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TPA3126D2 Datasheet(PDF) 4 Page - Texas Instruments

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Part # TPA3126D2
Description  50-W Stereo, Analog-Input, Class-D Audio Amplifier with Low, 15-mA Idle Current and AM Avoidance
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3126D2 Datasheet(HTML) 4 Page - Texas Instruments

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1
MODSEL
32
PVCC
2
SDZ
31
PVCC
3
FAULTZ
30
BSPR
4
RINP
29
OUTPR
5
RINN
28
GND
6
PLIMIT
27
OUTNR
7
GVDD
26
BSNR
8
GAIN/SLV
25
GND
9
GND
24
BSPL
10
LINP
23
OUTPL
11
LINN
22
GND
12
MUTE
21
OUTNL
13
AM2
20
BSNL
14
AM1
19
PVCC
15
AM0
18
PVCC
16
SYNC
17
AVCC
Not to scale
Thermal
Pad
4
TPA3126D2
SLOS942 – APRIL 2018
www.ti.com
Product Folder Links: TPA3126D2
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Copyright © 2018, Texas Instruments Incorporated
6 Pin Configuration and Functions
DAD Package
32-Pin HTSSOP With PowerPAD™ Up
Top View
(1)
DO = Digital Output, I = Analog Input, G = General Ground, PO = Power Output, BST = Boot Strap.
Pin Functions
PIN
TYPE(1)
DESCRIPTION
NO.
NAME
1
MODSEL
I
Mode selection logic input (LOW = Hybrid Mode, HIGH = BD Mode). TTL logic levels with compliance to
AVCC. Refer to: Device Modulation Scheme
2
SDZ
I
Shutdown logic input for audio amp (LOW = outputs Hi-Z, HIGH = outputs enabled). TTL logic levels with
compliance to AVCC. Refer to: Startup and Shutdown Operation
3
FAULTZ
DO
General fault reporting including Over-temp, DC Detect. Open drain. Refer to: Device Protection System
FAULTZ = High, normal operation
FAULTZ = Low (an external 100 kΩ pull-up resistor required), fault condition
4
RINP
I
Positive audio input for right channel. Connect to GND for MONO mode.
5
RINN
I
Negative audio input for right channel. Connect to GND for MONO mode.
6
PLIMIT
I
Power limit level adjust. Connect a resistor divider from GVDD to GND to set power limit. Connect directly
to GVDD for no power limit. Refer to: PLIMIT Operation
7
GVDD
PO
Internally generated gate voltage supply. Not to be used as a supply or connected to any component other
than a 1 µF X7R ceramic decoupling capacitor and the PLIMIT and GAIN/SLV resistor dividers. Refer to:
GVDD Supply
8
GAIN/SLV
I
Selects Gain and selects between Master and Slave mode depending on pin voltage divider. Refer to:
Gain Setting and Master and Slave
9
GND
G
Ground


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