The purpose of this study is to characterize the single-event effects (SEE) performance due to heavy-ion irradiation of the ADC3683-SP. Heavy-ions with LETEFF (Effective Linear Energy Transfer) of up to 79MeV × cm2/ mg were used to irradiate the device. Tests were run across a range of flux and fluences for the characterization. Flux was between 102 ions / (cm2 × s) and 105 ions / (cm2 × s) and fluence between 105 ions / cm2 and 107 ions / cm2 per run. The results demonstrated that the ADC3683-SP is single event latch-up free at T = 125°C. Single event upsets are characterized at 25°C and no functional interrupts (power-cycle events) were seen up to 79MeV × cm2/ mg. See Section 8 for more details.
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The ADC3683-SP is a low noise, ultra-low power 18- bit 65 MSPS high-speed dual channel ADC. Designed for lowest noise performance, the device delivers a noise spectral density of -160 dBFS/Hz combined with excellent linearity and dynamic range. The ADC3683-SP offers DC precision together with IF sampling support, making the device applicable for a wide range of applications. High-speed control loops benefit from the short latency as low as only one clock cycle. The ADC consumes only 94mW/ch at 65Msps and the power consumption scales well with lower sampling rates.
The device uses a serial LVDS (SLVDS) interface to output the data which minimizes the number of digital interconnects. The device supports two-lane, one-lane and half-lane options. The device is a pin-to-pin compatible with the 14-bit, 125MSPS ADC3664- SP. The ADC3683-SP comes in a 64-pin HBP CFP package (10.9mm × 10.9mm) and supports a temperature range from -55 to +105°C.
| Description (1) | Device Information |
|---|---|
| Generic Part Number | ADC3683-SP |
| Orderable Part Number | 5962F2320401VXC |
| Device Function | Low-Noise Dual 18-Bit 65MSPS ADC |
| Device Package | 64-pin HBP CFP (10.9mm × 10.9mm) |
| Technology | TI C021 65nm CMOS |
| Exposure Facility | Radiation Effects Facility Cyclotron Institute, Texas A&M University (15MeV / Nucleon) |
| Heavy Ion Fluence per run | Up to 1 × 107 ions/cm2 |
| Irradiation Temperature | 25°C (for SET testing) and 125°C (for SEL testing) |