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APA3176

ANPEC
Part Number APA3176
Manufacturer ANPEC
Description 20W Stereo Digital Class-D Amplifier
Published Aug 15, 2020
Detailed Description APA3176 20W Stereo Digital Class-D Amplifier Features General Description • Operating Voltage: 8V-20V for PVDD and A...
Datasheet PDF File APA3176 PDF File

APA3176
APA3176

Overview
APA3176 20W Stereo Digital Class-D Amplifier Features General Description • Operating Voltage: 8V-20V for PVDD and AVDD - 3.
0V~3.
6V for DVDD • 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 • Shutdown and Mute 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) Applications • LCD TV Simplified Application Circuit 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 384 kHz for sampling 48kHz, depend on the input signal’s sampling rate.
Pin Configuration LRCLK 1 SCLK 2 SDIN 3 SDA 4 SCL 5 A_SEL 6 RST 7 GND 8 SD 9 PLL_FT 10 VRDIG_1V8 11 DVDD 12 ERROR 13 REG_5V 14 APA3176 TSSOP-28P GND 28 PVDD_AB 27 PVDD_AB 26 BSA 25 OUTA 24 PGND_AB 23 BSB 22 OUTB 21 OUTC 20 BSC 19 PGND_CD 18 OUTD 17 BSD 16 PVDD_CD 15 AVDD 28 SDA 27 SDIN 26 SCLK 25 LRCLK 24 BSA 23 OUTA 22 PVDD_AB Digital Audio Source I2C Control LRCLK SCLK SDIN OUT_A OUT_B APA3176 SDA SCL OUT_C OUT_D SCL 1 A_SEL 2 RST 3 GND 4 SD 5 PLL_FT 6 VRDIG_1V8 7 APA3176 QFN4x4-28A GND 21 PGND_AB 20 BSB 19 OUTB 18 NC 17 OUTC 16 BSC 15 PGND_CD DVDD 8 ERROR 9 REG_5V 10 AVDD 11 BSD ...


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