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SI7005-B-GM1

DIGITAL I2C HUMIDITY AND TEMPERATURE SENSOR

Silicon Laboratories 

Si7005

DOCUMENT CHANGE LIST

Revision 0.1 to Revision 0.2

 Updated Table 2, “General Specifications*,” on

page 4.

 Updated Table 4, “Humidity Sensor,” on page 7.

New Note 1.

 Added Table 6, “Thermal Characteristics,” on

page 9.

 Updated Table 7, “Absolute Maximum Ratings1,2,”

on page 9.

Updated max value for “Voltage on SDA or SCL pin with

respect to GND” parameter.

 Updated Figure 2 on page 7.

 Updated Figure 3 on page 8.

 Updated "2.1.1. Steps to Perform Relative Humidity

Measurement" on page 9.

 Updated Table 12, “14-Bit Temperature Result

Available in Registers 1 and 2,” on page 10.

Revised title.

 Added "2.1.6. RSVD" on page 11.

 Updated "2.2. I2C Operation" on page 12.

 Updated Table 22, “I2C Read Sequence for a Single

Register,” on page 24.

 Updated Table 23, “I2C Read Sequence for RH or

Temperature Conversion Result,” on page 24.

Revision 0.2 to Revision 0.9

 Updated Features/Applications/Description

 Added pinout drawing to front page

 Updated Electrical Specifications

 Clarified voltage tolerance of CS, SDA, and SCL

pins

 Updated Typical Application Circuits and BOMs

 Updated and expanded Functional Description

 Updated Host Interface

 Updated register descriptions

 Added drawing and photo of device with cover

 Updated and expanded Ordering Guide

 Expanded Additional Reference Resources

Revision 0.9 to Revision 1.0

 Updated and expanded General Specification

Table 2

 Updated and expanded General Specification

Table 3

 Updated Figure 1.

 Updated Figure 2.

 Updated Bill of Materials

 Added Linearization Coefficients Table 10,11

 Updated Host Interface

 Updated I2C Operation

 Amended Connection Diagram

 Amended Ordering Guide

 Expanded Additional Reference Resources

Revision 1.0 to Revision 1.1

 Updated Figures 2 and 3.

Clarified RH and temperature accuracy graphs.

 Updated Figure 7.

Replaced with black and white version.

 Updated “4.7 Soldering” to “4.7. PCB Assembly”.

 Updated Table 19, “Device ID Revision Values,” on

page 22.

Corrected title.

Revision 1.1 to Revision 1.2

 Updated Table 4, “Humidity Sensor,” on page 7.

Updated typical response time.

 Updated Table 7, “Absolute Maximum Ratings1,2,”

on page 9.

Added ESD tolerance specs.

Revision 1.2 to Revision 1.3

 Added nominal values to Dimension A in Table 30

38

Rev. 1.3

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