Texas Instruments TPA2028D1YZFEVM - Manual
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Table of Contents:
- Page 2 – Operation; Quick Start List for Stand-Alone Operation; Software Installation Sequence; It is unnecessary to repeat the steps in; Evaluation Module Preparations; Figure 1; Figure 1. Place Shunts Horizontally Across SDA and SCL; Submit Documentation Feedback
- Page 3 – external power supply.
- Page 4 – Using the Software; The TPA2028D1 software interface is as shown in
- Page 5 – Figure 4. Software Interface
- Page 6 – Shutdown Control; Quick Start List When Connected to Existing Circuits With I; C controls. Connections to the; C controls to J1 as shown in; C Controls to JP3; jacks, taking care to observe marked polarity.
- Page 10 – Table 1. Bill of Materials for TPA2028D1YZFEVM
- Page 12 – Copyright © 2009, Texas Instruments Incorporated
User's Guide
SLOU283 – February 2010
TPA2028D1YZFEVM
Contents
1
Introduction
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2
Operation
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3
TPA2028D1YZFEVM Schematic
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4
TPA2028D1YZFEVM PCB Layers
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5
TPA2028D1YZFEVM Parts List
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List of Figures
1
Place Shunts Horizontally Across SDA and SCL
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2
Found New Hardware Wizard Advisory Screen
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3
Starting the Software
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4
Software Interface
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5
Connect I
2
C Controls to JP3
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6
TPA2028D1YZFEVM – YZF-Device Schematic, Page 1
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7
TPA2028D1YZFEVM – YZF-Device Schematic, Page 2
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8
TPA2028DYZF1EVM – YZF-Device Top Layer
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9
TPA2028D1YZFEVM – YZF-Device Bottom Layer
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List of Tables
1
Bill of Materials for TPA2028D1YZFEVM
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1
Introduction
1.1
Description
The TPA2028D1 is a mono, filter-free Class-D audio power amplifier with automatic gain control (AGC),
dynamic range compression (DRC) and I
2
C digital volume control. The AGC and DRC functions enhance
the perceived audio loudness, and at the same time prevent speaker damage from overdrive. The
TPA2028D1 has independent software shutdown control and a 30-step volume control. Availability in the
WCSP package makes TPA2028D1 an ideal choice for both cellular handsets and PDAs.
The TPA2028D1 evaluation module (EVM) is a complete, stand-alone audio board. It contains the
TPA2028D1 WCSP (YZF) Class-D audio power amplifier.
All components and the EVM are Pb free.
Windows is a trademark of Microsoft Corporation.
1
SLOU283 – February 2010
TPA2028D1YZFEVM
Copyright © 2010, Texas Instruments Incorporated
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Summary
Operation www.ti.com 1.2 TPA2028D1YZFEVM Specifications V DD Supply voltage range –0.3 V to 6 V I DD Supply current 2 A Maximum P o Continuous output power per channel, 8 Ω , Vdd = 5.0 V, THD + N = 10% 1.7 W V I Audio Input Voltage 0.5 V to V DD - 0.5 V RL Minimum load impedance 8 Ω 2 Operation The ...
www.ti.com Operation 5. Powering the EVM: • The EVM can be powered via USB connection or by external power supply: (a) Via USB power: Install shunt for USBPWR if USB power is used.(b) External power supply: connect an external regulated power supply adjusted for 2.5 V–5.5 V to the VDD and GND banana...
Operation www.ti.com 2.1.3 Using the Software 1. Start the TPA2028D1 Interface by clicking the Start menu and clicking on the TPA2028D1 Interface icon. Figure 3. Starting the Software 2. The TPA2028D1 software interface is as shown in Figure 4 . 4 TPA2028D1YZFEVM SLOU283 – February 2010 Submit Docum...
