Texas Instruments TPA2012D2 - Manual
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Table of Contents:
- Page 2 – Quick Start for Stand-Alone Operation; Operation; This section describes how to operate the TPA2012D2 EVM.; Power and Ground; Audio
- Page 3 – Power Up; Reference; Table 1. Gain Settings; Shutdown Controls
- Page 4 – Figure 3. Bottom Layer
- Page 5 – Figure 4. TPA2012D2 EVM Schematic Diagram
- Page 6 – TPA2012D2 Audio Power Amplifer Evaluation Module Parts List; Related Documentation From Texas Instruments; Description; sheet for the TPA2012D2 audio amplifier integrated circuit.
- Page 8 – IMPORTANT NOTICE; Products
1
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.
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.
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.
NanoFree is a trademark of Texas Instruments.
TPA2012D2 Audio Power Amplifier Evaluation Module
SLOU174A – February 2005 – Revised April 2005
1
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Summary
www.ti.com V DD = 3.6 V, 10% 0 0.50 1 1.50 2 2.50 4 9 14 19 24 29 34 P O − Output Power − W R L − Load Resistance − See Note V DD = 5 V, 1% V DD = 2.5 V, 1% V DD = 2.5 V, 10% V DD = 3.6 V, 1% V DD = 3.6 V, 10% 2 Operation 2.1 Quick Start for Stand-Alone Operation Operation Figure 1. TPA2012D2 Output...
www.ti.com 2.2 Power Up 3 Reference Reference Table 1. Gain Settings Amplifier Gain Setting (typ) GAIN1 (1) GAIN0 (1) V/V dB 0 0 2 6 0 1 4 12 1 0 8 18 1 1 16 24 (1) 0 = Jumper installed, 1 = Jumper not installed 2.1.2.3 Shutdown Controls 1. The TPA2012D2 provides independent shutdown controls so tha...
www.ti.com 3.1 TPA2012D2 EVM PCB Layers Reference Figure 2. Top Layer Figure 3. Bottom Layer TPA2012D2 Audio Power Amplifier Evaluation Module 4 SLOU174A – February 2005 – Revised April 2005
