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Summary of Contents for Texas Instruments TPA0233
- Page 1 TPA0233 Audio Power Amplifier Evaluation Module User’s Guide December 2000 Mixed-Signal Products SLOU098...
- Page 2 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. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability.
- Page 3 SLOU011) provides detailed information on the evaluation platform and its use with TI audio evaluation modules. TPA0233 2-W Mono Audio Power Amplifier With Headphone Drive (literature number SLOS278) This is the data sheet for the TPA0233 audio amplifier integrated circuit.
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Page 5: Table Of Contents
TPA0233 EVMs Connected for Stereo BTL Output 2.4.2 TPA0233 EVM Connected for SE Stereo Headphone Output Reference .............. -
Page 7: Introduction
This chapter provides an overview of the Texas Instruments (TI) TPA0233 audio amplifier evaluation module (SLOP268). It includes a list of EVM features, a brief description of the module illustrated with a pictorial diagram, and a list of EVM specifications. -
Page 8: Feature Highlights
Feature Highlights 1.1 Feature Highlights The TI TPA0233 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TPA0233 mono 2-W audio power amplifier with stereo headphone drive evaluation module Single channel, bridge-tied load (BTL) or dual-channel single-ended... -
Page 9: Description
The TPA0233 audio power amplifier evaluation module is a complete 2-watt mono audio power amplifier with stereo headphone drive. It consists of the TI TPA0233 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). - Page 10 Introduction...
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Page 11: Operation
Quick start lists in this chapter contain steps that can be followed to quickly prepare the TI plug-n-play audio amplifier evaluation platform for use with the TPA0233 audio amplifier EVM, or to connect the TPA0233 audio amplifier EVM for stand-alone operation. -
Page 12: Precautions
2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external power connected to V 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. -
Page 13: Quick Start List For Platform
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 TPA0233 module in platform socket U2, taking care to align the module pins correctly. 3) Use switch S2 to select or bypass the signal conditioning EVM (U1). -
Page 14: Quick Start List For Stand-Alone
2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA0233 EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TPA0233 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. -
Page 15: Stand-Alone Connection Diagrams
(100 k ) when the pin is held low. 2.4.1 TPA0233 EVMs Connected for Stereo BTL Output Figure 2–3 shows two TPA0233 EVMs connected for stereo BTL operation. Figure 2–3. TPA0233 EVMs Connected for Stereo BTL Output Audio Input... -
Page 16: Tpa0233 Evm Connected For Single-Ended Stereo Headphone Output
2.4.2 TPA0233 EVM Connected for Single-Ended Stereo Headphone Output Figure 2–4 shows a TPA0233 EVM connected for single-ended stereo headphone operation. Figure 2–4. TPA0233 EVM Connected for Single-Ended Stereo Headphone Output Audio Input (Right) Audio Input (Left) TPA0233 EVM Board... -
Page 17: Reference
2.5 Reference This section includes the TPA0233 EVM schematic, the EVM parts list, and the module PCB layers. 2.5.1 EVM Schematic Figure 2–5 shows the TPA0233 EVM schematic. Figure 2–5. TPA0233 EVM Schematic Diagram R2 50 k 0.47 F 12 k... -
Page 18: Evm Parts List
2.5.2 EVM Parts List Table 2–2 is the TPA0233 EVM parts list. Table 2–2. TPA0233 EVM Parts List Ref. Description C1, C4 Capacitor, 1 F @ 16 V, +80%/–20%, nonpolarized C2, C5, Capacitor, 0.47 F @ 16 V +80%/–20%, nonpolarized Capacitor, 10 F @ 6.3 V... -
Page 19: Module Pcb Layers
2.5.3 Module PCB Layers The following illustrations depict the TPA0233 EVM PCB layers and silkscreen. These drawings are not to scale. Gerber plots can be obtained from any TI Sales Office. Figure 2–6. TPA0233 EVM PCB Figure 2–7. TPA0233 EVM Silkscreen... -
Page 20: Tpa0233 Evm Bottom Layer
Figure 2–8. TPA0233 EVM Bottom Layer 2-10...
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