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LM49321 датащи(PDF) 4 Page - Texas Instruments

номер детали LM49321
подробное описание детали  Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

LM49321 датащи(HTML) 4 Page - Texas Instruments

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LM49321, LM49321RLEVAL
SNAS457C – SEPTEMBER 2008 – REVISED MAY 2013
www.ti.com
PIN DESCRIPTIONS
Digital
Pin
Pin Name
I/O, Power
Description
/Analog
A1
DGND
D
P
DIGITAL GND
A2
MCLK
D
I
MASTER CLOCK
A3
I2S_WS
D
I/O
I2S WORD SELECT
A4
SDA/SDI
D
I/O
I2C SDA OR SPI SDI
A5
DVDD
D
P
DIGITAL SUPPLY VOLTAGE
A6
I/O_VDD
D
P
I/O SUPPLY VOLTAGE
B1
PLL_VDD
D
P
PLL SUPPLY VOLTAGE
B2
I2S_SDATA
D
I
I2S SERIAL DATA INPUT
B3
I2S_CLK
D
I/O
I2S CLOCK SIGNAL
B4
GPIO
D
O
TEST PIN (MUST BE LEFT FLOATING)
B5
I2C_VDD
D
P
I2C SUPPLY VOLTAGE
B6
SDL/SCK
D
I
I2C_SCL OR SPI_SCK
C1
PLL_GND
D
P
PHASE LOCK LOOP GROUND
C2
PLL_OUT
D
O
PHASE LOCK LOOP FILTER OUTPUT
C3
PLL_IN
D
I
PLL FILTER INPUT
C4
ADDR/ENB
D
I
I2C ADDRESS OR SPI ENB DEPENDING ON MODE
C5
BYPASS
A
I
HALF-SUPPLY BYPASS
C6
AVDD
A
P
ANALOG SUPPLY VOLTAGE
D1
AGND
A
P
ANALOG GROUND
D2
AGND
A
P
ANALOG GROUND
D3
NC
NO CONNECT (MUST BE LEFT FLOATING)
D4
MODE
D
I
SELECTS BETWEEN I2C OR SPI CONTROL
D5
RHP
A
O
RIGHT HEADPHONE OUTPUT
D6
CHP
A
O
HEADPHONE CENTER PIN OUTPUT (1/2 VDD or GND)
E1
DIFF-
A
I
ANALOG NEGATIVE DIFFERENTIAL INPUT
E2
LIN
A
I
ANALOG LEFT CHANNEL INPUT
E3
RIN
A
I
ANALOG RIGHT CHANNEL INPUT
E4
NC
NO CONNECT (MUST BE LEFT FLOATING)
E5
LHP
A
O
LEFT HEADPHONE OUTPUT
E6
AGND
A
P
ANALOG GROUND
F1
DIFF+
A
I
ANALOG POSITIVE DIFFERENTIAL INPUT
F2
EP-
A
O
MONO EARPIECE- OUTPUT
F3
EP+
A
O
MONO EARPIECE+ OUTPUT
F4
LS-
A
O
LOUDSPEAKER OUTPUT-
F5
AVDD
A
P
ANALOG SUPPLY VOLTAGE
F6
LS+
A
O
LOUDSPEAKER OUTPUT+
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
4
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Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: LM49321 LM49321RLEVAL


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