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TAS2780 Datasheet(PDF) 3 Page - Texas Instruments

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Part # TAS2780
Description  TAS2780 Digital Input Mono Class-D Audio Amplifier With Speaker IV Sense
PDF  97 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS2780 Datasheet(HTML) 3 Page - Texas Instruments

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5 Pin Configuration and Functions
Figure 5-1. 30-Pin HR-QFN Package - Bottom View
Table 5-1. Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
ADDR
23
I
Address detect pin. Resistor value at this pin selects the I2C address. See Section 8.3.1.
AVDD
24
P
Analog power input. Connect to 1.8V supply and decouple to GND with a capacitor.
BST_N
30
P
Class-D negative bootstrap. Connect a capacitor between BST_N and OUT_N.
BST_P
4
P
Class-D positive bootstrap. Connect a capacitor between BST_P and OUT_P.
BYP_EN
11
O
Low voltage signaling pin with open drain output. It can be used to enable/disable an
external DC-DC converter.
DGND
25
P
Device substrate ground. Connect to PCB ground plane. Avoid any common routing
inductance between this pin and GND pin.
DREG
10
P
Digital core voltage regulator output. Bypass to GND with a capacitor. Do not connect to
external load.
FSYNC
14
I
Frame Synchronization Clock.
GND
7
P
Analog ground. Connect to PCB ground plane.
ICC
6
IO
Inter-chip communication pin.
IOVDD
20
P
Digital IO power supply. Connect to an 1.8V or a 3.3V supply and decouple with a capacitor
to GND.
IRQZ
21
O
Open drain, active low, interrupt pin. Pull up to IOVDD with resistor if optional internal pull up
is not used.
NC
8, 9, 16, 17
Not Connected.
OUT_N
29
O
Class-D negative output.
OUT_P
3
O
Class-D positive output.
PGND
2
P
Class-D ground. Connect to PCB ground plane.
PVDD
28
P
Class-D power supply input. Decouple with a capacitor.
PVDD_SNS
26
I
PVDD remote sense pin.
SBCLK
15
I
Serial Bit Clock.
SCL
18
I
I2C Clock Pin. Pull up to IOVDD with a resistor.
SDA
19
IO
I2C Data Pin. Pull up to IOVDD with a resistor.
www.ti.com
TAS2780
SLOSE75A – FEBRUARY 2022 – REVISED JUNE 2022
Copyright © 2022 Texas Instruments Incorporated
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Product Folder Links: TAS2780



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