Datasheet > HDC3020QDEFTQ1

HDC3020QDEFTQ1

更新时间： 2024-11-20 02:52:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
46页	1520K
描述
HDC3020-Q1 Automotive High-Accuracy, Low-Power, Digital Humidity and Temperature Sensor With Ultra-Low Drift

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HDC3020QDEFTQ1 数据手册

HDC3020-Q1

SNAS817 – JUNE 2021

HDC3020-Q1 Automotive High-Accuracy, Low-Power, Digital Humidity and

Temperature Sensor With Ultra-Low Drift

1 Features

3 Description

•

AEC-Q100 qualified for automotive applications

– Temperature Grade 1: -40°C to 125°C

– Device HBM ESD Classification Level 2

– Device CDM ESD Classification Level C4

Relative humidity (RH) sensor:

– Operating range: 0% to 100%

– Accuracy: ±1.5% typical

– Drift Correction: reduces offset to return device

to within accuracy specification

The HDC3020-Q1 is an integrated capacitive based

relative humidity (RH) and temperature sensor, which

provides high accuracy measurements over a wide

supply range (1.62 V – 5.5 V), along with ultra-low

power consumption in a compact 2.5-mm × 2.5-mm

package. Both the temperature and humidity sensors

are 100% tested and trimmed on a production setup

that is NIST traceable and verified with equipment that

is calibrated to ISO/IEC 17025 standards.

•

– Long-term drift: 0.21%RH/yr

– Condensation protection with integrated heater

Temperature sensor:

– Operating range: -40°C to 125°C

– Accuracy: ±0.1°C typical

NIST traceability: Relative humidity & temperature

Low power: average current 0.7 µA

I²C interface compatibility up to 1-Mhz speeds

– Four selectable I²C addresses

– Command/data protection through CRC

checksum

Supply voltage: 1.62 V to 5.50 V

Available auto measurement mode

Programmable interrupts

Drift Correction reduces RH sensor offset due to

aging, exposure to extreme operating conditions, and

contaminants to return device to within accuracy

specifications. For battery IoT applications, auto

measurement mode and ALERT feature enable low

system power by maximizing MCU sleep time. There

are four different I²C addresses that support speeds

up to 1 MHz. A heating element is available to

dissipate condensation and moisture.

•

Device Information

PART NUMBER

PACKAGE⁽¹⁾

BODY SIZE (NOM)

•

HDC3020-Q1

WSON (8)

2.50 mm × 2.50 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Programmable measurement calibration

2 Applications

•

Automotive HVAC control module

Automotive HVAC sensor - air quality

Automotive Particulate Matter PM2.5

Battery Management Systems

On Board Charging

Automotive Camera

3.30 V

HDC3

VDD

SCL

SDA

I²C

Controller

Calibration

ADC

ALERT

ADDR

ADDR1

RH Sensor

T Sensor

Linearization

I²C

GPIO

µC

Typical RH Accuracy vs. RH Setpoint (T_A= 25°C)

RESET

GND

Typical Application

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 preproduction products; subject to change

without notice.

12 3 4 5 6 7...46

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