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LM4931ITL/NOPB Datasheet(PDF) 2 Page - Texas Instruments

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Part # LM4931ITL/NOPB
Description  Audio Power Amplifier Series Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers
PDF  50 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM4931ITL/NOPB Datasheet(HTML) 2 Page - Texas Instruments

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6
5
4
3
2
1
A
B
C
D
E
F
G
POWER MANAGEMENT
and CONTROL
PLL
MIC1
MIXER
AB
AB
D
GPIO
HP SENSE
MIC BIAS
MIC REF
BYPASS
LPF
LPF
I2S
PCM
ADDR/ENB
SDA/SDI
SCL/SCK
PCM_SYNC
PCM_CLK
PCM_SDI
PCM_SDO
I2S_WS
I2S_CLK
DAC
ADC
DAC
STEREO
I2S_SDI
I2C / SPI CONTROL
CLICK and POP / BIAS
REGISTERS
MODE
MCLK
PLLIN
PLLOUT
LM4931
SNAS251E – APRIL 2004 – REVISED MAY 2013
www.ti.com
DESCRIPTION (CONTINUED)
The LM4931 employs advanced techniques to reduce power consumption, to reduce controller overhead, and to
eliminate click and pop. Boomer audio power amplifiers were designed specifically to provide high quality output
power with a minimal amount of external components. It is therefore ideally suited for mobile phone and other
low voltage applications where minimal power consumption, PCB area, and cost are primary requirements.
Typical Application
Figure 1. Typical I2S + Voice codec application circuit for mobile phones
Connection Diagram
Figure 2. 42-Bump DSBGA
(Top View)
See Package Number YZR0042
2
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Copyright © 2004–2013, Texas Instruments Incorporated
Product Folder Links: LM4931



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