产地日本
功能ADC DAC DSP CODEC
品质HIFI音质
运用高端音响
品类音频芯片
AK4377 HiFi Headphone DAC
■ Block Diagram ■ Key Features
■ Development Schedule (CY)
Now
□ Upgrading DAC/Headphone Amplifier Performance
- THD+N: -109 dB @ 16ohm, Po = 25mW
- Dynamic Range: 118 dB
- S/N: 128 dB @ Po = 25mW
- Power Consumption: 60mW
□ Low Power Mode for Saving Battery during Phone Call
- Power Consumption: 20mW
□ Digital Audio interface
- Master/Slave mode
- Sampling Frequency: 8 k to 768 kHz
- I/F Format: 32/24/16-bit I2S/MSB justified
- DSD Support by DoP
□ Headphone Amplifier Output pins Comply
with IEC61000-4-2 Level 4 ESD Protection
□ Headphone Amplifier Output pins EOS Immunity:
DC +9V (via External Resistance 15ohm)
□ Small Package
- 3.082 x 2.893 mm2 36-pin WLCSP
- Backward compatible with AK4376/A
AK4331 Ultra Low-Power HiFi Headphone DAC
■ Block Diagram ■ Key Features
■ Development Schedule (CY)
Dec/2017
□ Ultra Low-Power HiFi Headphone DAC
- THD+N: -97 dB
- S/N: 107 dB
- Output Noise Level: -113 dBV
- Power Consumption: 4.5mW
□ Asynchronous Sample Rate Converter
- Up sample: up to 6x
- 4-type Digital Filter for Sound Color Options
□ Stereo Digital Mic interface
□ Power Management
□ PLL
□ Jitter Cleaner by built-in SRC & X’tal OSC
□ IEC61000-4-2 Level 4 ESD protection compliant
□ Small Package
- 2.371 x 2.533 mm2 36-pin WLCSP
- Pin-to-Pin with AK4375A

AK4528VM
AK4556VT
AK4558EN
AK4613VQ
AK4616VQ
AK4619VN

Vendor AKM CSR Airoha
Part # AK4331 CSR8675 CSR8645 AB1526
Resolution 32-bit 16-bit 16-bit Unknown
Max. fs 192kHz 192kHz 96kHz 96kHz
THD+N -100dB -94dB -92dB -65dB
SNR 109dB 96dB 96dB 94dB
Max. Output Level 894mVRMS
(Single-end)
778mVRMS
(Differential)
778mVRMS
(Differential)
601mVRMS
(Differential)
Current Consumption
(DAC only)
2.4mA 2.6mA
(Estimated)
2.6mA
(Estimated) Unknown

AK4962ECB
AK7604VQ
AK7707VQ
Codec + DSP, easy to design;
Easy to tune by AKM GUI;
Good technical & price support;
Not only HW, but also SW;
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