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TAS5754M Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5754M Datasheet(HTML) 1 Page - Texas Instruments |
1 / 127 page 0 5 10 15 20 25 30 35 40 45 50 4 6 8 10 12 14 16 18 20 22 24 PVDD (V) Inst Power, Rspk = 8 Cont Power, Rspk = 8 Inst Power, Rspk = 6 Cont Power, Rspk = 6 Inst Power, Rspk = 4 Cont Power, Rspk = 4 C036 Closed Loop Stereo Class D Amplifier HybridFlow Processing miniDSP Core High Performance Stereo DAC 001100 1101 Software Control Port Hardware Control Port Low-Voltage Supply Domain High Voltage Supply Domain PWM Modulator Power Stage DVDD PVDD Serial Audio In Analog Audio Out I²C Communication GPIO/Status Serial Audio Out Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TAS5754M SLAS987 – JUNE 2014 Digital Input, Closed-Loop Class-D Amplifier with HybridFlow Processing 1 Features 3 Description The TAS5754M device is a high-performance, stereo 1 • Flexible Audio I/O Configuration closed-loop amplifier with integrated audio processor – Supports I2S, TDM, LJ, RJ Digital Input with PurePath™ HybridFlow architecture. To convert – 8 kHz to 192 kHz Sample Rate Support from digital to analog, it uses a high performance DAC with Burr-Brown® mixed signal heritage. It – Stereo Bridge Tied Load (BTL) or Mono requires only two power supplies: one DVDD for low- Parallel Bridge Tied Load (PBTL) Operation voltage circuitry and one PVDD for high-voltage – BD Modulation with TAS5756M, 1SPW circuitry. It is controlled via a software control port Modulation with TAS5754M using standard I2C communication. In the family, the – Supports 3-Wire Digital Audio Interface (No TAS5756M uses traditional BD modulation, ensuring low distortion characteristics. The TAS5754M uses MCLK required) 1SPW modulation, reducing the idle current draw at • High Performance Closed-Loop Architecture the expense of slightly higher distortion. (PVDD = 12V, RSPK = 8 Ω, SPK_GAIN = 20dBV) The unique HybridFlow architecture allows the – Idle Channel Noise = 62 µVrms (A-Wtd) system designer to choose from several configurable – THD+N = 0.007 % (at 1 W, 1 kHz) DSP programs, specifically designed for use in – SNR = 103 A-Wtd (Ref. to THD+N = 1%) popular audio end equipment such as bluetooth (BT) speakers, sound bars, docking stations, and • PurePath™ HybridFlow Processing Architecture subwoofers. This combines the flexibility of a fully – Several Configurable MiniDSP Programs programmable device with the fast download time (called HybridFlows) and ease of use of a fixed function ROM device. – Download Time <100 ms (typ) An optimal mix of thermal performance and device – Advanced Audio Processing Algorithms cost is provided in the 90 m Ω rDS(on) of the output • Communication Features MOSFETs. Additionally, a thermally enhanced 48- Terminal TSSOP provides excellent operation in the – Software Mode Control via I2C Port elevated ambient temperatures found in modern – Two Address Select Pins – Up to 4 Devices consumer electronic devices. • Robustness and Reliability Features Device Information(1) – Clock Error, DC, and Short-Circuit Protection PART NUMBER PACKAGE BODY SIZE (NOM) – Over Temperature and Overcurrent Protection TAS5754M TSSOP (48) 12.05 mm × 6.10 mm 2 Applications (1) For all available packages, see the orderable addendum at the end of the datasheet. • LCD/LED TV and Multi-Purpose Monitors • Sound Bars, Docking Stations, PC Audio • Wireless Subwoofers, Bluetooth and Active Speakers Figure 1. Simplified Block Diagram Figure 2. Power at 10% THD+N vs PVDD Note: Tested on TAS5754M-56MEVM. 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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