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Texas Instruments TPA2012D2 manual

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Table of contents for the manual

  • Page 1

    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 [...]

  • Page 2

    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 Power Note: The dashed portion [...]

  • Page 3

    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 that each channel can be controlled separately. The s[...]

  • Page 4

    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[...]

  • Page 5

    www.ti.com 3.2 TPA2012D2 EVM Schematic Diagram C8 C7 C6 VDD VDD R4 120 k  R3 120 k  VDD INL+ C12 10  F C9 10  F (Not Populated) GAIN1 GAIN0 VDD VDD C10 1  F C1 1 0.1  F OUTL+ L4 L3 L2 L1 OUTL+ PVDD A VDD G0 G1 OUTL− OUTR− OUTR+ PGND AGND SDL SDR INR+ INR− INL− INL+ U1 C4 1 nF OUTL− C3 1 nF OUTR− C2 1 nF OUTR+ C1 1 nF V[...]

  • Page 6

    www.ti.com 3.3 TPA2012D2 Audio Power Amplifer Evaluation Module Parts List 4 Related Documentation From Texas Instruments Related Documentation From Texas Instruments Table 2. TPA2012D2 EVM Parts List Part No. Description Size Qty. Vendor Part Number C1-C4 Capacitor, Ceramic, 1 nF, 50V, X7R 0402 4 TDK C1005X7R1H102 C5-C8, C10 Capacitor, Ceramic, 1 [...]

  • Page 7

    FCC Warnings This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency inter[...]

  • Page 8

    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[...]