OPA4H199MDYYTSEP

Instrumentation, Op Amps, Buffer Amps Overview

The OPA4H199-SEP is a radiation-hardened, quad-channel operational amplifier designed for high-voltage space applications. It features rail-to-rail input and output capabilities with a supply voltage range of 2.7 V to 40 V. The device offers low offset voltage (±125 µV), low noise (10.8 nV/√Hz at 1 kHz), and high common-mode rejection (130 dB). Key performance metrics include a gain-bandwidth product of 4.5 MHz, a slew rate of 21 V/µs, and a quiescent current of 560 µA per amplifier. It operates within a temperature range of –55°C to 125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Radiation hardened against single event latch-up and total ionizing dose effects
• Rail-to-rail input and output operation across the full supply range
• MUX-friendly architecture with high differential input voltage tolerance
• Integrated EMI/RFI filtering on input and supply pins

Instrumentation, Op Amps, Buffer Amps Applications

• Low earth orbit space applications
• Space sensor and control telemetry systems
• Satellite electrical power system management
• Flight control systems
• Satellite command and data handling units

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the specific ordering suffix matches the required package configuration and tape/reel specifications. Confirm compliance with radiation hardness assurance requirements for the target mission profile. Ensure the procurement channel provides valid traceability documentation for the semiconductor lot. Validate that the component meets the extended product life cycle commitments necessary for long-term aerospace deployment.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when radiation hardness is mandatory for space environments. Consider the 40-V supply capability for high-voltage signal chains. Evaluate the 560 µA quiescent current against strict power budgets. Verify that the SOT-23 package dimensions fit the available PCB real estate constraints compared to traditional ceramic packages.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to Texas Instruments' radiation-hardened operational amplifier family. It utilizes a specialized plastic SOT-23 package to reduce size while maintaining robustness. The device supports defense, aerospace, and medical applications through a controlled baseline fabrication process. It ensures extended product life cycles and enhanced mold compounds for low outgassing in vacuum conditions.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

OPA4H199: Similar radiation-hardened performance but in a different package configuration.