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TPA6141A2 Folha de dados(PDF) 3 Page - Texas Instruments

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Nome de Peças TPA6141A2
Descrição Electrónicos  CLASS-G DIRECTPATH??STEREO HEADPHONE AMPLIFIER
Download  18 Pages
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TPA6141A2 Folha de dados(HTML) 3 Page - Texas Instruments

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DEVICE PINOUT
D1
D2
D3
D4
C1
C2
C3
C4
B1
B2
B3
B4
A1
A3
A4
SW
AGND
CPN
EN
AVDD
CPP
HPVSS
GAIN
OUTL
HPVDD
OUTR
INL-
INL+
INR+
A2
SGND
INR-
WCSP PACKAGE
(TOPVIEW)
TPA6141A2
www.ti.com .................................................................................................................................................................................................. SLOS634 – MARCH 2009
TERMINAL FUNCTIONS
TERMINAL
INPUT /
OUTPUT /
BALL
DESCRIPTION
POWER
NAME
WCSP
(I/O/P)
INL–
A4
I
Inverting left input for differential signals; connect to left input signal through 1
µF capacitor for
single-ended input applications
INL+
B4
I
Non-inverting left input for differential singals; connect to ground through 1
µF capacitor for
single-ended input applications
INR–
C4
I
Inverting right input for differential signals; connect to right input signal through 1
µF capacitor for
single-ended input applications
INR+
D4
I
Non-inverting right input for differential singals; connect to ground through 1
µF capacitor for
single-ended input applications
SGND
C3
I
Sense Ground; connect to shield terminal of headphone jack
EN
D1
I
Amplifier enable. Connect to logic low to shutdown; connect to logic high to activate
GAIN
D2
I
Amplifier gain select pin. Connect to logic low to seelct a gain of 0 dB; connect to logic high to select
a gain of 6 dB
OUTL
A3
O
Left headphone amplifier output; connect to left terminal of headphone jack
OUTR
D3
O
Right headphone amplifier output; connect to right terminal of headphone jack
CPP
B2
P
Charge pump positive flying cap; connect to positive side of capacitor between CPP and CPN
CPN
C1
P
Charge pump negative flying cap; connect to negative side of capacitor between CPP and CPN
SW
A1
P
Buck converter switching node
AVDD
A2
P
Primary power supply for device
HPVDD
B3
P
Power supply for headphone amplifier (DC/DC output node)
AGND
B1
P
Main Ground for headphone amplifiers, DC/DC converter, and charge pump
HPVSS
C2
P
Charge pump output; connect 2.2
µF capacitor to GND
Copyright © 2009, Texas Instruments Incorporated
3
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