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LM75BD

SENSOR DIGITAL -55C-125C 8SO

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Produktdetails finden Sie in den Produktspezifikationen.

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LM75BD

SENSOR DIGITAL -55C-125C 8SO

Bei Bestellungen über 200 $ besteht Anspruch auf ein Geschenk im chinesischen Stil in limitierter Auflage.

Bei Bestellungen über 200 $ besteht Anspruch auf ein Geschenk im chinesischen Stil in limitierter Auflage.

Bei Bestellungen über 1.000 US-Dollar entfällt die Versandkostenpauschale in Höhe von 30 US-Dollar.

Bei Bestellungen über 5.000 US-Dollar entfallen die Versand- und Transaktionsgebühren.

Diese Angebote gelten sowohl für Neu- als auch für Bestandskunden und sind vom 1. Januar 2024 bis 31. Dezember 2024 gültig.

  • Hersteller:

    NXP

  • Datenblatt:

    LM75BD datasheet

  • Paket/Koffer:

    TSSOP-8

  • Produktkategorie:

    IC-Chips

  • RoHS Status: RoHS-Status Lead free/RoHS Compliant

Senden Sie jetzt Ihre Angebotsanfrage und wir erwarten, dass wir Ihnen innerhalb von 24 Stunden ein Angebot unterbreiten Juli 24, 2024. Geben Sie jetzt Ihre Bestellung auf und wir gehen davon aus, dass die Transaktion innerhalb dieser Frist abgeschlossen wird Juli 29, 2024. Ps: Die Zeit entspricht GMT+8:00.

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Aktie:15000 PCS

Unser Anspruch ist es, innerhalb von 12 Stunden zeitnahe Angebote zu liefern. Für weitere Unterstützung kontaktieren Sie uns bitte unter sales@censtry.com.

LM75BD Produktdetails

General description

The LM75B is a temperature-to-digital converter using an on-chip band gap temperature sensor and Sigma-Delta A-to-D conversion technique with an overtemperature detection output. The LM75B contains a number of data registers: Configuration register (Conf) to store the device settings such as device operation mode, OS operation mode, OS polarity and OS fault queue as described in Section 7 “Functional description”; temperature register (Temp) to store the digital temp reading, and set-point registers (Tos and Thyst) to store programmable overtemperature shutdown and hysteresis limits, that can be communicated by a controller via the 2-wire serial I2C-bus interface. The device also includes an open-drain output (OS) which becomes active when the temperature exceeds the programmed limits. There are three selectable logic address pins so that eight devices can be connected on the same bus without address conflict.


The LM75B can be configured for different operation conditions. It can be set in normal mode to periodically monitor the ambient temperature, or in shutdown mode to minimize power consumption. The OS output operates in either of two selectable modes: OS comparator mode or OS interrupt mode. Its active state can be selected as either HIGH or LOW. The fault queue that defines the number of consecutive faults in order to activate the OS output is programmable as well as the set-point limits. The temperature register always stores an 11-bit 2's complement data giving a temperature resolution of 0.125 °C. This high temperature resolution is particularly useful in applications of measuring precisely the thermal drift or runaway. When the LM75B is accessed the conversion in process is not interrupted (i.e., the I2C-bus section is totally independent of the Sigma-Delta converter section) and accessing the LM75B continuously without waiting at least one conversion time between communications will not prevent the device from updating the Temp register with a new conversion result. The new conversion result will be available immediately after the Temp register is updated.


The LM75B powers up in the normal operation mode with the OS in comparator mode, temperature threshold of 80 °C and hysteresis of 75 °C, so that it can be used as a stand-alone thermostat with those pre-defined temperature set points.


Features

■ Pin-for-pin replacement for industry standard LM75 and LM75A and offers improved temperature resolution of 0.125 °C and specification of a single part over power supply range from 2.8 V to 5.5 V

■ I 2C-bus interface with up to 8 devices on the same bus

■ Power supply range from 2.8 V to 5.5 V

■ Temperatures range from −55 °C to +125 °C Frequency range 20 Hz to 400 kHz with bus fault time-out to prevent hanging up the bus

■ 11-bit ADC that offers a temperature resolution of 0.125 °C

■ Temperature accuracy of:

◆ ±2 °C from −25 °C to +100 °C

◆ ±3 °C from −55 °C to +125 °C

■ Programmable temperature threshold and hysteresis set points

■ Supply current of 1.0 µA in shutdown mode for power conservation

■ Stand-alone operation as thermostat at power-up

■ ESD protection exceeds 4500 V HBM per JESD22-A114, 450 V MM per JESD22-A115 and 2000 V CDM per JESD22-C101

■ Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA

■ Small 8-pin package types: SO8, TSSOP8 and 3 mm × 2 mm XSON8U


Applications

■ System thermal management

■ Personal computers

■ Electronics equipment

■ Industrial controllers


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