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TMP461EVM-CVAL Fiches technique(PDF) 1 Page - Texas Instruments |
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TMP461EVM-CVAL Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 5 page 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 6 7 8 9 10 Copyright © 2017, Texas Instruments Incorporated Product Folder Order Now Technical Documents Tools & Software Support & 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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