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ISL73141SEH from Intersil

The Intersil ISL73141SEH is the industry’s highest performance single-chip 14-Bit, 1-MSPS successive-approximation-register (SAR) analog-to-digital converter (ADC). It delivers best in class dynamic and static performance, including signal-to-noise ratio (SNR), effective number of bits (ENOB), integral non-linearity (INL) and differential non-linearity (DNL). The ADC fully resets after every sample, clearing any errors that result from a single event upset (SEU) due to heavy ion radiation during spaceflight.



The ISL73141SEH is a radiation hardened high precision 14-bit, 1MSPS SAR Analog-to-Digital Converter (ADC) that features SNR of 82.1dBFS and dissipates only 60mW when operating from a 5V supply. With a 3.3V supply, the ISL73141SEH operates at 750KSPS with a power consumption of 28mW.


The product features 1MSPS throughput with no data latency and features excellent linearity and dynamic accuracy. The ISL73141SEH provides a high-speed SPI-compatible serial interface that supports logic ranging from 2.2V to 3.6V using a separate digital I/O supply pin.


The ISL73141SEH provides a separate power-down pin that reduces power dissipation to <50µW. The analog input signal range is determined by an external reference.

The ISL73141SEH operates across the military temperature range from -55 °C to +125 °C and is available in a 14Ld hermetically sealed Ceramic Dual Flat-Pack (CDFP) package.


Key features:

  • 1MSPS throughput rate with no data latency

  • Excellent linearity: ±0.2 LSB DNL, ±0.5 LSB INL

  • No missing codes

  • Low noise: 82.1dB SNR

  • 3.3V or 5V AVCC supply options

  • Separate 2.2V to 3.6V digital I/O supply

  • Low power: 60mW at 1MSPS - AVCC = 5V, DVCC = 2.5V

  • Power-down mode with <50µW power consumption

  • High-speed SPI-compatible serial I/O

  • Full military temperature range operation - TA = -55 °C to +125 °C

  • Radiation acceptance testing - LDR (0.01rad(Si)/s): 75krad(Si)

  • SEE hardness - No SEB/SEL LETTH (AVCC = 6.3V): 86MeV•cm2/mg - No SEFIs at LET 86MeV•cm2/mg

For further details please click here.

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