User’s Guide October 2000 Mixed-Signal Products SLOU094
IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete.
Preface Related Documentation From Texas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU011) provides detailed information on the evaluation platform and its use with TI audio evaluation modules. TPA0213 2-W MONO AUDIO POWER AMPLIFIER WITH HEADPHONE DRIVE (literature number SLOS276) This is the data sheet for the TPA0213 audio amplifier integrated circuit. FCC Warning This equipment is intended for use in a laboratory test environment only.
iv
Running Title—Attribute Reference Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.
vi
Chapter 1 Introduction This chapter provides an overview of the Texas Instruments (TI) TPA0213 audio amplifier evaluation module (SLOP266). It includes a list of EVM features, a brief description of the module illustrated with a diagram, and a list of EVM specifications. Topic Page 1.1 Feature Highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Feature Highlights 1.1 Feature Highlights The TI TPA0213 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TPA0213 mono 2-W audio power amplifier evaluation module Single channel, bridge-tied load (BTL) or dual-channel single-ended operation 2 W output power into 4 Ω at 5 V, BTL 0.
Description 1.2 Description The TPA0213 audio power amplifier evaluation module is a complete, 2-watt mono audio power amplifier. It consists of the TI TPA0213 mono 2-W audio power amplifier IC along with a small number of other parts mounted on a circuit board that measures approximately 2 1/4 inches by 1 1/2 inches (Figure 1–1). Figure 1–1.
1-4 Introduction
Chapter 2 Operation The quick start lists in this chapter contain steps that can be followed to quickly prepare the TPA0213 mono audio amplifier EVM for use either with the TI plug-n-play audio amplifier evaluation platform or for stand-alone operation. Using the EVM with the TI evaluation platform is a quick and easy way to connect power, signal and control inputs, and signal outputs to the EVM, using standard connectors.
Precautions 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external power connected to VCC power input connector J1, J2, and/or VDD power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in fuses and cause other damage to the platform, installed evaluation modules, and/or the power source.
Quick Start List for Platform 2.2 Quick Start List for Platform Follow these steps when using the TPA0213 EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user’s guide, SLOU011, for additional details). Platform preparations 1) Ensure that all external power sources are set to OFF and that the platform power switch S1 is set to OFF. 2) Install a TPA0213 module in platform socket U2, taking care to align the module pins correctly.
Quick Start List for Platform Evaluation Module Preparations Figure 2–2. Module Preparation VDD GND RIN R5 C6 GND + C2 GND C5 C4 R1 SHUTDOWN S1 R4 + R11 R9 R3 LIN STEREO/MONO C7 U1 R6 MIN GND LO/MO– R12 J1 R7 R2 C8 C1 J2 RO/MO+ TEXAS INSTRUMENTS 2000 R8 R13 R10 SHUTDOWN C3 J3 TPA0213 EVM Board VDD GND GND SLOP266 Table 2–4.
Quick Start List for Stand-Alone 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA0213 EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TPA0213 module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top or the bottom of the module circuit board. Figure 2–3.
Quick Start List for Stand-Alone Evaluation module preparations 6) Set the EVM jumpers as shown in Table 2–5. Table 2–5. Typical TPA0213 EVM Jumper Settings Note: EVM J1 J2 TPA0213 ON ON ON = Shunt installed OFF = Open EVM jumpers J1 and J2 allow the MONO-IN input pin to be driven from either the MIN test point or from a combination of the left and right channel inputs. The four possible configurations are shown in Table 2–6. Table 2–6.
Stand-Alone Connection Diagrams 2.4 Stand-Alone Connection Diagrams The power supply range is 4.5 V to 5.5 V and isolated RO/MO+ and LO/MO– lines for BTL operation are required. Note that the shutdown signal applied to the EVM SHUTDOWN pin must be able to supply enough current to overcome the pullup resistor on the module (100 kΩ). 2.4.1 TPA0213 Mono EVMs Connected for Stereo BTL Output Figure 2–4 shows two TPA0213 EVMs connected for stereo BTL operation. Figure 2–4.
Stand-Alone Connection Diagrams 2.4.2 TPA0213 Mono EVM Connected for Single-Ended Stereo Headphone Output Figure 2–5 shows a TPA0213 EVM connected for single-ended stereo headphone operation. Figure 2–5.
Reference 2.5 Reference This section includes the TPA0213 EVM schematic, the EVM parts list, and the module PCB layers. 2.5.1 EVM Schematic Figure 2–6 shows the TPA0213 EVM schematic. Figure 2–6. TPA0213 EVM Schematic Diagram R5 12 kΩ LIN C2 0.47 µF TPA0213 C6 0.47 µF R6 30 kΩ J2 S1 R7 30 kΩ R1 NO 100 kΩ R8 50 kΩ MIN 2 SD 3 VDD 4 C4 1 µF LO/MO – LIN GND BYPASS ST/M RIN C5 0.47 µF VDD C3 10 µF 1 5 R9 12 kΩ RIN GND MIN C1 0.
Reference 2.5.2 EVM Parts List Table 2–9 is the TPA0213 EVM parts list. Table 2–9. TPA0213 EVM Parts List Ref. Description Size EVM Qty. Manufacturer/ Part Number Vendor Number C4 Capacitor, 1 µF @ 16 V, +80%/–20%, nonpolarized 1206 1 Murata GRM42-6Y5V105Z16BL C1, C2, C5, C6 Capacitor, 0.47 µF @ 16 V +80%/–20%, nonpolarized 0805 4 Murata GRM40-Y5V474Z16 C3 Capacitor, 10 µF @ 6.3 V A 1 Panasonic ECS–TOJY106R C7, C8 Capacitor, 220 µF @ 10 V 7.3 mm (L) 4.
Reference 2.5.3 Module PCB Layers The following illustrations depict the TPA0213 EVM PCB layers and silkscreen. These drawings are not to scale. Gerber plots can be obtained from any TI Sales Office. Figure 2–7. TPA0213 EVM PCB VDD RO/MO+ Instruments R5 RIN J2 STEREO/MONO 2000 + J1 R2 U1 R12 R7 R11 R9 R6 MIN C7 + C8 C1 GND Texas R8 C6 GND GND C2 R4 LIN C5 SHUTDOWN S1 C4 R3 R1 R10 R13 GND SHUTDOWN LO/MO– C3 J3 VDD TPA0213 EVM Board GND GND SLOP266 Figure 2–8.
Reference Figure 2–9. TPA0213 EVM Top Layer Note: All open areas are solid copper ground planes. Figure 2–10. TPA0213 EVM Bottom Layer Note: 2-12 All open areas are solid copper ground planes.
