TAS5708PHPR
Active20-W STEREO, 10- TO 26-V SUPPLY, DIGITAL INPUT, CLOSED LOOP CLASS-D AUDIO AMPLIFIER W/ EQ & DRC
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TAS5708PHPR
Active20-W STEREO, 10- TO 26-V SUPPLY, DIGITAL INPUT, CLOSED LOOP CLASS-D AUDIO AMPLIFIER W/ EQ & DRC
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Technical Specifications
Parameters and characteristics for this part
| Specification | TAS5708PHPR |
|---|---|
| Features | I2S, Shutdown, I2C, Volume Control, Short-Circuit and Thermal Protection, Digital Inputs, Depop, Mute |
| Max Output Power x Channels @ Load | 2 channels, 8 Ohm, 20.2 W |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 85 C |
| Operating Temperature [Min] | 0 °C |
| Output Type | 2-Channel (Stereo) |
| Package / Case | 48-PowerTQFP |
| Supplier Device Package | 48-HTQFP (7x7) |
| Type | Class D |
| Voltage - Supply [Max] | 26 V |
| Voltage - Supply [Min] | 10 VDC |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 7.58 | |
| Digi-Reel® | 1 | $ 7.58 | ||
| Tape & Reel (TR) | 1000 | $ 4.30 | ||
| 2000 | $ 4.14 | |||
| Texas Instruments | LARGE T&R | 1 | $ 6.67 | |
| 100 | $ 5.44 | |||
| 250 | $ 4.28 | |||
| 1000 | $ 3.63 | |||
Description
General part information
TAS5708 Series
The TAS5708 is a 20-W, efficient, digital audio power amplifier for driving stereo bridge-tied speakers. A 32-bit datapath eliminates the need for pre-scaling before processing and preserves signal integrity without sacrificing dynamic range. A digital audio processor with fully programmable digital filters allows designers to custom tune speakers for optimum sound in small enclosures. A programmable DRC can adjust power levels for a scaleable design while also enabling night-mode listening modes.
The closed-loop architecture allows the device to operate from poorly regulated supplies. Figure 1 below shows the benefit of the feedback architecture when a noisy supply (1kHz, 500mVpp ripple) modulates a 10kHz audio input. The figure shows a 40dB improvement in sideband suppression when compared to an open-loop design. This correlates directly to a 24dB improvement in distortion as seen in Figure 2.
The TAS5708 is a 20-W, efficient, digital audio power amplifier for driving stereo bridge-tied speakers. A 32-bit datapath eliminates the need for pre-scaling before processing and preserves signal integrity without sacrificing dynamic range. A digital audio processor with fully programmable digital filters allows designers to custom tune speakers for optimum sound in small enclosures. A programmable DRC can adjust power levels for a scaleable design while also enabling night-mode listening modes.
Documents
Technical documentation and resources
