TAS5782M Texas instruments

TAS5782M

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TAS5782M

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Описание

The TAS5782M device is a high-performance, stereo closed-loop Class-D amplifier with integrated audio processor with up to 96-kHz architecture. To convert from digital to analog, the device uses a high performance DAC with Burr Brown™ audio technology. It requires only two power supplies: one DVDD for low-voltage circuitry and one PVDD for high-voltage circuitry. It is controlled by a software control port using standard I2C communication. An optimal mix of thermal performance and device cost is provided in the 90 mΩ rDS(on) of the output MOSFETs. Additionally, a thermally enhanced 48-Pin TSSOP provides excellent operation in the elevated ambient temperatures found in modern consumer electronic devices.

Flexible Audio I/O Configuration
- Supports I²S, TDM, LJ, RJ Digital Input
- Sample Rate Support
- BD Amplifier Modulation
- Supports 3-Wire Digital Audio Interface (No MCLK required)
High-Performance Closed-Loop Architecture (PVDD = 12 V, R_SPK = 8 Ω, SPK_GAIN = 20 dB)
- Closed-Loop = reduced component count/ smaller solution size
- Idle Channel Noise = 62 µVrms (A-Wtd)
- THD+N = 0.2% (at 1 W, 1 kHz)
- SNR = 103dB A-Wtd (Ref. to THD+N = 1%)
Flexible Processing Features
- 15 BiQuads / SmartEQ
- 2 x 5 BiQuads for X-Over / EQ
- 3-Band Advanced DRC + AGL
- Dynamic EQ and SmartBass
- Sound Field Spatializer (SFS)
- 96-kHz Processor Sampling
Communication Features
- Software Mode Control via I²C Port
- Two Address Select Pins – Up to 4 Devices
Robustness and Reliability Features
- Clock Error , DC, and Short-Circuit Protection
- Overtemperature and Overcurrent Protection

Audio input type	Digital Input
Architecture	Class-D, Smart Amp
Speaker channels (max)	Stereo
Rating	Catalog
Power stage supply (max) (V)	26.4
Power stage supply (min) (V)	4.5
Load (min) (Ω)	3
Output power (W)	40
SNR (dB)	103
THD + N at 1 kHz (%)	0.2
Iq (typ) (mA)	81.3
Control interface	Software
Closed/open loop	Closed
Analog supply (min) (V)	4.5
Analog supply (max) (V)	26.4
Sampling rate (max) (kHz)	96
Operating temperature range (°C)	-25 to 85