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
AKM Corporate Profile
AKM Audio Market Voice
Premium Audio DAC
Smartphone HiFi DAC
BT Headphone
Wireless Speaker
New Solutions for AI Speaker
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

AK4962ECB
AK7604VQ
AK7707VQ

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
Part Number
AK4940VN
Number of Channels (AD)
1
Number of Channels (DA)
1
Bits [bit]
24
S/N (AD) [dB]
90
S/N (DA) [dB]
90
THD+N (AD) [dB]
-80
THD+N (DA) [dB]
-80
Power Supply Voltage (MIN.) [V]
3
Power Supply Voltage (TYP.) [V]
Power Supply Voltage (MAX.) [V]
3.6
Microphone Amplifier
Yes
Speaker Amplifier
Other
Analog Direct Path, Automotive grade
Operating Temperature [℃]
-40 to 105
Device Package
HWQFN
Number of Pins
24
http://qq1299968664.b2b168.com