Texas Instruments TPA2012D2 用户手册
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Introduction
1.1
TPA2012D2 EVM Specifications
User's Guide
SLOU174A – February 2005 – Revised April 2005
TPA2012D2 Audio Power Amplifier Evaluation Module
The TPA2012D2 audio power amplifier evaluation module is a complete, low-power,
Class-D, stereo audio power amplifier capable of delivering 1.2 W/channel (YZH
package). All components and the evaluation module are Pb-Free.
Class-D, stereo audio power amplifier capable of delivering 1.2 W/channel (YZH
package). All components and the evaluation module are Pb-Free.
Contents
1
Introduction
2
Operation
3
Reference
4
Related Documentation From Texas Instruments
List of Figures
1
TPA2012D2 Output Power
2
Top Layer
3
Bottom Layer
4
TPA2012D2 EVM Schematic Diagram
List of Tables
1
Gain Settings
2
TPA2012D2 EVM Parts List
This section provides an overview of the Texas Instruments (TI) TPA2012D2 NanoFree™ WCSP audio
amplifier evaluation module (TPA2012D2 EVM). It includes a brief description of the module and a list of
EVM specifications.
amplifier evaluation module (TPA2012D2 EVM). It includes a brief description of the module and a list of
EVM specifications.
Supply voltage range, V
DD
2.5 V to 5.5 V
Power supply current rating required
2.5 A
Continuous output power, P
O
: 4-
Ω
BTL, V
DD
= 5 V
1.2 W (see note)
Audio input voltage, V
I
0 V to V
DD
Minimum load impedance, Z
L
4
Ω
Note:
The TPA2012D2 in the RTJ package (QFN) is rated at 2.1 W/channel. The YZH package
(WCSP) is thermally limited to 1.2 W/channel on the EVM. For layouts with higher trace
density and additional copper, the maximum output power will be larger. See the data
sheet for device descriptions.
The TPA2012D2 in the RTJ package (QFN) is rated at 2.1 W/channel. The YZH package
(WCSP) is thermally limited to 1.2 W/channel on the EVM. For layouts with higher trace
density and additional copper, the maximum output power will be larger. See the data
sheet for device descriptions.
NanoFree is a trademark of Texas Instruments.
TPA2012D2 Audio Power Amplifier Evaluation Module
SLOU174A – February 2005 – Revised April 2005
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