Datasheet
LM49350, LM49350RLEVAL
SNAS359D –SEPTEMBER 2008–REVISED JUNE 2012
www.ti.com
Connection Diagram
Figure 6. 36 Bump DSBGA
Top View (Bump Side Down)
See Package Number YPG0036TTA
PIN DESCRIPTIONS
Pin Pin Name Type Direction Description
A1 HPR Analog Output Headphone right output
A2 A_V
DD
Supply Input Headphone and mixer power supply input
A3 AGND Supply Input Headphone and mixer ground
A4 VREF_FLT Analog Input/Output Filter point for the microphone power supply and internal references
A5 GPIO Digital Input/Output General purpose input or output
A6 SDA Digital Input/Output I
2
C interface data line
B1 HPL Analog Output Headphone left output
B2 AUX_R Analog Input Right analog input
B3 AUX_L Analog Input Left analog input
B4 PORT2_SYNC Digital Input/Output Audio Port 2 SYNC Signal (can be master or slave)
B5 PORT2_SDI Digital Input Audio Port 2 serial data input
B6 SCL Digital Input I
2
C interface clock line
C1 HP_V
SS
Analog Output Negative power supply pin for the headphone amplifier
C2 AUX_OUT+ Analog Output Auxiliary positive output
C3 AUX_OUT- Analog Output Auxiliary negative output
C4 PORT2_SDO Digital Output Audio port 2 serial data out
C5 PORT2_CLK Digital Input/Output Audio port 2 clock signal (can be master or slave)
C6 MCLK Digital Input Input clock from 0.5MHz to 50 MHz
D1 CP- Analog Input/Output Charge pump flying capacitor negative input
D2 CP+ Analog Input/Output Charge pump flying capacitor positive input
D3 MIC_BIAS Analog Output Microphone ultra clean supply (2.2V)
D4 PORT1_SYNC Digital Input/Output Audio Port 1 sync signal (can be master or slave)
D5 PORT1_SDO Digital Output Audio Port 1 serial data output
D6 DGND Supply Input Digital ground
E1 LSGND Supply Input Loudspeaker ground
E2 LS_V
DD
Supply Input Loudspeaker power supply input
E3 RIGHT_MIC- Analog Input Right microphone negative input
E4 LEFT_MIC- Analog Output Left microphone negative input
E5 PORT1_SDI Digital Input Audio Port 1 serial data input
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