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ISL71590SEH Datasheet

2-Terminal Temperature Transducer

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DATASHEET
ISL71590SEH, ISL73590SEH
Radiation Hardened, 2-Terminal Temperature Transducer
FN8376
Rev.3.00
Sep 14, 2018
The ISL71590SEH and ISL73590SEH are temperature-to-current
transducers possessing two terminals. They have a high
impedance current output that allows them to be insensitive to
voltage drops across long lines. When provided a differential
voltage between 4V and 33V, the devices act as constant current
regulators that generate a current equal to 1µA/Kelvin (K).
These devices are specified across the -55°C to +125°C
temperature range and with ±1.7°C accuracy without the
need of additional circuitry, and also capable of operating up
to +150°C. With power requirements as low as 1.5mW (5V at
+25°C), they are an ideal choice for remote sensing
applications as any well-insulated twisted pair cable will allow
for proper operation. They can be used in several additional
applications including temperature compensation networks,
flow rate analysis, anemometry, and biasing proportional to
absolute temperature.
The high output impedance (>10MΩ) leaves plenty of room for
variations in the power supply voltage. The ISL7x590SEH is
electrically durable as it can withstand a forward operating
voltage of 33V over the full temperature range both under and
without ion beam radiation and a reverse voltage of -40V.
The ISL71590SEH and ISL73590SEH are available in 2 Ld
flatpacks and die forms. All material applies to both parts
except for TID assurance test levels.
Applications
• RF power amplifier bias compensation
• LCD bias compensation
• Laser diode bias compensation
• Sensor bias and linearization
• Data acquisition systems
Features
• 50krad(Si) low dose rate (ELDRS) shift. . . . . . . . . . . . . .< 1°C
• Linear output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1µA/K
• Wide power supply input range (V+ to V-) . . . . . . . . 4V to 33V
• Low power consumption . . . . . . . . . . . . . . . . . . . 1.5mW at 5V
• High output impedance provides excellent rejection to
variations in the supply line
• Additional linearization circuitry is not needed for operation
• Operating temperature range. . . . . . . . . . . . -55°C to +150°C
• QML qualified per MIL-PRF-38535 requirements
• Radiation environment
- SEL/SEB LETTH . . . . . . . . . . . . . . . . . . . . 86.4MeV•cm2/mg
- Total dose, high dose rate . . . . . . . . . . . . . . . . 300krad(Si)*
- Total dose, low dose rate . . . . . . . . . . . . . . . . . . 50krad(Si)
*Applies to the ISL71590SEH only.
• Electrically screened to SMD# 5962-13215
Related Literature
For a full list of related documents, visit our website
ISL71590SEH and ISL73590SEH product pages
TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS
PART
NUMBER
HIGH DOSE RATE (HDR) LOW DOSE RATE (LDR)
ASSURANCE TEST
ASSURANCE TEST
LEVEL (krad(Si))
LEVEL (krad(Si))
ISL71590SEH
300
50
ISL73590SEH
N/A
50
+
T
-
ISL7x590SEH
+4V to +33V (V+ TO V-)
1kΩ
0.1%
VOUT = 1mV/K
FIGURE 1. TYPICAL APPLICATION
FN8376 Rev.3.00
Sep 14, 2018
0.0
-0.2
-0.4
HDR
-0.6
-0.8 LDR
-1.0
-1.2 0
25 50 100 125 150 200 250 300
TOTAL DOSE (krad(Si))
FIGURE 2. IOUT SHIFT vs LOW/HIGH DOSE RATE RADIATION
Page 1 of 17


Intersil Electronic Components Datasheet

ISL71590SEH Datasheet

2-Terminal Temperature Transducer

No Preview Available !

ISL71590SEH, ISL73590SEH
Ordering Information
ORDERING SMD
NUMBER (Note 2)
PART NUMBER
(Note 1)
HIGH DOSE
RATE (HDR)
krad(Si)
LOW DOSE
RATE (LDR)
krad(Si)
TEMPERATURE
RANGE
PACKAGE
(°C) (RoHS COMPLIANT)
PKG.
DWG. #
5962F1321501VXC
ISL71590SEHVF
300
50
-55 to +125 2 Ld Flatpack
K2.A
5962F1321501V9A
ISL71590SEHVX
300 50 -55 to +125 Die
5962L1321502VXC
ISL73590SEHVF
N/A
50
-55 to +125 2 Ld Flatpack
K2.A
5962L1321502V9A
ISL73590SEHVX
N/A 50 -55 to +125 Die
N/A
ISL71590SEHF/PROTO (Note 3)
N/A
N/A
-55 to +125 2 Ld Flatpack
K2.A
N/A
ISL71590SEHX/SAMPLE (Note 3)
N/A
N/A -55 to +125 Die
N/A ISL71590SEHMF
300
50
-55 to +125 2 Ld Flatpack
K2.A
N/A
ISL71590SEHEV1Z (Note 4)
Evaluation Board
NOTES:
1. These Pb-free Hermetic packaged products employ 100% Au plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb
and Pb-free soldering operations.
2. Specifications for Rad Hard QML devices are controlled by the Defense Logistics Agency Land and Maritime (DLA). The SMD numbers listed must be
used when ordering.
3. The /PROTO and /SAMPLE are not rated or certified for Total Ionizing Dose (TID) or Single Event Effect (SEE) immunity. These parts are intended for
engineering evaluation purposes only. The /PROTO parts meet the electrical limits and conditions across temperature specified in the DLA SMD and
are in the same form and fit as the qualified device. The /SAMPLE parts are capable of meeting the electrical limits and conditions specified in the
DLA SMD at +25°C only. The /SAMPLE parts do not receive 100% screening across temperature to the DLA SMD electrical limits. These part types
do not come with a Certificate of Conformance because they are not DLA qualified devices.
4. Evaluation board uses the /PROTO parts. The /PROTO parts are not rated or certified for Total Ionizing Dose (TID) or Single Event Effect (SEE) immunity.
Pin Configuration
2 LD FLATPACK
TOP VIEW
V+ 1
V- 2
Pin Descriptions
PIN NUMBER
1
2
PIN NAME
V+
V-
EQUIVALENT ESD CIRCUIT
Circuit 1
Circuit 1
DESCRIPTION
Positive voltage lead range 4V to 33V
Negative voltage lead
V+
ESD
CIRCUIT
Circuit 1
+
V- T
-
FN8376 Rev.3.00
Sep 14, 2018
Page 2 of 17


Part Number ISL71590SEH
Description 2-Terminal Temperature Transducer
Maker Intersil
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