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MICROPHONE
BOARD
MIC 1
MIC 2
MIC
CABLE
LMV1090TL Demo
Board
Mini-USB Board
Connect via 6 pin
connector
Mini USB 2.0 to USB
cable
PC
GUI (Control
Software)
User's Guide
SNAA066B–May 2009–Revised May 2013
AN-1948 LMV1090 Noise Suppression Microphone
Amplifier Evaluation Kit
1 Overview
The LMV1090TL evaluation kit contains the following:
• LMV1090TL Demonstration Board, 551600317–001
• Mini USB Board, 551600192–002
• Control Software
• Microphone board
• Microphone cable
• I
2
C cable
Figure 1. Basic Evaluation System
2 Introduction
The LMV1090 demo board (Figure 2) offers the means for easy evaluation of the LMV1090 Dual input,
Far Field Noise Suppression (FFNS) Microphone Amplifier with Differential Outputs. This board has the
LMV1090TL mounted on the PCB together with surrounding components ready for evaluation. This board
offers interfaces for connecting two microphones and an I
2
C interface for controlling the settings of the
LMV1090.
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1
SNAA066B–May 2009–Revised May 2013 AN-1948 LMV1090 Noise Suppression Microphone Amplifier Evaluation Kit
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Copyright © 2009–2013, Texas Instruments Incorporated
Verzeichnis
- ・ Blockdiagramm on Seite 10
- ・ Beschreibung der Funktionen on Seite 2
- ・ Anwendungsbereich on Seite 15
