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LMV1099TL/NOPB Datasheet(PDF) 2 Page - Texas Instruments

Part # LMV1099TL/NOPB
Description  LMV1099 Uplink Far Field Noise Suppression and Downlink SNR Enhancing Microphone Amplifier with Earpiece Driver
PDF  27 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LMV1099TL/NOPB Datasheet(HTML) 2 Page - Texas Instruments

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MIC
From
Clean Baseband
Downlink Voice
AGC
Amplifier
Ambient
Noise
Uplink Signal Path
Downlink Signal Path
PREAMP
LMV1099
VDD
REF
MIC BIAS
GND
SCL
SDA
EN
CT1
DCAP
BYPASS
Downlink
Signal
Enhancing
Circuit
Uplink
Noise
Reduction
Circuit
To
Uplink
Signal
Path
To
Cell Phone
Ear -Piece
Amplifier
CT2
CT3
EP+
EP-
DV+
DV-
OUT+
LPF-
LPF+
OUT-
Near-Field
Voice
I2CVDD
I2C
Control
&
Shutdown
PREAMP
MIC 2-
MIC 2+
MIC
MIC 1-
MIC 1+
Original Downlink
Voice Signal
Enhanced Downlink
Voice Signal (SNR
Enhancer Active)
Ambient Noise
LMV1099
SNAS490D – JULY 2010 – REVISED MAY 2013
www.ti.com
Figure 1. Voice Enhanced Signal
Block Diagram
2
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Copyright © 2010–2013, Texas Instruments Incorporated
Product Folder Links: LMV1099



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