TPA3245 Series
115-W stereo, 230-W mono, 12- to 31.5-V supply, analog input Class-D audio amplifier
Manufacturer: Texas Instruments
Catalog(3 parts)
| Part | Voltage - Supply▲▼ | Voltage - Supply▲▼ | Board Type | Max Output Power x Channels @ Load▲▼ | Output Type | Utilized IC / Part | Supplied Contents | Features | Supplier Device Package | Operating Temperature▲▼ | Operating Temperature▲▼ | Mounting Type | Type | Package / Case | Package / Case▲▼ | Package / Case▲▼ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments TPA3245EVMTPA3245 PurePath™ 2-Channel (Stereo) Output Class D Audio Amplifier Evaluation Board | 31.5 V | 14 V | Fully Populated | 115 W, 230 W | 2-Channel (Stereo) | TPA3245 | Board(s) | |||||||||
30 V | 12 V | 115 W, 230 W | 2-Channel (Stereo) | Depop, Short-Circuit and Thermal Protection | 44-HTSSOP | 70 °C | 0 °C | Surface Mount | Class D | 44-PowerTSSOP | 0.006200000178068876 m | 0.006197600159794092 m | ||||
30 V | 12 V | 115 W, 230 W | 2-Channel (Stereo) | Depop, Short-Circuit and Thermal Protection | 44-HTSSOP | 70 °C | 0 °C | Surface Mount | Class D | 44-PowerTSSOP | 0.006200000178068876 m | 0.006197600159794092 m |
Key Features
• Differential Analog InputsTotal Output Power at 10%THD+N115-W Stereo into 4 Ω in BTL Configuration145-W Stereo into 3 Ω in BTL Configuration230-W Mono into 2 Ω in PBTL ConfigurationTotal Output Power at 1%THD+N95-W Stereo into 4 Ω in BTL Configuration115-W Stereo into 3 Ω in BTL Configuration185-W Mono into 2 Ω in PBTL ConfigurationAdvanced Integrated Feedback Design with High-speed Gate Driver Error Correction(PurePath™ Ultra-HD)Signal Bandwidth up to 100 kHz for High Frequency Content From HD SourcesUltra Low 0.005% THD+N at 1 W into 4 Ω and <0.01% THD+N to Clipping65 dB PSRR (BTL, No Input Signal)<50 µV (A-Weighted) Output Noise>112 dB (A Weighted) SNRMultiple Configurations Possible:Stereo, Mono, 2.1 and 4xSEClick and Pop Free Startup and Stop90% Efficient Class-D Operation (4 Ω)Wide 12-V to 30-V Supply Voltage OperationSelf-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short Circuit Protection) With Error ReportingEMI Compliant When Used With Recommended System DesignDifferential Analog InputsTotal Output Power at 10%THD+N115-W Stereo into 4 Ω in BTL Configuration145-W Stereo into 3 Ω in BTL Configuration230-W Mono into 2 Ω in PBTL ConfigurationTotal Output Power at 1%THD+N95-W Stereo into 4 Ω in BTL Configuration115-W Stereo into 3 Ω in BTL Configuration185-W Mono into 2 Ω in PBTL ConfigurationAdvanced Integrated Feedback Design with High-speed Gate Driver Error Correction(PurePath™ Ultra-HD)Signal Bandwidth up to 100 kHz for High Frequency Content From HD SourcesUltra Low 0.005% THD+N at 1 W into 4 Ω and <0.01% THD+N to Clipping65 dB PSRR (BTL, No Input Signal)<50 µV (A-Weighted) Output Noise>112 dB (A Weighted) SNRMultiple Configurations Possible:Stereo, Mono, 2.1 and 4xSEClick and Pop Free Startup and Stop90% Efficient Class-D Operation (4 Ω)Wide 12-V to 30-V Supply Voltage OperationSelf-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short Circuit Protection) With Error ReportingEMI Compliant When Used With Recommended System Design
Description
AI
TPA3245 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath™ Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality. The device is operated in AD-mode, and can drive up to 2 x 115 W into 4-Ω load and 2 x 145 W into 3-Ω load and features a 2 VRMS analog input interface that works seamlessly with high performance DACs such as TI’s PCM5242. In addition to excellent audio performance, TPA3245 achieves both high power efficiency and very low power stage idle losses below 0.45 W. This is achieved through the use of 65 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.
TPA3245 is a high performance class-D power amplifier that enables true premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath™ Ultra-HD). This technology allows ultra low distortion across the audio band and superior audio quality. The device is operated in AD-mode, and can drive up to 2 x 115 W into 4-Ω load and 2 x 145 W into 3-Ω load and features a 2 VRMS analog input interface that works seamlessly with high performance DACs such as TI’s PCM5242. In addition to excellent audio performance, TPA3245 achieves both high power efficiency and very low power stage idle losses below 0.45 W. This is achieved through the use of 65 mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.