TPA3255TDDVRQ1
Audio Amplifiers Automotive, 315-W, 2-ch, 18- to 53.5-V supply analog input Class-D audio amplifier 44-HTSSOP -40 to 105
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Part Number : TPA3255TDDVRQ1
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Package/Case : HTSSOP-44
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Brands : TI
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Components Categories : Audio Amplifiers
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Datesheet : TPA3255TDDVRQ1 DataSheet (PDF)
Overview of TPA3255TDDVRQ1
TPA3255-Q1 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 315 W into 4-Ω load at 10% THD and 2 x 150 W unclipped into 8-Ω load and features a 2-VRMS analog input interface that works seamlessly with high performance DACs such as TIs PCM5242. In addition to excellent audio performance, TPA3255-Q1 achieves both high power efficiency and very low power stage idle losses below 2.5W. This is achieved through the use of 85-mΩ MOSFETs and an optimized gate driver scheme that achieves significantly lower idle losses than typical discrete implementations.
Key Features
- AEC-Q100 Qualified for Automotive Applications
- Temperature Grade 2: –40°C to +105°C, TA
- Differential Analog Inputs
- Total Output Power at 10% THD+N
- 315-W Stereo into 4 Ω in BTL Configuration
- 180-W Stereo into 8 Ω in BTL Configuration
- 600-W Mono into 2 Ω in PBTL Configuration
- Total Output Power at 1% THD+N
- 255-W Stereo into 4 Ω in BTL Configuration
- 150-W Stereo into 8 Ω in BTL Configuration
- 495-W Mono into 2 Ω in PBTL Configuration
- Advanced Integrated Feedback Design with High-speed Gate Driver Error Correction
- Signal Bandwidth up to 100 kHz for High Frequency Content From HD Sources
- Ultra Low 0.006% THD+N at 1 W into 4 Ω and <0.01% THD+N to Clipping
- >65 dB PSRR (BTL, 1 kHz, No Input Signal)
- <85 µV (A-Weighted) Output Noise
- >111 dB (A Weighted) SNR
- Multiple Configurations Possible:
- Stereo, Mono, 2.1 and 4xSE
- Click and Pop Free Startup and Stop
- 90% Efficient Class-D Operation (4 Ω)
- Wide 18-V to 53.5V Supply Voltage Operation
- Self-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short Circuit Protection) With Error Reporting
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Status | Active | Type | 1-Channel Mono or 2-Channel Stereo |
| Output Type | 4 Half Bridge | Max Output Power x Channels @ Load | 600W x 1 @ 2Ohm; 315W x 2 @ 4Ohm |
| Voltage - Supply | 18V ~ 53.5V | Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TJ) | Grade | Automotive |
| Qualification | AEC-Q100 | Supplier Device Package | 44-HTSSOP |
| Package / Case | HTSSOP-44 | Base Product Number | TPA3255 |
| Manufacturer | Texas Instruments | Product Category | Audio Amplifiers |
| RoHS | Details | Series | TPA3255-Q1 |
| Product | Audio Amplifiers | Class | Class-D |
| Output Power | 315 W, 600 W | Mounting Style | SMD/SMT |
| Audio - Load Impedance | 2 Ohms, 4 Ohms | THD plus Noise | 0.008 % |
| Supply Voltage - Max | 53.5 V | Supply Voltage - Min | 18 V |
| Minimum Operating Temperature | - 40 C | Maximum Operating Temperature | + 105 C |
| Brand | Texas Instruments | Moisture Sensitive | Yes |
| Number of Channels | 4 Channel | Operating Supply Current | 30 mA |
| Product Type | Audio Amplifiers | Shutdown | Shutdown |
| Factory Pack Quantity | 2000 | Subcategory | Audio ICs |
| Unit Weight | 0.011937 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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