AK4376AECB

Low-Power Advanced 32-Bit DAC with HP-Amp

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Description

Advanced Audio Devices AK4376A
VELVET SOUNDAudio2GoThis 32-bit advanced D/A converter (DAC) with a headphone amplifier is a higher performing solution of the AK4375A that is adopted by many portable audio products since it was launched in 2014. The AK4376A achieves -107dB THD+N and 125dB SNR, the best performance in the field as a compact DAC with headphone amplifier for portable audio products. Reproducible performance of original acoustic sounds is also improved, showing -100dB or better performances in all audible bands. The digital input format corresponds to high resolution sound sources and supports PCM input up to 384 kHz. The AK4376 is housed in an ultra-small 36-pin CSP package (2.74mm x 2.56mm), enabling premium performance in a very small footprint. It is ideal for audio devices with Hi-Fi function such as smartphones, tablets, portable music players and headphones.
●Maximum Sampling Frequency/Resolution:  PCM 384 kHz/32-bit
●S/N (SNR):  125 dB
●Distortion (THD+N):  -107 dB
●Sound Color Digital Filter:  4 types
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Key Features

[Line-up]

32-bit Advanced Stereo D/A Converter with Headphone Amplifier
 Product Name  AK4376AECBAK4376AECB
 Advanced D/A Converter
     with Headphone Amplifier
 
 AK4375AECBAK4375AECB
 Advanced D/A Converter
     with Headphone Amplifier
 
 ● DAC
 32-bit Advanced Stereo D/A Converter
 32-bit Advanced Stereo D/A Converter
   ● Sound Color
 4 Types, 32b-it 8-fold Digital Filters
 - Short Delay Sharp Roll Off, GD=5.5/fs
 - Short Delay Slow Roll-off, GD=4.7/fs
 - Sharp Roll-off
 - Slow Roll-off
 ● Headphone Amplifier  Ground Referenced Class-G Stereo Headphone Amplifier
 - Output Power: 25mW @ 32Ω , 40mW @ 16Ω , THD+N < 0.1%
 - Output Noise Level: -125dBV (Analog Volume < -14dB)
 - Analog Volume: +6 to -20dB & Mute, 2dB Step
 - Ground Loop Noise Canceling
 Ground Referenced Class-G Stereo Headphone Amplifier
 - Output Power: 25mW @ 32Ω, 40mW @ 16Ω, THD+N < 0.1%
 - Output Noise Level: -119dBV (Analog Volume < -14dB)
 - Analog Volume: +6 to -40dB & Mute, 2dB Step
 - Ground Loop Noise Canceling
   ● DR, S/N  125dB
 110dB
   ● THD+N  -107dB  -99dB
 ● Digital Audio Interface  Sampling Rate: 384 kHz (max)
 Master/Slave Mode
 Sampling Rate: 192 kHz (max)
 Master/Slave Mode
 ● SRC
 Not Available  Asynchronous Sampling Rate Converter:
 - Up-sampling: 6 times - Down-sampling: 1/6 times
 ● Low Jitter PLL
 Available
 ● Crystal Oscillator  Available
 ● Power Management Function
 Available
 ● Resolution
 32-bit
 ● Number of Channel  2ch
 ● Microcomputer Interface  I2C (400kHz)
 ● VELVET SOUND Technology   ・Switched Capacitor Filter
  ・OSRD (Over Sampling Ratio Doubler) Technology
 ● Power Consumption
 36.6 / 13.7mW (HP Mode / LP Mode, fs=44.1kHz)
 9.5mW (fs= 44.1kHz)
 ● Power Supply
 ・ AVDD (DAC, PLL): 1.7 to 1.9V
 ・ CVDD (HP-Amp, Charge Pump): 1.7 to 1.9V
 ・ LVDD (LDO2 for Digital Core): 1.7 to 1.9V (built-in LDO)
 ・ TVDD (Audio I/F): 1.65 to 3.6V
 ● Operation Temperature  -40 to 85°C
 ● Package  36-pin CSP (2.74mm x 2.56mm, 0.4mm pitch)  36-pin CSP (2.37mm x 2.62mm, 0.4mm pitch)
 ● Sales Start
 Dec. 2015  Aug. 2014

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