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LM4935WL Fiches technique(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce LM4935WL
Description  Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4935WL Fiches technique(HTML) 7 Page - National Semiconductor (TI)

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7.0 Connection Diagrams (Continued)
Pin Descriptions (Continued)
Pin
Pin Name
Type
Direction
Description
E2
HP_VMID_FB
Analog
Inout
VMID Feedback in OCL mode, otherwise a 2nd headset detection input
E3
MIC_DET
Analog
Input
Headset insertion/removal and Microphone presence detection input
E4
CPI_NEG
Analog
Input
Cell Phone analog input negative
E5
IRQ
Digital
Output
Interrupt request signal (NOT open drain)
E6
I2S_SDO
Digital
Output
I2S Serial Data Out
E7
I2S_SDI
Digital
Input
I2S Serial Data Input
F1
LS_V
DD
Supply
Input
Loudspeaker V
DD
F2
LS_V
DD
Supply
Input
Loudspeaker V
DD
F3
CPI_POS
Analog
Input
Cell Phone analog input positive
F4
CPO_NEG
Analog
Output
Cell Phone analog output negative
F5
AUX_OUT_NEG
Analog
Output
Auxiliary analog output negative
F6
I2S_WS
Digital
Inout
I2S Word Select Signal (can be master or slave)
F7
I2S_CLK
Digital
Inout
I2S Clock Signal (can be master or slave)
G1
LS_POS
Analog
Output
Loudspeaker positive output
G2
LS_V
SS
Supply
Input
Loudspeaker V
SS
G3
LS_NEG
Analog
Output
Loudspeaker negative output
G4
CPO_POS
Analog
Output
Cell Phone analog output positive
G5
AUX_OUT_POS
Analog
Output
Auxiliary analog output positive
G6
D_V
SS
Supply
Input
Digital V
SS
G7
MCLK
Digital
Input
Input clock from 0.5 MHz to 30 MHz
7.1 PIN TYPE DEFINITIONS
Analog Input —
A pin that is used by the analog and is
never driven by the device. Supplies are
part of this classification.
Analog Output — A pin that is driven by the device and
should not be driven by external sources.
Analog Inout —
A pin that is typically used for filtering a
DC signal within the device, Passive com-
ponents can be connected to these pins.
Digital Input —
A pin that is used by the digital but is
never driven.
Digital Output —
A pin that is driven by the device and
should not be driven by another device to
avoid contention.
Digital Inout —
A pin that is either open drain (I2C_SDA)
or a bidirectional CMOS in/out. In the
later case the direction is selected by a
control register within the LM4935.
www.national.com
7


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