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PDF RHD5912 Data sheet ( Hoja de datos )
| Número de pieza | RHD5912 | |
| Descripción | Quad Comparator | |
| Fabricantes | Aeroflex Circuit Technology | |
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Hay una vista previa y un enlace de descarga de RHD5912 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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Standard Products
RadHard-by-Design
Datasheet
RHD5912 Quad Comparator
Open Drain Outputs
www.aeroflex.com/RHDseries
December 24, 2013
FEATURES
Single power supply operation at 3.3V or 5.0V
Radiation performance
- Total dose:
- ELDRS Immune
- SEL Immune
- Neutron Displacement Damage
> 1 Mrad(Si); Dose rate = 50 - 300 rads(Si)/s
> 100 MeV-cm2/mg
> 1014 neutrons/cm2
Short Circuit Tolerant
Full military temperature range
Designed for aerospace and high reliability space applications
Packaging – Hermetic ceramic SOIC
- 16-pin, .411"L x .293"W x .105"Ht
- Weight - 0.8 grams max
Aeroflex Plainview’s Radiation Hardness Assurance Plan is DLA Certified to MIL-PRF-38534, Appendix G.
GENERAL DESCRIPTION
Aeroflex’s RHD5912 is a radiation hardened, single supply, quad comparator with open drain outputs in a
16-pin SOIC package. The RHD5912 design uses specific circuit topology and layout methods to mitigate
total ionizing dose effects and single event latchup. These characteristics make the RHD5912 especially
suited for the harsh environment encountered in Deep Space missions. It is guaranteed operational from
-55°C to +125°C. Available screened in accordance with MIL-PRF-38534 Class K, the RHD5912 is ideal
for demanding military and space applications.
ORGANIZATION AND APPLICATION
The RHD5912 quad comparator is intended for operation with dynamic signals on either or both inputs.
Comparison is ’continuous’, that is, the circuit functions as high gain open loop amplifiers with a digital
output. For slow input signals with small input differences the comparators can be expected to respond to
small noise signals at the inputs. Although there is internal hysteresis, feedback hysteresis is the
responsibility of the user to avoid ’chattering’ on system noise.
The comparator will accept signals anywhere in the included power supply range. The circuit delay is
specified for a half-volt single ended or differential input step of either polarity ending in an input polarity
reversal of 10mV. See Switching Diagrams.
CMOS device drive has a negative temperature coefficient and the devices are therefore inherently tolerant
to momentary shorts, although on chip thermal shutdown is not provided. All inputs and outputs are diode
protected
The devices will not latch with SEU events above 100 Mev-cm2/mg. Total dose degradation is minimal to
above 1 Mrad(Si). Displacement damage environments to neutron fluence equivalents in the mid 1014
neutrons per cm2 range are readily tolerated. There is no sensitivity to low-dose rate (ELDRS) effects. SEU
effects are application dependent.
SCD5912 Rev C
1 page  
Threshold Voltage
VTH = VccR-----1--R--+---2--R-----2-
Hysteresis Calculation
HYS = VOR-----2--R--+---2--R-----3-
VCC
R1
VTH
R2
VCC
R4
Open Drain
Pull-up
VO
R3
APPLICATION NOTE 1: HYSTERESIS
SCD5912 Rev C 12/24/13
Note: Package and lid are electrically
isolated from signal pads.
PACKAGE OUTLINE
5
Aeroflex Plainview
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet RHD5912.PDF ] | |
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