Renesas’ ISL73141SEH and ISL73148SEH are high-performance, radiation-hardened analog-to-digital converters (ADCs), ideal for mission-critical systems in space and harsh environments, thanks to their precision, reliability, and radiation tolerance.
ISL73141SEH: High-Precision 14-Bit 1MSPS SAR ADC

Key Features:
- Radiation Hardness: 75krad(Si) TID (LDR 0.01rad/s)
- Throughput: 1MSPS with zero data latency
- Linearity: ±0.2 LSB DNL, ±0.5 LSB INL
- Power Efficiency: 60mW (5V) or 28mW (3.3V)
- SPI Interface: High-speed, logic levels 2.2V–3.6V
- Temperature Range: –55°C to +125°C
- Package: 14-lead hermetic Ceramic Dual Flat-Pack (CDFP)
ISL73148SEH: 8-Channel 14-Bit 900/480ksps SAR ADC

Key Features:
- Radiation Hardness: 75krad(Si) TID
- Channels: 8 buffered inputs with integrated multiplexer
- PGA: Programmable gain 1–16
- Linearity: ±0.5 LSB DNL, ±1.5 LSB INL
- Noise: 83dBFS (PGA bypassed), 77dBFS (gain=2)
- Bandwidth: 50MHz (-3dB)
- Low Power Mode: Available
- Temp Range: –55°C to +125°C
- Package: 28-lead hermetic Ceramic Dual Flat-Pack

Applications (for ISL73148SEH)
- Satellite telemetry and propulsion
- Orbit and attitude control
- High-end industrial systems
- Down-hole drilling
Ordering Information
ISL73141SEH
ISL73148SEH
Evaluation Boards
For ISL73141SEH:
- ISL73141SEHFNEV1Z – 14-bit 1MSPS SAR ADC Eval Board (3.3V)
- ISL73141SEHF7EV1Z – Same but for 5V
- ISL73141VMREFEVKIT1Z – Voltage Monitor Eval Kit
- ISL73141TSREFEVKIT1Z – Temperature Sensor Eval Kit
- ISL73141BMREFEVKITxZ – Battery Monitor Eval Kit
For ISL73148SEH:
- ISL73148SEHEV1Z – 14-bit 900/480ksps SAR ADC Eval Board (5V)
Why Choose Renesas Radiation-Hardened ADCs?
Renesas’ radiation-hardened ADCs are built for the most demanding systems:
- Precision and low power
- Military temperature range
- Extensive test documentation
- Evaluation tools & kits
- QML-V level screening
- Designed for space, defense, and industrial systems





