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TAS5754M Datasheet(PDF) 1 Page - Texas Instruments

Part # TAS5754M
Description  Digital Input, Closed-Loop Class-D Amplifier with HybridFlow Processing
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5754M Datasheet(HTML) 1 Page - Texas Instruments

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PVDD (V)
Inst Power, Rspk = 8
Ÿ
Cont Power, Rspk = 8
Ÿ
Inst Power, Rspk = 6
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Cont Power, Rspk = 6
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Inst Power, Rspk = 4
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Cont Power, Rspk = 4
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C036
Closed Loop Stereo
Class D Amplifier
HybridFlow
Processing
miniDSP Core
High Performance
Stereo DAC
001100
1101
Software Control Port
Hardware
Control Port
Low-Voltage Supply Domain
High Voltage
Supply Domain
PWM
Modulator
Power
Stage
DVDD
PVDD
Serial
Audio In
Analog
Audio Out
I²C Communication
GPIO/Status
Serial
Audio Out
Product
Folder
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Buy
Technical
Documents
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Software
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Community
TAS5754M
SLAS987 – JUNE 2014
Digital Input, Closed-Loop Class-D Amplifier with HybridFlow Processing
1 Features
3 Description
The TAS5754M device is a high-performance, stereo
1
Flexible Audio I/O Configuration
closed-loop amplifier with integrated audio processor
Supports I2S, TDM, LJ, RJ Digital Input
with PurePath™ HybridFlow architecture. To convert
8 kHz to 192 kHz Sample Rate Support
from digital to analog, it uses a high performance
DAC with Burr-Brown® mixed signal heritage. It
Stereo Bridge Tied Load (BTL) or Mono
requires only two power supplies: one DVDD for low-
Parallel Bridge Tied Load (PBTL) Operation
voltage circuitry and one PVDD for high-voltage
BD Modulation with TAS5756M, 1SPW
circuitry. It is controlled via a software control port
Modulation with TAS5754M
using standard I2C communication. In the family, the
Supports 3-Wire Digital Audio Interface (No
TAS5756M uses traditional BD modulation, ensuring
low distortion characteristics. The TAS5754M uses
MCLK required)
1SPW modulation, reducing the idle current draw at
High Performance Closed-Loop Architecture
the expense of slightly higher distortion.
(PVDD = 12V, RSPK = 8 Ω, SPK_GAIN = 20dBV)
The
unique
HybridFlow
architecture
allows
the
Idle Channel Noise = 62 µVrms (A-Wtd)
system designer to choose from several configurable
THD+N = 0.007 % (at 1 W, 1 kHz)
DSP programs, specifically designed for use in
SNR = 103 A-Wtd (Ref. to THD+N = 1%)
popular audio end equipment such as bluetooth (BT)
speakers,
sound
bars,
docking
stations,
and
PurePath™ HybridFlow Processing Architecture
subwoofers. This combines the flexibility of a fully
Several Configurable MiniDSP Programs
programmable device with the fast download time
(called HybridFlows)
and ease of use of a fixed function ROM device.
Download Time <100 ms (typ)
An optimal mix of thermal performance and device
Advanced Audio Processing Algorithms
cost is provided in the 90 m
Ω rDS(on) of the output
Communication Features
MOSFETs. Additionally, a thermally enhanced 48-
Terminal TSSOP provides excellent operation in the
Software Mode Control via I2C Port
elevated ambient temperatures found in modern
Two Address Select Pins – Up to 4 Devices
consumer electronic devices.
Robustness and Reliability Features
Device Information(1)
Clock Error, DC, and Short-Circuit Protection
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Over Temperature and Overcurrent Protection
TAS5754M
TSSOP (48)
12.05 mm × 6.10 mm
2 Applications
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
LCD/LED TV and Multi-Purpose Monitors
Sound Bars, Docking Stations, PC Audio
Wireless Subwoofers, Bluetooth and Active
Speakers
Figure 1. Simplified Block Diagram
Figure 2. Power at 10% THD+N vs PVDD
Note:
Tested on TAS5754M-56MEVM.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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