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RadHard-by-Design Analog
RHD5963
2.00 Volt Precision Reference and Buffered Thermometer
Released Datasheet
Cobham.com/HiRel
March 29, 2016
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FEATURES
 Operating voltage range: 3 volts to 6 volts.
 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
 2.00V Precision Voltage Reference
 Buffered Thermometer
 Sleep Mode (EN = 0) disables all bias generators
 Power at 5 volts < 7.5 mW
 Full military temperature range
 Designed for aerospace and high reliability space applications
 Packaging – Hermetic Ceramic
 Hermetic Surface Mount Power
 5 Pads, .545"L x .296"W x .120"Ht
 Weight - 2.0 gm max
 Radiation Hardness Assurance Plan: DLA Certified to MIL-PRF-38534, Appendix G.
GENERAL DESCRIPTION
The RHD5963 is a radiation hardened, single supply, Voltage Reference and Buffered Thermometer in
5-pad Power SMD Packages. The RHD5963 design uses specific circuit topology and layout methods to
mitigate total ionizing dose effects and single event latchup. These characteristics make the RHD5963
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
RHD5963 is ideal for demanding military and space applications.
The RHD5963 integrated circuit die is mounted directly to the metal signal pad providing optimum thermal
conduction to the printed circuit board bond sites.
The RHD5963 has an external enable signal (EN) which, when set low, enables a "Sleep Mode" that disables
all internal bias generators and sets both the Thermometer & Reference outputs to an OFF state resulting in
a reduced current consumption to below 600 nA.
SCD5963
Rev C
1
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TABLE 1: ABSOLUTE MAXIMUM RATINGS
Parameter
Limit
Units
Case Operating Temperature Range
-55 to +125
°C
Storage Temperature Range
-65 to +150
°C
Junction Temperature
+150
°C
Input Voltage
VIN - GND
+7.0
V
VIN +0.4, GND -0.4
V
Lead Temperature (soldering, 10 seconds)
300
°C
Thermal Resistance, Junction to Case,jc
0.94
°C/W
Enable (EN)
NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress rating only;
functional operation beyond the “Operation Conditions” is not recommended and extended exposure beyond the “Operation Conditions” may affect
device reliability.
TABLE 2: RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Limit
Units
+VIN
Input Supply Voltage
3.0 to 6.0
V
VIH
Enable High - (Output Enabled)
70% VIN
V
VIL
Enable Low - (Output Disabled)
30% VIN
V
TABLE 3: ELECTRICAL PERFORMANCE CHARACTERISTICS
(TC = -55°C TO +125°C, +VIN = +5.0V, unless stated otherwise)
Parameter
Quiescent Supply Current 1/
Reference Output Voltage
Symbol
IINQ
VREF
Conditions
Min
Typ
Max
Units
EN = 1, No Load
-
1
1.5
mA
EN = 0
-
-
600
nA
No Load
1.96
2
2.04
No Load 2/
1.96
-
2.06
1.96
-
2.08
No Load 4/
1.96
-
2.10
No Load 1/
1.96
-
2.15
No Load 3/
+25°C
V
Reference Temperature Co 5/
REF TC
-
25
35
ppm/°C
Reference Change with
Temperature 6/
REFT
-
0.45
0.63
%
Long Term Stability 7/
VREF/TIME
-
-
100
ppm
-
-
0.2
%/mA
45
-
-
dB
Reference Load Regulation 1/
REFIL
IOUT = 0 -to- 1 mA
Power Supply Rejection Ratio
1/
VREFPSRR
Vin = 3.0V to 5.0V
SCD5963
Rev C 3/29/2016
2
+25°C
+125°C
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TABLE 3: ELECTRICAL PERFORMANCE CHARACTERISTICS (Continued)
(TC = -55°C TO +125°C, +VIN = +5.0V, unless stated otherwise)
Parameter
Thermometer Output Voltage
Symbol
VTHERM
Conditions
Min
Typ
Max
No Load
0.80
1.0
1.20
No Load 2/
0.80
-
1.30
0.80
-
1.35
No Load 4/
0.80
-
1.40
No Load 1/
0.80
-
1.50
7
10
11
mV/°C
40
-
-
dB
-
-
75
Ω
No Load 3/
+25°C
Thermometer Temperature
Coefficient
THERMTC
Power Supply Rejection Ratio
1/
VTHERMPSRR
Vin = 3.0V to 5.0V
Thermometer Output
Impedance 1/
THERMROUT
IOUT = 0 -to- 1 mA
+25°C
+125°C
Units
V
Enable High Level Input Voltage
VIH
3.5
-
-
V
Enable Low Level Input Voltage
VIL
-
-
1.5
V
+25°C
-5
-
5
nA
+125°C
-50
-
50
nA
Enable Leakage Current
IIH, IIL
Reference
Short Circuit Current 8/
Io(sink)
REF to VCC
-25
-50
-75
mA
Io(source)
REF to GND
25
50
75
mA
Io(sink)
THERM to VCC
-25
-50
-75
mA
Io(source)
THERM to GND
25
50
75
mA
-
-
5
us
-
-
1
us
-
-
30
us
Thermometer
Short Circuit Current 8/
Switching Characteristics
VREF
Output Delay (Enabled)
TONEN
VTHERM
TONEN
VREF
Output Delay (Disabled)
TOFFEN
VTHERM
TOFFEN
Turn on Time 8/
TON
No Load, 50% points
No Load, 50% points
+25°C
+125°C
No Load, 50% points
No Load, 50% points
+25°C
+125°C
0.1% Settling, No Load
Notes:
1/ Specification derated to reflect Total Dose exposure to 1 Mrad(Si) to method 1019, condition A of MIL-STD-883 @ +25°C.
2/ Specification derated to reflect Total Dose exposure to 100 krad(Si) @ +25°C.
3/ Specification derated to reflect Total Dose exposure to 300 krad(Si) @ +25°C.
4/ Specification derated to reflect Total Dose exposure to 500 krad(Si) @ +25°C.
5/ Reference temperature coefficient is defined as the absolute value of the difference from the maximum and minimum voltage over the specified
temperature range, divided by the change in temperature and converted into ppm/°C.
6/ Reference change with temperature is defined as the absolute value of the difference from the maximum and minimum voltage over the specified
temperature range represented as a percentage.
7/ Not tested. Shall be guaranteed to specified limits after 1000hr life test
8/ Not tested. Shall be guaranteed by design, characterization, or correlation to other test parameters.
SCD5963
Rev C 3/29/2016
3
Cobham Semiconductor Solutions
www.cobham.com/HiRel
FIGURE 1– VREF OUTPUT vs TEMPERATURE
FIGURE 2– VTHERM OUTPUT vs TEMPERATURE
SCD5963
Rev C 3/29/2016
4
Cobham Semiconductor Solutions
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RHD5963 SIGNAL DEFINITIONS
Pad #
Pin 1
Epoxy Dot
(on side)
Signal
Definition
1
EN
Enable (Hi = outputs ON, Lo = OFF)
2
VIN
Input Voltage
3
VTHERM
Buffered Thermometer
4
VREF
2.00V Precision Voltage Reference
5
GND
Ground
.301
MAX
.095
4 Places
R.025 MAX
6 Places
.030 MIN
4
1
.005
.120
4 Places
.030
MIN
.550
MAX
5
.200
.005
.030
MIN
3
2
.150
4X R.020
.015
3 Places
.127
MAX
.005
.005
.286
NOTE: Package & Lid are electrically isolated from signal pads.
FIGURE 3 – PACKAGE OUTLINE — SURFACE MOUNT : SMD STYLE 5-PAD
SCD5963
Rev C 3/29/2016
5
Cobham Semiconductor Solutions
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ORDERING INFORMATION
Model
DLA SMD #
Screening
RHD5963-7
-
Commercial Flow, +25°C testing only
RHD5963-S
-
Military Temperature, -55°C to +125°C
Screened in accordance with the individual Test Methods
of MIL-STD-883
RHD5963-201-1S
5962-1422103KYC
RHD5963-201-2S
5962-1422103KYA
RHD5963-901-1S
5962H1422103KYC
RHD5963-901-2S
5962H1422103KYA
SCD5963
Rev C 3/29/2016
Package
In accordance with DLA SMD
5-Pad
SMD
Power Pkg
In accordance with DLA Certified RHA Program Plan to
RHA Level "H", 1 Mrad(Si)
6
Cobham Semiconductor Solutions
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REVISION HISTORY
Date
Revision
03/29/2016
C
SCD5963
Rev C 3/29/2016
Change Description
Import into Cobham format
7
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Datasheet Definition
Advanced Datasheet - Product In Development
Preliminary Datasheet - Shipping Prototype
Datasheet - Shipping QML & Reduced Hi-Rel
EXPORT CONTROL:
This product is controlled for export under the Export Administration Regulations (EAR), 15 CFR Parts 730-774.
A license from the Department of Commerce may be required prior to the export of this product from the United States.
Cobham Semiconductor Solutions
35 S. Service Road
Plainview, NY 11803
E: [email protected]
T: 800 645 8862
Aeroflex Plainview Inc., DBA Cobham Semiconductor Solutions, reserves the right to make changes to any products and services described herein
at any time without notice. Consult Aeroflex or an authorized sales representative to verify that the information in this data sheet is current before
using this product. Aeroflex does not assume any responsibility or liability arising out of the application or use of any product or service described
herein, except as expressly agreed to in writing by Aeroflex; nor does the purchase, lease, or use of a product or service from Aeroflex convey a
license under any patent rights, copyrights, trademark rights, or any other of the intellectual rights of Aeroflex or of third parties.
SCD5963
Rev C 3/29/2016
8
Cobham Semiconductor Solutions
www.cobham.com/HiRel