LM49352RLX/NOPB National Semiconductor, LM49352RLX/NOPB Datasheet - Page 11

• Manufacturer Part Number: LM49352RLX/NOPB
• Description: IC AMP AUDIO MONO D1.4W 36USMD
• Manufacturer: National Semiconductor
• Series: Boomer®, PowerWise®r
• Type: Class Dr

Specifications of LM49352RLX/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.4W x 1 @ 8 Ohm; 65mW x 2 @ 32 Ohm
• Features: Depop, Differential Inputs, I²C, I²S, Microphone, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 36-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Other names: LM49352RLX

Pin Descriptions
Pin
A1
A2
A3
A4
A5
A6
B1
B2
B3
B4
B5
B6
C1
C2
C3
C4
C5
C6
D1
D2
D3
D4
D5
D6
E1
E2
E3
E4
E5
E6
F1
F2
F3
F4
F5
F6
EP+/AUXOUT+
PORT2_SYNC
PORT2_SDO /
PORT1_SYNC
EP-/AUXOUT-
AUX_R/AUX+
PORT1_SDO
AUX_L/AUX-
PORT2_CLK
PORT1_CLK
PORT2_SDI
PORT1_SDI
Pin Name
DAC REF
ADC REF
MONO+
HP_V
HP_V
I/O_V
LSGND
LS_V
MONO-
A_V
AGND
DGND
D_V
MCLK
MIC +
GPIO
HPR
SDA
MIC-
LS +
HPL
SCL
CP+
LS -
CP-
DD
DD
DD
DD
SS
DD
Analog
Supply
Supply
Analog
Analog
Analog
Analog
Analog
Analog
Supply
Analog
Analog
Analog
Analog
Supply
Supply
Supply
Analog
Analog
Supply
Analog
Analog
Analog
Analog
Supply
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Type
Input / Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Direction
Output
Output
Output
Output
Output
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Headphone right output
DAC (Analog), ADC (Analog), PLL (Analog), input stages, analog
mixer (AUX and class D), and Earpiece amplifier power supply input
DAC (Analog), ADC (Analog), PLL (Analog), input stages, analog
mixer (AUX and class D), and Earpiece amplifier ground
Filter point for the DAC reference
Filter point for the ADC reference. Connect this pin to A_V
I
Headphone left output
Right analog input or positive differential auxiliary input
Left analog input or negative differential auxiliary input
Audio Port 2 sync signal (can be master or slave)
Audio Port 2 serial data input
I
Negative power supply pin for the headphone amplifier
Headphone amplifier power supply pin
Earpiece negative output or Auxiliary negative output
Audio port 2 serial data output or General Purpose Input Output
Audio port 2 clock signal (can be master or slave)
Input clock from 0.5MHz to 50 MHz
Fly capacitor negative input
Fly capacitor positive input
Earpiece positive output or Auxiliary positive output
Audio Port 1 sync signal (can be master or slave)
Audio Port 1 serial data output
Digital ground
Loudspeaker ground
Loudspeaker amplifier and analog mixer (headphone) supply input
Mono differential negative input
Microphone negative input
Audio Port 1 serial data input
DAC (Digital), ADC (Digital), PLL (Digital), digital mixer, DSP core,
and I
Loudspeaker positive output
Loudspeaker negative output
Mono differential positive input
Microphone positive input
Audio Port 1 clock signal (can be master or slave)
Digital I/O (MCLK, I
2
2
C interface data line
C interface clock line
11
2
C register power supply input
2
S/PCM, I
Description
2
C) interface power supply input
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