Digital-to-Analog Converter
RadHard-by-Design Analog
RHD5930
Digital-to-Analog Converter, 11-Bit, Ladder Output Released Datasheet Cobham.com/HiRel
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Description
RadHard-by-Design Analog
RHD5930
Digital-to-Analog Converter, 11-Bit, Ladder Output Released Datasheet Cobham.com/HiRel
March 28, 2016
The most important thing we build is trust
FEATURES
Radiation performance - Total dose: - ELDRS Immune - SEL Immune: - Neutron Displacement Damage:
>1 Mrad(Si), Dose rate = 50-300 rad(Si)/s >100 MeV-cm2/mg >1014 neutrons/cm2
11-Bit DAC
Single power supply operation at +3.3V to +5V Low Power Full 4-quadrant multiplying DAC CMOS/TTL inputs
Full military temperature range
Designed for aerospace and high reliability space applications
Packaging – Hermetic ceramic SOIC
- 16 leads, 0.417"L x 0.300"W x 0.120"Ht - Typical Weight 0.8 grams
Radiation Hardness Assurance Plan: DLA Certified to MIL-PRF-38534, Appendix G.
GENERAL DESCRIPTION
The 11-Bit DAC is a standard CMOS R/2R Kelvin resistor network. The digital inputs, D10(MSB) through D00(LSB), are buffered to drive single-pole double-throw CMOS switches to apply either the PREF or NREF signals to the 2R legs of the resistor network. The output is unbuffered.
PREF and NREF inputs can be any static or dynamic voltage within the power supply range. The nominal values or R and 2R are 5K and 10K respectively. The characteristic impedance of the resistor network is approximately 5K.
The voltage-output configuration of the integrated circuit can be thought of as a digitally controlled voltage with a value of PREF-NREF and an output impedance of approximately 5K. The output will...
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