TMP114 datasheet(13/41 Pages) TI

Part #	TMP114

Description	TMP118 Ultra-small, High-Accuracy, Low-power, Digital Temperature Sensor With SMBus™- and I2C-compatible Interface

PDF	41 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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13 / 41 page

7 Detailed Description

7.1 Overview

The TMP118 is a digital output temperature sensor designed for high-accuracy, space constrained applications

that comes factory calibrated for accuracy. The device features a two-wire, SMBus and I2C compatible interface

with two modes of operation: continuous conversion mode and one-shot conversion mode. The TMP118 also

includes an alert status flag with individual high and low thresholds registers. The device is specified over an

ambient air operating temperature range of –40 °C to 125 °C. Figure 7-1 shows a block diagram of the device.

7.2 Functional Block Diagrams

SCL

GND

SDA

Digital Core

Temperature

sensor circuit

Oscillator

ADC

Internal

thermal

BJT

VDD

Temp_Result

Con gura on

Tlow_Limit

THigh_Limit

Device ID

NIST Data 0

NIST Data 1

NIST Data 2

Interface

Figure 7-1. Internal Block Diagram

www.ti.com

TMP118

SNIS237 – DECEMBER 2024

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TMP114 Datasheet(PDF) 13 Page - Texas Instruments