonly used outside that range, from cryogenic lows to upper extremes.

Whether the ambient temperature is low but the power dissipation heats up the chips, or in high temperature environments, CISSOID products enable energy, weight and cost savings in lighter, cooling-free and more compact electronic systems. They are used in mission-critical systems as well as in applications requiring long term reliability. CISSOID supplies leaders in the Oil&Gas, Aeronautics, Industrial and Automotive markets.

Press Contact:
Laurent Demeus
e-mail :
Tel. : +32 10 48 92 10

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