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Part Number Package & Pins VDD Voltage (V)-min VDD Voltage (V)-max Class AB/D IDD, Supply Current (mA) Output Power (W) (RL=4Ω) Output Power (W) (RL=8Ω) Total Harmonic Distortion Plus Noise (%) Output Noise (μV) Signal to Noise Ratio (dB)
ALL
APA3163 TQFP7x7-48P 8 24 D 18 - 16 0.06 150 97
APA3163A TQFP7x7-48P 8 24 D 18 - 16 0.06 150 98
APA3175 TQFP7x7-48P 4.5 24 D 18 - 16 0.06 150 97
APA3176 QFN4x4-28A
TSSOP-28P
8 16 D 18 17 16.5 0.03 30 105
APA3163
Active
20W Stereo Digital Class-D Audio Power Amplifier with EQ and DRC

Features
  • Operating Voltage : 8.0V~24V for PVDD
- 3.0V~3.6V for DVDD and AVDD
  • High Efficiency Class-D Operation Eliminate the Need of Heatsinks
  • Digital Serial Audio Input (Stereo Output)
  • I2C Control Interface
  • Sampling Rate can Support from 32kHz to 192kHz
  • Separated Volume Control from 24dB to Mute
  • Soft Mute (50% Duty Cycle)
  • Programmable Dynamic Range Compression
- Power Limiter
- Speaker Protection
- Night-Mode Listening
  • Programmable Biquads for Speaker EQ
  • Shutdown and Mute Function
  • Thermal and Over-Current Protections with Auto Recovery
  • Space Saving Package TQFP7x7-48P
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APA3163 is a digital input, stereo, high efficiency, Class-D audio amplifier available in a TQFP7x7-48P package. The APA3163 accepts the digital serial audio data and using the digital audio processor to convert the audio data becomes the stereo Class-D output speaker amplifier. This provides the seamless integration between the codec and the speaker amplifier. The APA3163 is a slave device receiving clocks from external source, and the Class-D’s PWM switching frequency is 352.8kHz for the sampling rate 44.1kHz or 384kHz for sampling 48kHz, depend on the input signal’s sampling rate.
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APA3163A
Active
20W Stereo Digital Class-D Audio Power Amplifier with EQ and DRC

Features
  • Operating Voltage : 8.0V~24V for PVDD
- 3.0V~3.6V for DVDD and AVDD
  • High Efficiency Class-D Operation Eliminate the Need of Heatsinks
  • Digital Serial Audio Input (Stereo Output)
  • I2C Control Interface
  • Sampling Rate can Support from 32kHz to 192kHz
  • Separated Volume Control from 24dB to Mute
  • Soft Mute (50% Duty Cycle)
  • Shutdown and Mute Function
  • Thermal and Over-Current Protections with Auto Recovery
  • Space Saving Package TQFP7x7-48P
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APA3163A is a digital input, stereo, high efficiency, Class-D audio amplifier available in a TQFP7x7-48P package. The APA3163A accepts the digital serial audio data and using the digital audio processor to convert the audio data becomes the stereo Class-D output speaker amplifier. This provides the seamless integration between the codec and the speaker amplifier. The APA3163A is a slave device receiving clocks from external source, and the Class-D’s PWM switching frequency is 352.8kHz for the sampling rate 44.1kHz or 384kHz for sampling 48kHz, depend on the input signal’s sampling rate.
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APA3175
Active
20W Stereo Digital Class-D Audio Power Amplifier with EQ and DRC

Features
  • Operating Voltage : 4.5V~24V for PVDD
- 3.0V~3.6V for DVDD and AVDD
  • High Efficiency Class-D Operation Eliminate the Need of Heatsinks
  • Digital Serial Audio Input (Stereo Output)
  • I2C Control Interface
  • Sampling Rate can Support from 32kHz to 192kHz
  • Separated Volume Control from 24dB to Mute
  • Soft Mute (50% Duty Cycle)
  • Programmable Dynamic Range Compression
- Power Limiter
- Speaker Protection
- Night-Mode Listening
  • Programmable Biquads for Speaker EQ
  • Shutdown and Mute Function
  • Thermal and Over-Current Protections with Auto Recovery
  • Space Saving Package TQFP7x7-48P
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APA3175 is a digital input, stereo, high efficiency, Class-D audio amplifier available in a TQFP7x7-48P package. The APA3175 accepts the digital serial audio data and using the digital audio processor to convert the audio data becomes the stereo Class-D output speaker amplifier. This provides the seamless integration between the codec and the speaker amplifier. The APA3175 is a slave device receiving clocks from external source, and the Class-D’s PWM switching frequency is 352.8kHz for the sampling rate 44.1kHz or 384kHz for sampling 48kHz, depend on the input signal’s sampling rate.
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APA3176
Active
Stereo Digital Class-D Amplifier

Features
  • Operating Voltage : 8V-20V for PVDD and AVDD
- 3.0V~3.6V for DVDD
  • High EfficiencyClass-D Operation Eliminate the
  • Need of Heatsinks
  • Digital Serial Audio Input (Stereo Output)
  • I2C Control Interface
  • Sampling Rate can Support from 32kHz to 192kHz
  • Separated Volume Control from 24dB to Mute
  • Soft Mute (50% Duty Cycle)
  • Programmable Dynamic Range Compression
- Power Limiter
- Speaker Protection
  • Shutdown andMute Function
  • Soft Start and Soft Mute
  • Slew Rate limiter
  • Thermal and Over-Current Protections with Auto Recovery
  • Space Saving Package QFN4x4-28A and TSSOP-28P
  • Lead Free and Green Devices Available (RoHS Compliant)

General Description
The APA3176 is a digital input, stereo, high efficiency, Class-D audio amplifier and is available in QFN4x4-28A and TSSOP-28P pins packages. The APA3176 accepts the digital serial audio data and using the digital audio processor to convert the audio data becomes the stereo Class-D output speaker amplifier. This provides the seamless integration between the codec and the speaker amplifier. The APA3176 is a slave device receiving clocks from external source, and the Class-D’s PWM switching frequency is 352.8kHz for the sampling rate 44.1kHz or 384kHz for sampling 48kHz, depend on the input signal’s sampling rate.
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