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TMP461EVM-CVAL Fiches technique(PDF) 1 Page - Texas Instruments

No de pièce TMP461EVM-CVAL
Description  Radiation Hardened Remote and Local Digital Temperature Sensor
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TMP461EVM-CVAL Fiches technique(HTML) 1 Page - Texas Instruments

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background image
SCL
V+
D+
D–
GND
A0
SMBus
Controller
Host Processor
A1
Overtemperature
Shutdown
SDA
GND
GND
1.7 V to 3.6 V
1.7 V to 3.6 V
GND
Built-in
Thermal
Transistor
or Diode
FPGA, ADC,
DAC, or ASIC
THERM
ALERT/
THERM2
TMP461-SP
1
2
3
4
5
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7
8
9
10
Copyright © 2017, Texas Instruments Incorporated
Product
Folder
Order
Now
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Documents
Tools &
Software
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Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to
change without notice.
TMP461-SP
SBOS902 – SEPTEMBER 2017
TMP461-SP Radiation Hardened Remote and Local Digital Temperature Sensor
1
1 Features
1
Remote Diode Temperature Sensor Accuracy:
±1.5°C
Local Temperature Sensor Accuracy: ±2°C
Resolution for Local and Remote Channels:
0.0625°C
Supply and Logic Voltage Range: 1.7 V to 3.6 V
35-µA Operating Current (1 SPS),
3-µA Shutdown Current
Series Resistance Cancellation
η-Factor and Offset Correction
Programmable Digital Filter
Diode Fault Detection
Two-Wire and SMBus™ Serial Interface
Compatible with Pin-Programmable Address
QMLV Qualified: 5962L1721801VXC
Thermally Enhanced HKU Package
Radiation Hardness Assured (RHA) up to Total
Ionizing Dose (TID) 50 kRad (Si)
Single Event Latchup (SEL) Immune to 76
MeV.cm2/mg at 125°C
10-Lead HKU Ceramic Package
2 Applications
Spacecraft FPGA, ADC's, DAC's, and ASIC
Temperature Monitoring
Spacecraft Housekeeping and Telemetry
Simplified Block Diagram
3 Description
The TMP461-SP device is a radiation-hardened,
high-accuracy, low-power remote temperature sensor
monitor with a built-in local temperature sensor. The
remote temperature sensors are typically low-cost
discrete NPN or PNP transistors, or substrate thermal
transistors or diodes that are integral parts of
microprocessors,
analog-to-digital
converters
(ADC's),
digital-to-analog
converters
(DAC's),
microcontrollers, or field-programmable gate arrays
(FPGAs). Temperature is represented as a 12-bit
digital code for both local and remote sensors, giving
a resolution of 0.0625°C. The two-wire serial interface
accepts the SMBus communication protocol with up
to nine different pin-programmable addresses.
Advanced
features
such
as
series
resistance
cancellation, programmable nonideality factor (η-
factor),
programmable
offset,
programmable
temperature limits, and a programmable digital filter,
are combined to provide a robust thermal monitoring
solution with improved accuracy and noise immunity.
The TMP461-SP is ideal for multi-location, high-
accuracy temperature measurements in a variety of
distributed telemetry applications. The integrated
local
and
remote
temperature
sensors
simplify
spacecraft housekeeping activities by providing an
easy way of measuring temperature gradients. The
device is specified for operation over a supply voltage
range of 1.7 V to 3.6 V, and a temperature range of
–55°C to 125°C.
Device Information(1)
PART NUMBER
GRADE
PACKAGE
5962L1721801VXC
QMLV RHA
[50 kRad]
10-lead CFP [HKU]
7.02 mm × 6.86 mm
TMP461HKU/EM(2)
Engineering
Samples
10-lead CFP [HKU]
7.02 mm × 6.86 mm
TMP461EVM-CVAL
Ceramic Evaluation
Board
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
(2) These units are intended for engineering evaluation only.
They are processed to a noncompliant flow and are
functionally tested at 25°C only. These units are not suitable
for qualification, production, radiation testing or flight use.
Parts are not warranted for performance over the full MIL
specified temperature range of –55°C to 125°C or operating
life.


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