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TPA3131D2 Folha de dados(PDF) 3 Page - Texas Instruments

Nome de Peças TPA3131D2
Descrição Electrónicos  TPA313xD2 4-W, 25-W Filter-Free Class-D Stereo Amplifier With AM Avoidance
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TPA3131D2 Folha de dados(HTML) 3 Page - Texas Instruments

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Exposed Thermal Pad
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
GAIN/SLV
GVDD
INPL
INNL
MUTE
GND
PLIMIT
AM2
BSNR
OUTNR
BSNL
GND
OUTNL
GND
GND
GND
TPA3131D2, TPA3132D2
www.ti.com
SLOS841B – SEPTEMBER 2013 – REVISED JANUARY 2015
5 Pin Configuration and Functions
RHB Packaged
32-Pin VQFN With Exposed Thermal Pad
Top View
Pin Functions
PIN
TYPE(1)
DESCRIPTION
NO.
NAME
Power limit level adjust. Connect a resistor divider from GVDD to GND to set power limit. Connect directly
1
PLIMIT
I
to GVDD for no power limit.
Internally generated gate voltage supply. Not to be used as a supply or connected to any component other
2
GVDD
PO
than a 1uF X7R ceramic decoupling capacitor.
3
GAIN/SLV
I
Sets Gain and selects between Master and Slave mode depending on pin voltage divider.
4
GND
G
Ground
5
INNL
I
Negative audio input for left channel. Biased at 3V.
6
INPL
I
Positive audio input for left channel. Biased at 3V.
Mute signal for fast disable/enable of outputs: HIGH = outputs OFF (high-Z), LOW = outputs ON. TTL logic
7
MUTE
I
levels with compliance to AVCC.
8
AM2
I
AM Avoidance Frequency Selection
9
AM1
I
AM Avoidance Frequency Selection
10
AM0
I
AM Avoidance Frequency Selection
Clock input/output for synchronizing multiple class-D devices. Direction determined by GAIN/SLV pin. Input
11
SYNC
DIO
signal not to exceed GVDD (7V)
12
AVCC
P
Analog Supply
13
PVCC
P
Power supply
14
PVCC
P
Power supply
15
BSPL
BST
Boot strap for positive left channel output, connect to 220nF X7R ceramic cap to OUTPL
16
OUTPL
PO
Positive left channel output
17
GND
G
Ground
18
OUTNL
PO
Negative left channel output
19
BSNL
BST
Boot strap for negative left channel output, connect to 220nF X7R ceramic cap to OUTNL
20
GND
G
Ground
21
GND
G
Ground
22
BSNR
BST
Boot strap for negative right channel output, connect to 220nF X7R ceramic cap to OUTNR
(1)
TYPE: DO = Digital Output, I = Analog Input, G = General Ground, PO = Power Output, BST = Boot Strap.
Copyright © 2013–2015, Texas Instruments Incorporated
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