Manual do usuário Texas Instruments Audio Power Amplifier TPA2011D1

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User's Guide
SLOU244–December 2009
TPA2011D1 Audio Power Amplifier Evaluation Module
The TPA2011D1 audio power amplifier evaluation module is a complete, low-power, Class-D, mono audio
power amplifier capable of delivering 1.47 W into 8 Ω and 2.57 W into 4 ohms at 1% THD+N (YFF
package). All components and the evaluation module are Pb-free. The TPA2011D1 evaluation module
(EVM) consists of a TPA2011D1 device and all necessary components to evaluate it.
Contents
1 Introduction ...................

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Operation www.ti.com 2.1.1 Power and Ground 1. Ensure that the external power sources are set to OFF. 2. Set the power supply voltage between 2.5 V and 5.5 V. When connecting the power supply to the EVM, attach the ground connection to the GND header pin first, and then connect the positive supply to the VDD header pin. Verify that the connections are made to the correct header pins. 2.1.2 Inputs and Outputs 2.1.2.1 Audio 1. Ensure that the audio source is set to the minimum level. 2. Connect th

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www.ti.com Reference 3 Reference This section includes the EVM PCB layout reference, schematic, and parts list. 3.1 TPA2011D1EVM PCB Layers BD Figure 1. Top Layer DB Figure 2. Bottom Layer 3 SLOU244–December 2009 TPA2011D1 Audio Power Amplifier Evaluation Module Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated

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Reference www.ti.com 3.2 TPA2011D1EVM Schematic Diagram Vdd VDD C3 10ufd/6.3V GND R4 Vdd TPOUT- 1.0K GND C9 4700pfd/50V C4 U1 0.1ufd/16V C1 R2 C10 150K GND 0.1ufd/25V 4700pfd/50V R5 C2 TPOUT+ R3 1.0K IN 150K 0.1ufd/25V JP1 TPA2011D1YFF GND Vdd GND FB1 R100 OUT+ R1 220ohms/2A 0.0 S1 100K FB2 R101 OUT- 220ohms/2A GND 0.0 C7 C8 TVS1 TVS2 DNP DNP 1000pfd/100V 1000pfd/100V GND GND GND GND TOPVIEW STANDOFFS 0.5in 0.5in 0.5in 0.5in A1 A2 A3 GND GND GND GND B1 B2 B3 0.5in 0.5in 0.5in 0.5in C1 C2 C3 Figu

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www.ti.com Related Documentation From Texas Instruments 3.3 TPA2011D1 Audio Power Amplifier Evaluation Module Parts List Table 1. TPA2011D1EVM Parts List Part No. Description Size Qty. Vendor Part Number U1 2.75W STEREO CLASS D AMP WCSP9-YFF 1 Texas Instruments , TPA2011D1YFF ROHS TVS1, TRANSIENT VOLTAGE SUPPRESSION BIDIR 6.1V 2 ST Microelectronics, ESDALC6V1-1BT2 TVS2 9A SOD-882 ROHS C7, C8 CAP SMD0603 CERM 1000PFD 100V 10% X7R 0603 2 Panasonic, PCC1952CT ROHS C1, C2 CAP SMD0603 CERM 0.1UFD 25V

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EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be

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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s terms and conditions of sale supplied at the t