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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
AK5374EN
AK5397EQ
AK5522VN
AK5534VN
AK5536VN
AK5538VN
AK5552VN
AK5554VN
AK5556VN
AK5558VN
AK5572EN
AK5574EN
AK5576EN
AK5578EN
AK5701KN
AK5703EN
AK5720VT
AK5730VQ
AK5704EN
AK5706ECB
AK5734VN
AK5736VN
AK4962ECB
AK7604VQ
AK7707VQ
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
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