Renesas’ ISL71148M is a high-performance, radiation-tolerant 8-channel 14-bit SAR ADC designed for space and industrial applications. It offers exceptional precision, resilience, and flexibility with a radiation-tolerant plastic package for cost-effective reliability.
Key Features
- Differential Analog Inputs: 8 buffered channels, integrated multiplexer
- PGA: Selectable gain from 1 to 16 (bypassable)
- Throughput: 900ksps (no PGA), 480ksps (with PGA), no data latency
- Linearity: ±0.2 LSB DNL, ±0.4 LSB INL
- Noise Performance: 83.2dBFS (PGA bypassed), 77dBFS (gain = 2)
- Power Efficiency: Low-power mode for reduced dissipation
- SPI Interface: Compatible with 2.2V to 3.6V logic
- Radiation Tolerance:
- TID: 30krad(Si) [M30NZ], 50krad(Si) [M50NZ]
- SEE: SEFI < 3.1μm² at LET = 46 MeV·cm²/mg Temperature Range: –55°C to +125°C Input Bandwidth: 50MHz, input Z >1GΩ, <5pF
- Plastic Packaging: Qualified to Renesas Rad Tolerant Screening and QCI Flow (R34TB0004EU)
Applications
- Precision signal processing in space and industrial systems
- Space systems: propulsion, payload, engine control
- Industrial: high-end environments
- Energy: engine control, down-hole drilling
Boards and Kits
ISL71148MNZEV1Z: Evaluation Board
- Tests ISL71148M performance
- Supports AVCC 5V, DVCC 2.5V/3.3V (default 2.5V)
- Configurable input amplifiers and ref voltages
- Works with RHADC-FMCEV1Z board
ISL71148VMREFEV1Z: Voltage Monitor Reference Design
- High-resolution voltage monitoring
- Supports up to 12 power rails
- Used with AMD’s Versal AI Edge SoC
- Compact form factor
- Integrates with ISLVERSALDEMO3Z
Why Choose ISL71148M?
The ISL71148M balances high performance with radiation tolerance for mission-critical designs. Its precision, robustness, and support tools make it ideal for harsh environments.
The plastic package offers cost-effective space-grade deployment, and it’s fully qualified to Renesas’ Rad Tolerant Screening and QCI Flow (R34TB0004EU).
