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TLV6741, TLV6742

SBOS817G – JUNE 2017 – REVISED APRIL 2020

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Product Folder Links: TLV6741 TLV6742

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Copyright © 2017–2020, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Device Comparison Table..................................... 3

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings ............................................................ 6

7.3

Recommended Operating Conditions ....................... 6

7.4

Thermal Information for Single Channel ................... 6

7.5

Thermal Information for Dual Channel...................... 7

7.6

Electrical Characteristics........................................... 8

7.7

TLV6741: Typical Characteristics ........................... 12

7.8

TLV6742: Typical Characteristics ........................... 20

8

Detailed Description ............................................ 27

8.1

Overview ................................................................. 27

8.2

Functional Block Diagram ....................................... 27

8.3

Feature Description................................................. 27

8.4

Device Functional Modes........................................ 32

9

Application and Implementation ........................ 33

9.1

Application Information............................................ 33

9.2

Single-Supply Electret Microphone Preamplifier With

Speech Filter ............................................................ 33

10

Power Supply Recommendations ..................... 36

11

Layout................................................................... 36

11.1

Layout Guidelines ................................................. 36

11.2

Layout Example .................................................... 37

12

Device and Documentation Support ................. 38

12.1

Device Support...................................................... 38

12.2

Receiving Notification of Documentation Updates 38

12.3

Related Links ........................................................ 38

12.4

Support Resources ............................................... 38

12.5

Trademarks ........................................................... 38

12.6

Electrostatic Discharge Caution ............................ 38

12.7

Glossary ................................................................ 38

13

Mechanical, Packaging, and Orderable

Information ........................................................... 38

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision F (January 2020) to Revision G

Page

•

Added end equipment links in Applications section ............................................................................................................... 1

•

Deleted preview tags for TSSOP, SOT-23, WSON, and X2QFN packages in Device Information section ......................... 1

•

Deleted VSSOP (8) package in Device Information section .................................................................................................. 1

•

Added preview tag to TLV6742S X2QFN in Device Information section .............................................................................. 1

•

Deleted VSSOP (DGK) in Device Comparison Table section................................................................................................ 3

•

Added preview tag to X2QFN in Device Comparison Table ................................................................................................. 3

•

Deleted DGK package in pin out drawing for TLV6742 packages in Pin Configuration and Functions section ................... 4

•

Deleted DGK VSSOP in Thermal Information for Dual Channel section ............................................................................... 6

•

Added shutdown electrical characteristic information ........................................................................................................... 9

•

Deleted Example layout for VSSOP-8 (DGK) package in Layout Example section ............................................................ 37

Changes from Revision E (December 2019) to Revision F

Page

•

Deleted TLV6744 product folder link from the data sheet page header ................................................................................ 1

Changes from Revision D (January 2019) to Revision E

Page

•

•

•

Changed Noise Spectral Density vs Frequency plot on front page to the TLV6742 and TLV6744 noise plot ...................... 1

•

Changed wording of Description section to incorporate release of TLV6742 and TLV6744 devices ................................... 1

•

Changed TLV6742 packages in Device Information .............................................................................................................. 1

•

Added Device Comparison Table section .............................................................................................................................. 3

•

Added note regarding single supply operation to Pin Functions: TLV6741 table .................................................................. 4