Features
- Reference output voltage: 5.0V ±0.05%
- Accuracy over temperature/radiation: ±0.15%
- Output voltage noise: 4.2μVP-P typical (0.1Hz to 10Hz)
- Supply current: 930μA (typical)
- Temperature coefficient: 10ppm/°C (maximum)
- Output current capability: 20mA
- Line regulation: 20ppm/V (maximum)
- Load regulation: 17ppm/mA (maximum)
- NiPdAu-Ag lead finish (Sn Free)
- Dielectrically isolated PR40 process
- Operating temperature range: -55°C to +125°C
- Passes NASA Low Outgassing Specifications
- TID Radiation Lot Acceptance Testing (RLAT) (LDR: ≤10mrad(Si)/s)
- ISL71010BM30B50Z: 30krad(Si)
- ISL71010BM50B50Z: 50krad(Si)
- SEE Characterization
- No DSEE for VIN = 39V at 43MeV·cm2/mg
- VOUT SET shorter than 160µs and -300mV ≤ ∆VOUT ≤ 500mV at 28MeV·cm2/mg
Description
The ISL71010B50 is an ultra-low noise, high DC accuracy precision voltage reference, with a wide input voltage range from 7.0V to 30V. The ISL71010B50 uses the dielectrically isolated PR40 process to achieve 4.2μVP-P noise at 0.1Hz to 10Hz with an initial voltage accuracy of ±0.05%. The ISL71010B50 offers a 5.0V output voltage with 10ppm/°C temperature coefficient and also provides excellent line and load regulation. The device is offered in an 8 Ld SOIC package. The ISL71010B50 is ideal for high-end instrumentation, data acquisition, and processing applications requiring high DC precision where low noise performance is critical.
Parameters
| Attributes | Value |
|---|---|
| Rating | Space |
| Line Regulation (ppm/V) | 8 |
| Reference Output Voltage (V) | 5 |
| Supply Voltage (min) (V) | 7 - 7 |
| Supply Voltage (max) (V) | 30 - 30 |
| Temp. Range (°C) | -55 to +125°C |
| TID HDR (krad(Si)) | N/A |
| TID LDR (krad(Si)) | 30, 50 |
| DSEE (MeV·cm2/mg) | 43 |
| Flow | RT Plastic |
| Qualification Level | Radiation Tolerant Plastic |
| Die Sale Availability? | No |
| PROTO Availability? | No |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| SOICN | 4.9 x 3.9 x 1.47 | 8 | 1.3 |
Applications
- Low Earth Orbit (LEO)
- High altitude avionics
- Precision instruments
- Data acquisition systems for space applications
- Strain and pressure gauges for space applications
- Active sources for sensors
Renesas Boards & Kits
Ultra-Low Noise, 5V Radiation Tolerant Precision Voltage Reference Evaluation Board
The ISL71010BM50EV1Z evaluation board measures the performance of the high precision 5.0V ISL71010B50 radiation tolerant voltage reference. The reference has a wide input voltage range from 7V to 30V and an initial accuracy of ±0.05%. The voltage noise of 4.2μVP-P in the 0.1Hz to 10Hz range and... Read More
Knowledge Base
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Should the TRIM pin on ISL71010B be left floating or should we add a capacitor?
... the TRIM pin being capacitively loaded to simulate worst case condition. Figure 1. Typical Application Circuit Figure 30. Irradiation Test Circuit Note that for Figure 1, CCOMP and COUT should be applied following the diagram below (also outlined in Figure 4 of the attached app-note). Suitable Products ISL71010B25, ISL71010B50
Feb 20, 2026
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