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
Specification summary of AK5704
Low Power/High SNR 4-ch ADC
- fs ~192kHz
- 9mW@2ch
- SNR 102dB
□ Very Low Power
Analog Voice Activity Detector
□ Digital MIC Interface (4-ch)
□ Digital Audio Interface
- TDM mode
- Cascade connection (max 16-ch)
□ Mic Sensitivity Adjustment
□ Delay Control
□ Programmable Filter
- HPF/LPF
- 5-band EQ (Notch)
- ALC
- DRC
□ PLL
□ Control Interface
- I2C-bus
□ Package: 40-pin WLCSP

AK4962ECB
AK7604VQ
AK7707VQ

AK5374EN
AK5397EQ
AK5522VN
AK5534VN
AK5536VN
AK5538VN
AK5552VN
AK5554VN
AK5556VN
AK5558VN
AK5572EN
AK5574EN
AK5576EN
AK5578EN
AK5701KN
AK5703EN
AK5720VT
AK5730VQ
AK5704EN
AK5706ECB
AK5734VN
AK5736VN

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
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