In space applications, reliability, precision, and resilience to harsh environments are paramount.
Renesas offers a range of radiation-hardened analog-to-digital converters (ADCs) and a passive-input digital isolator, engineered for demanding aerospace and satellite systems.
ISL73141SEH: Rad-Hard 14-Bit 1MSPS SAR ADC
A 14-bit, 1MSPS SAR ADC delivering 82.1dB SNR at only 60mW power consumption.
Features:
- Throughput: 1MSPS, zero data latency
- Linearity: ±0.2 LSB DNL, ±0.5 LSB INL
- Low Noise: 82.1dB SNR
- Power Efficiency: 60mW active, <50μW in power-down
- Supply Options: 3.3V or 5V AVCC, 2.2V–3.6V digital I/O
- Radiation Hardness: 75krad(Si) TID, SEE robustness (LET = 86 MeV·cm²/mg)
- Temp Range: –55°C to +125°C
Applications:
- Satellite payloads
- Telemetry & propulsion systems
- Orbit & attitude control
- Industrial & down-hole systems
ISL73148SEH: 8-Channel 14-Bit 900/480ksps SAR ADC
An 8-channel ADC with integrated PGA and 83dBFS SNR.
Features:
- Throughput: 900kSPS (no PGA), 480kSPS (with PGA)
- Linearity: ±0.5 LSB DNL, ±1.5 LSB INL
- PGA Gain: Steps from 1 to 16
- Low Power: 90mW active, 115μW in power-down
- Radiation Hardness: 75krad(Si) TID, SEE (LET = 86 MeV·cm²/mg)
- Temp Range: –55°C to +125°C
Applications:
- Satellite propulsion & payload
- Attitude control
- Industrial and down-hole drilling systems
ISL73148SEH: 8-Channel 14-Bit 900/480ksps SAR ADC
An advanced 8-channel ADC with radiation-tolerant plastic packaging for cost-sensitive space-grade designs.
Features:
- Throughput: 900kSPS (no PGA), 480kSPS (with PGA)
- Integrated PGA: Gains 1–16
- Noise: 83.2dBFS (PGA bypassed), 77dBFS (PGA gain 2)
- Radiation Tolerance: 50krad(Si) TID, LET = 46 MeV·cm²/mg
- Plastic Packaging
- Temp Range: –55°C to +125°C
Applications:
- Signal processing in propulsion systems
- Industrial systems
- Engine control & drilling
ISL71610SLHM: Radiation Hardened Passive-Input Digital Isolator
A high-speed digital isolator based on GMR technology with plastic packaging for space reliability.
Features:
- Isolation: 2.5kVRMS (1 min), 600VRMS continuous
- Speed: Up to 100 Mbps
- Radiation Hardness: 75krad(Si) TID, LET = 86 MeV·cm²/mg
- Plastic Packaging
- Power Supply: 3V–5.5V
- Temp Range: –55°C to +125°C
Applications:
- Isolated power & differential lines
- CAN, SPI, RS-485/422/232 interfaces
- Optocoupler replacement in aerospace systems
Renesas ADCs and digital isolators meet the most demanding space and high-reliability system requirements with:
- High precision
- Radiation hardness
- Low power
- Plastic package innovation
Explore the full lineup of Renesas radiation-hardened components for your next mission-critical project:
