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
AK4191EQ
AK4430ET
AK4331ECB
AK4332ECB
AK4377AECB
AK4377ECB
AK4432VT
AK4436VN
AK4438VN
AK4452VN
AK4454VN
AK4456VN
AK4458VN
AK4462VN
AK4468VN
AK4482VT
AK4490EN
AK4490EQ
AK4490REQ
AK4492ECB
AK4493EQ
AK4493SEQ
AK4495EQ
AK4495SEQ
AK4497EQ
AK4498EQ
AK4499EQ
AK4528VM
AK4556VT
AK4558EN
AK4613VQ
AK4616VQ
AK4619VN
AK4962ECB
AK7604VQ
AK7707VQ
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
Codec + DSP, easy to design;
Easy to tune by AKM GUI;
Good technical & price support;
Not only HW, but also SW;
http://qq1299968664.b2b168.com
