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AK4370

AKM
Part Number AK4370
Manufacturer AKM
Description 24-Bit 2ch DAC
Published Aug 8, 2016
Detailed Description [AK4370] AK4370 24-Bit 2ch DAC with HP-AMP & Output Mixer GENERAL DESCRIPTION The AK4370 is a 24-bit DAC with headphone ...
Datasheet PDF File AK4370 PDF File

AK4370
AK4370

Overview
[AK4370] AK4370 24-Bit 2ch DAC with HP-AMP & Output Mixer GENERAL DESCRIPTION The AK4370 is a 24-bit DAC with headphone amplifier.
The AK4370 features an analog mixing circuit that allows easy interfacing in mobile phone and portable communication designs.
The integrated headphone amplifier features “pop-noise free” power-on/off, a mute control, and it delivers 40mW of power into 16.
The AK4370 is packaged in a 24-pin QFN (4mm×4mm) package, ideal for portable applications.
FEATURE  Multi-bit  DAC  Sampling Rate - 8kHz  48kHz  On chip perfect filtering 8 times FIR interpolator - Passband: 20kHz - Passband Ripple: 0.
02dB - Stopband Attenuation: 54dB  Digital De-emphasis Filter: 32kHz, 44.
1kHz and 48kHz  System Clock - 256fs/384fs/512fs/768fs/1024fs - Input Level: AC Couple Input Available  Audio I/F Format: MSB First, 2’s Complement - I2S, 24bit MSB justified, 24bit/20bit/16bit LSB justified - Master/Slave Mode  Digital Mixing: LR, LL, RR, (L+R)/2  Bass Boost Function  Digital ATT  Analog Mixing Circuit: 4 Inputs (Single-ended or Full-differential)  Stereo Lineout - S/N: 90dB@3.
3V - Output Volume: +6 to –24dB (or 0 to –30dB), 2dB step  Headphone Amplifier - Output Power: 40mW x 2ch @16, 3.
3V - S/N: 92dB@3.
3V - Pop Noise Free at Power-ON/OFF and Mute - Output Volume: 0 ~ –63dB & +12/+6/0 dB Gain 1.
5dB step (0 ~ –30dB), 3dB step (–30 ~ –63dB)  P Interface: 3-wire/I2C  Power Supply: 1.
6V  3.
6V  Power Supply Current: 3.
8mA @1.
8V (6.
8mW, DAC+HP, No output)  Ta: 30  85C  Small Package: 24-pin QFN (4mm x 4mm, 0.
5mm pitch)  Register Compatible with AK4368 MS0595-E-02 -1- 2015/11 ■ Block Diagram BICK LRCK SDATA DVDD VSS2 MCKI LIN1/IN LIN2 Audio Interface Clock Divider Digital Volume Bass Boost Deemphasis Digital Filter DAC (Lch) DAC (Rch) AVDD VSS1 VCOM [AK4370] VCOM LOUT ROUT PDN I2C CAD0/CSN SCL/CCLK SDA/CDTI Serial I/F RIN1/IN+ RIN2 Figure 1.
Block Diagram HDP Amp MUTE HDP Amp MUTE HPL HPR HVDD MUTET MS0595-E-02 -2- 2...


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