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TAS5102

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20-W stereo, 8- to 23-V supply, PWM input Class-D audio amplifier

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Data sheet

TAS5102

ACTIVE
Data sheet Order now

Product details

Audio input type PWM Architecture Class-D Speaker channels (max) 4 Rating Catalog Power stage supply (max) (V) 23 Power stage supply (min) (V) 8 Load (min) (Ω) 4 Iq (typ) (mA) 0.01 Control interface Hardware Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 192 Operating temperature range (°C) 0 to 70
Audio input type PWM Architecture Class-D Speaker channels (max) 4 Rating Catalog Power stage supply (max) (V) 23 Power stage supply (min) (V) 8 Load (min) (Ω) 4 Iq (typ) (mA) 0.01 Control interface Hardware Closed/open loop Open Analog supply (min) (V) 3 Analog supply voltage (max) (V) 3.6 Sampling rate (max) (kHz) 192 Operating temperature range (°C) 0 to 70
HTSSOP (DAD) 32 89.1 mm² 11 x 8.1
  • 2×20 W at 10% THD+N Into 8-Ω BTL at 18 V (With Heatsink for TAS5102)
  • 2×15 W at 10% THD+N Into 8-Ω BTL at 15.5 V for TAS5103
  • 2×10 W at 10% THD+N Into 8-Ω BTL at 13 V
  • >100-dB SNR (A-Weighted)
  • <0.1% THD+N at 1 W
  • Thermally Enhanced Package: 32-pin HTSSOP
    • DAD (TAS5102) Pad Up
    • DAP (TAS5103) Pad Down
  • High-Efficiency Power Stage (>90%) With 180-Ω Output MOSFETs
  • Wide PVDD Range from 8V to 23V
  • Power-On Reset for Protection on Power Up Without Any Power-Supply Sequencing
  • Integrated Self-Protection Circuits Including Undervoltage, Overtemperature, Overcurrent, Short Circuit
  • Built-In Regulator for Gate Drive Supply
  • Error Reporting
  • EMI Compliant When Used With Recommended System Design
  • APPLICATIONS
    • Televisions
    • Mini/Micro Audio Systems
    • DVD Receivers
    • Home Theaters
  • 2×20 W at 10% THD+N Into 8-Ω BTL at 18 V (With Heatsink for TAS5102)
  • 2×15 W at 10% THD+N Into 8-Ω BTL at 15.5 V for TAS5103
  • 2×10 W at 10% THD+N Into 8-Ω BTL at 13 V
  • >100-dB SNR (A-Weighted)
  • <0.1% THD+N at 1 W
  • Thermally Enhanced Package: 32-pin HTSSOP
    • DAD (TAS5102) Pad Up
    • DAP (TAS5103) Pad Down
  • High-Efficiency Power Stage (>90%) With 180-Ω Output MOSFETs
  • Wide PVDD Range from 8V to 23V
  • Power-On Reset for Protection on Power Up Without Any Power-Supply Sequencing
  • Integrated Self-Protection Circuits Including Undervoltage, Overtemperature, Overcurrent, Short Circuit
  • Built-In Regulator for Gate Drive Supply
  • Error Reporting
  • EMI Compliant When Used With Recommended System Design
  • APPLICATIONS
    • Televisions
    • Mini/Micro Audio Systems
    • DVD Receivers
    • Home Theaters

The TAS5102/TAS5103 are integrated stereo digital amplifier power stages with an advanced protection system. The TAS5102/TAS5103 are capable of driving an 8-Ω bridge-tied load (BTL) at up to 20 W/15 W per channel with low integrated noise at the output, low THD+N performance, and low idle power dissipation.

A low-cost, high-fidelity audio system can be built using a TI chipset, comprising a modulator (e.g., TAS5086) and the TAS5102/TAS5103. This system only requires a simple passive LC demodulation filter to deliver high-quality, high-efficiency audio amplification with proven EMI compliance. These devices require two power supplies, at 3.3 V for VREG, and up to 23 V for PVDD. The TAS5102/TAS5103 does not require power-up sequencing due to internal power-on reset. The efficiency of this digital amplifier is greater than 90% into 8 Ω, which enables the use of smaller power supplies and heatsinks.

The TAS5102/3 has an innovative protection system integrated on chip, safeguarding the device against a wide range of fault conditions that could damage the system. These safeguards are short-circuit protection, overcurrent protection, undervoltage protection, and overtemperature protection. The TAS5102/TAS5103 has a new proprietary current-limiting circuit that reduces the possibility of device shutdown during high-level music transients.

The TAS5102/TAS5103 are integrated stereo digital amplifier power stages with an advanced protection system. The TAS5102/TAS5103 are capable of driving an 8-Ω bridge-tied load (BTL) at up to 20 W/15 W per channel with low integrated noise at the output, low THD+N performance, and low idle power dissipation.

A low-cost, high-fidelity audio system can be built using a TI chipset, comprising a modulator (e.g., TAS5086) and the TAS5102/TAS5103. This system only requires a simple passive LC demodulation filter to deliver high-quality, high-efficiency audio amplification with proven EMI compliance. These devices require two power supplies, at 3.3 V for VREG, and up to 23 V for PVDD. The TAS5102/TAS5103 does not require power-up sequencing due to internal power-on reset. The efficiency of this digital amplifier is greater than 90% into 8 Ω, which enables the use of smaller power supplies and heatsinks.

The TAS5102/3 has an innovative protection system integrated on chip, safeguarding the device against a wide range of fault conditions that could damage the system. These safeguards are short-circuit protection, overcurrent protection, undervoltage protection, and overtemperature protection. The TAS5102/TAS5103 has a new proprietary current-limiting circuit that reduces the possibility of device shutdown during high-level music transients.

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* Data sheet 20-W/15-W Stereo Digital Amplifier Power Stage datasheet (Rev. A) 09 Jun 2008

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