Texas Instruments TAS2505 Evaluation Module TAS2505EVM TAS2505EVM 数据表
产品代码
TAS2505EVM
SLAS778A – FEBRUARY 2013 – REVISED FEBRUARY 2013
Digital Input Class-D Speaker Amplifier with Audio Processing and mono headphone
amplifier
Check for Samples:
1
INTRODUCTION
1.1
Features
1.2
Applications
12
• Digital Input Mono Speaker Amp
•
Portable Audio Devices
• Supports 8-kHz to 96-kHz Sample Rates
•
White goods
• Mono Class-D BTL Speaker Driver (2 W Into
•
Portable Navigation Devices
4
Ω
or 1.7 W Into 8
Ω
)
• Mono Headphone Driver
1.3
Description
• Two Single-Ended Inputs With Output Mixing
and Level Control
The TAS2505 is a low power digital input speaker
amp with support for 24-bit digital I2S data mono
amp with support for 24-bit digital I2S data mono
• Embedded Power-on-Reset
playback.
• Integrated LDO
• Programmable Digital Audio Processing Blocks
• Programmable Digital Audio Processing Blocks
In addition to driving a speaker amp upto 4-
Ω
, the
for Bass Boost, Treble, EQ With up to Six
device also features a mono headphone driver and a
Biquads for Playback
programmable digital-signal processing block. The
• Integrated PLL Used for Programmable Digital
digital audio data format is programmable to work
Audio Processing Blocks
with popular audio standard protocols (I
2
S, left/right-
• I
2
S, Left-Justified, Right-Justified, DSP, and
justified) in master, slave, DSP and TDM modes. The
TDM Audio Interfaces
programmable digital-signal processing block can
• I
2
C Control and SPI control with auto-increment
support Bass boost, treble, or EQ functions. An on-
• Full Power-Down Control
chip PLL provides the high-speed clock needed by
• Power Supplies:
the digital signal-processing block. The volume level
– Analog: 1.5 V–1.95 V
can be controlled by register control. The audio
– Digital Core: 1.65 V–1.95 V
functions are controlled using the I
2
C™ serial bus or
– Digital I/O: 1.1 V–3.6 V
SPI bus. The device includes an on-board LDO that
– Class-D: 2.7 V–5.5 V (SPKVDD
≥
AVDD)
runs off the speaker power supply to handle all
internal device analog and digital power needs. The
internal device analog and digital power needs. The
• 24-Pin QFN Package (4mm × 4mm)
included POR as power-on-resetcircuit reliably resets
the device into its default state so no external reset is
required at normal usage; however, the device does
have
the device into its default state so no external reset is
required at normal usage; however, the device does
have
a
reset
pin
for
more
complex
system
initialization needs. The device also includes two
analog inputs for mixing and muxing in both speaker
and headphone analog paths.
analog inputs for mixing and muxing in both speaker
and headphone analog paths.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
I
2
C is a trademark of NXP B.V. Corporation.
PRODUCTION DATA information is current as of publication date. Products conform to
Copyright © 2013, Texas Instruments Incorporated
specifications per the terms of the Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.
processing does not necessarily include testing of all parameters.