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Número de pieza | RHD5905 | |
Descripción | Quad Operational Amplifier | |
Fabricantes | Aeroflex Circuit Technology | |
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RHD5905 Quad Operational Amplifier
Instrumentation Differential Amplifier
with Enable
www.aeroflex.com/RHDseries
September 22, 2012
FEATURES
❑ Single power supply operation (3.3V to 5.0V) or dual power supply operation (±1.65 to ±2.5V)
❑ Radiation performance
- Total dose:
>1Mrad(Si); Dose rate = 50 - 300 rads(Si)/s
- ELDRS Immune
- SEL Immune
- Neutron Displacement Damage
>100 MeV-cm2/mg
>1014 neutrons/cm2
❑ Differential Outputs
❑ Rail-to-Rail input and output range
❑ Enable pin to Enable/Disable amplifiers in pairs.
❑ Short Circuit Tolerant
❑ Full military temperature range
❑ Designed for aerospace and high reliability space applications
❑ Packaging – Hermetic ceramic SOIC
- 20-pin, 0.30"W x 0.50" L x 0.12"Ht SOIC
- Typical Weight 1.6 grams
GENERAL DESCRIPTION
Aeroflex’s RHD5905 is a radiation hardened, single supply, differential, instrumentation, quad operational
amplifier with enable in a 20-pin SOIC package. The RHD5905 design uses specific circuit topology and
layout methods to mitigate total ionizing dose effects and single event latchup. These characteristics make
the RHD5905 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 RHD5905 is ideal for demanding military and space applications.
ORGANIZATION AND APPLICATION
The RHD5905 amplifiers are capable of rail-to-rail input and outputs. Performance characteristics listed
are for general purpose operational 5V CMOS amplifier applications. The amplifiers will drive substantial
resistive or capacitive loads and are unity gain stable under normal conditions. Resistive loads in the low
kohm range can be handled without gain derating and capacitive loads of several nF can be tolerated.
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 to above 100 MeV-cm2/mg. Total dose degradation is minimal
to above 1Mrad(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 dependant.
The RHD5905 is configured with enable/disable control. Pairs of amplifiers are put in a power-down
condition with their outputs in a high impedance state. Several useful operational amplifier configurations
are supported where more than one amplifier can feed an output with others disabled.
SCD5905 Rev A
1 page RHD5905 QUAD OPERATIONAL AMPLIFIER APPLICATION NOTES
APPLICATION NOTE 1: DUAL POWER SUPPLY AMPLIFIER
Inverting Amplifier
VOUT=
–V
I N
RR-----21-
R1 R2
VIN
EN
+2.5V
-2.5V
VOUT
Non Inverting Amplifier
VOUT=
EN
VIN1 + RR-----21-
+2.5V
VIN
VOUT
-2.5V
R2
R1
APPLICATION NOTE 2: SINGLE POWER SUPPLY AMPLIFIER
Inverting Amplifier
VOUT= –VINRR-----21-
R2
Non Inverting Amplifier
VOUT=
V
IN
1
+
RR-----21-
+5V
VIN
+5V
EN
R1 +5V
R3 Vbias
VOUT
R3 EN
+5V
VIN
Vbias
R4
VOUT
R2
R4
R1
Note: For VOUT DC @ mid range of common mode voltage range, VBIAS = 2.5/(1+R2/R1), VBIAS = +5*R4/(R3+R4)
SCD5905 Rev A 9/22/12
5
Aeroflex Plainview
5 Page |
Páginas | Total 7 Páginas | |
PDF Descargar | [ Datasheet RHD5905.PDF ] |
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