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LM49321RL/NOPB Datasheet(PDF) 2 Page - Texas Instruments

Part # LM49321RL/NOPB
Description  Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
PDF  45 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM49321RL/NOPB Datasheet(HTML) 2 Page - Texas Instruments

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background image
Speaker
AMP
+
Volume
HP
AMP
DIFF-
I
2
S_CLK
I
2
S_SDI
I
2
S_WS
Volume
Mono
Earpiece
(Receiver)
-
PLL
I
2
C/SPI
Interface
-56 dB to +5 dB
Volume
Volume
Volume
Mixer
and
Output
Mode
Select
DAC
Gain
-3 dB to 6 dB
-12 dB to +9 dB
I
2
C_VDD
I
2S_SDATA
SCL/SCK
ADDR/ENB
MODE
STEREO
DAC
MCLK
PLL_IN
PLL_OUT
DIFF+
LIN
RIN
LS+
LS-
-56 dB to +5 dB
-56 dB to +5 dB
-56 dB to +5 dB
LHP
RHP
CHP
EP+
EP-
PLL_VDD
Analog Power and Bias
Digital Power
Ci
Ci
0.22 µF
0.22 µF
Ci
0.22 µF
Ci
0.22 µF
+
CS
1 PF
AVDD
+
CS
0.1 PF
AGND
DGND
+
CS
1 PF
DVDD
+
CS
0.1 PF
+
CS
1 PF
I/O_VDD
+
CS
0.1 PF
+
CB
2.2 PF
BYPASS
Audio
Differential
Input
Audio
Single-Ended
Inputs
Volume
-6 dB to +15 dB
Volume
-6 dB to +15 dB
PLL_GND
LM49321, LM49321RLEVAL
SNAS457C – SEPTEMBER 2008 – REVISED MAY 2013
www.ti.com
Block Diagram
Figure 1. Typical Audio Amplifier Subsystem Application Circuit with Output Capacitor-Less (OCL)
Headphone Configuration
2
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Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: LM49321 LM49321RLEVAL



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