HDC1000YPAR datasheet(7/31 Pages) TI1

Part #	HDC1000YPAR

Description	Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor

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SCL

SDA

tLOW

tHIGH

START

REPEATED

START

STOP

START

tSP

7

HDC1000

www.ti.com

SNAS643C – JULY 2014 – REVISED JANUARY 2016

Product Folder Links: HDC1000

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(1)

This parameter is specified by design and/or characterization and it is not tested in production.

7.6 I2C Interface Electrical Characteristics

At TA=30°C, VDD=3V (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

I2C INTERFACE VOLTAGE LEVEL

VIH

Input High Voltage

0.7xVDD

V

VIL

Input Low Voltage

0.3xVDD

V

VOL

Output Low Voltage

Sink current 3mA

0.4

V

HYS

Hysteresis (1)

0.1xVDD

V

CIN

Input Capacitance on all digital pins

0.5

pF

(1)

This parameter is specified by design and/or characterization and it is not tested in production.

(2)

Within this interval it is not possible to communicate to the device.

7.7

I2C Interface Timing Requirements

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

I2C INTERFACE VOLTAGE LEVEL

fSCL

Clock Frequency

10

400

kHz

tLOW

Clock Low Time

1.3

µs

tHIGH

Clock High Time

0.6

µs

tSP

Pulse width of spikes that must be

suppressed by the input filter (1)

50

ns

tSTART

Device Start-up time

From VDD ≥ 2.7 V to ready for a

conversion(1)(2)

10

15

ms

Figure 1. I2C Timing

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