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
DSP+CODEC AK7755EN
■ Block Diagram ■ Key Features
■ Applications and Target Customers
■ Benefits
■ Product Status (CY)
ES Available
MP Available
Wireless Speaker / Docking Station
Hands Free System / Door phone
□ Programmable DSP 2560step @48kHz processing speed
□ 3ch ADC S/N : 102dB
□ 2ch DAC S/N : 106dB
□ Differential/Single-ended Inputs MIC-Amp
□ Digital MIC Input
□ Single-ended Lineout
□ Analog DRC (Dynamic Range Control)
□ Internal PLL, LDO
□ EEPROM Boot Function (4MAT Selectable)
□ SPI(7MHz), I²C-bus(400kHz Fast-Mode)
□ 36pin QFN (6mm x 6mm)
□ Configurable DSP for Audio/HF Systems
□ Stand-alone Operation from EEPROM
□ AKM’s Unique Full Duplex Hands-free Algorithm
(Wideband Speech)
□ Power management mode to prolong the battery life

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

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

AK7735AVQ
AK7735EQ
AK7736BVQ
AK7738AVQ
AK7739VQ
AK7755EN
AK7758VN
AK7759VN
AK4961ECB
AK7757VQ
AK7736AVQ
AK4679EG
AK7719BECB
AK7719ECB
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