Datasheet > HDC3022DEJT

HDC3022DEJT

更新时间： 2022-05-14 22:18:54

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
51页	2002K
描述
HDC302x High-Accuracy, Low-Power, Digital Humidity and Temperature Sensor With Ultra-Low Drift

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HDC3022DEJT 数据手册

HDC3020

www.ti.com

UNIT

SNAS778 – JUNE 2021

T_A= -40°C to 125°C, VDD = 1.62V to 5.50V (unless otherwise noted), Typical Specifications are T_A= 25°C, V_DD

1.8V unless otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

at ambient room tempT_A= 25°C, 10% to 90%

Low Power Mode 0 (lowest noise)

±0.02

T_A= 25°C, 10% to 90% RH

Low Power Mode 1

TBD

RH_REP

Repeatability

%RH

T_A= 25°C, 10% to 90% RH

Low Power Mode 2

T_A= 25°C, 10% to 90% RH

Low Power Mode 3 (lowest power)

TBD

±1

RH_HYS

RH_RT

Hysteresis ⁽⁵⁾

T_A= 25°C, 10% to 90% RH

%RH

T_A= 25°C, 10% to 90% RH

t_63%step.

Response Time^{(6) (7)}

Long-term Drift ⁽⁴⁾

RH_LTD

0.21

%RH/yr

Temperature Sensor

-20°C ≤ T_A≤ 60°C

±0.1

±0.2

±0.3

±0.4

TEMP_ACCAccuracy

°C

-40°C ≤ T_A< -20°C or 60°C < T_A≤ 125°C

Low Power Mode 0 (lowest noise)

Low Power Mode 1

±0.04

TBD

TEMP_REPRepeatability

Low Power Mode 2

TBD

Low Power Mode 3 (lowest power)

±0.07

25C <T_A<75C

t_63%step

TEMP_RTResponse Time (in air)^{(6) (7)}

TBD

TEMP_LTDLong Term Drift

±0.03

0.3*V_DD

0.4

°C/yr

SCL, SDA Pins

V_IL

LOW-level input voltage

HIGH-level input voltage

LOW-level output voltage

V_IH

V_OL

0.7*V_DD

V_DD–0.2

I_OL= 3 mA

Control Pins

High-level Output Voltage -

V_{OH_ALERT}

I_OH= -100 µA

I_OL= 100 µA

ALERT

Low-level Output Voltage -

ALERT

V_{OL_ALERT}

0.2

V_{IH_ADDR}High Level Input Voltage - ADDR

V_{IL_ADDR}Low Level Input Voltage - ADDR

0.7*V_DD

0.3*V_DD

High Level Input Voltage -

V_{IH_ADDR1}

ADDR1

V_{IL_ADDR1}Low Level Input Voltage - ADDR1

0.3*V_DD

High Level Input Voltage -

V_{IH_RESET}

RESET

0.7*V_DD

V_{IL_RESET}Low Level Input Voltage - RESET

0.3*V_DD

I_{I_ADDR}

Input Leakage Current - ADDR

V_I= V_DDor GND

-1

µA

I_{I_ADDR1}

Input Leakage Current - ADDR1 V_I= V_DDor GND

EEPROM (T, RH offset)

OS_END

OS_RET

Program Endurance

Data Retention Time

1000

50000

100

Cycles

Years

100% Power-On hours

(1) Does not include I²C read/write communication or pullup resistor current through SCL and SDA

(2) Average current consumption while conversion is in progress

(3) Excludes hysteresis and long-term drift

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