18 March 2023

CISSOID & Silicon Mobility expand their partnership to deliver a complete SiC Inverter Reference Design

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Quad Operational Amplifier (225C)

The CHT-OPA is a general-purpose quad operational amplifier for applications over the temperature range from -55 to 225°C. The CHT-OPA can operate with both single and symmetrical power supplies. The supply voltages range goes from 4.5 to 20V.

Typical performances

  • Temperature range: -55°C to 225°C
  • Power supply: 4.5 to 20V
  • Gain: 87dB @225°C
  • Gain Bandwidth Product: 1.5MHz
  • Power consumption (4 amplifiers): 2.2mA @225°C
  • Max Output current: 15mA @25°C
  • Typical offset: 2.5mV



  • Well logging, Automotive, Aeronautics & Aerospace
  • Harsh Environments

If you need support for your high temperature design, contact Cissoid.

Download CISSOID's Altium Library for IC symbols and package footprints. For installation, read the related Application Note.


Die Map

Supporting its customers in the manufacturing of high temperature and high reliability hybrid modules, CISSOID delivers most of its CHT products as bare die. Please, do not hesitate to contact CISSOID to request die map information including die dimension, die finish, location and description of the bonding pads.


Ordering information

Product name Ordering reference Package Marking Status
TURQUOISE CHT-OPA-CDIL14-T Ceramic DIL14 CHT-OPA Not for new designs
TURQUOISE CHT-OPA-D-T Known Good Die - Active