AK4637VN

MP

24-bit Mono CODEC with HPF, ALC/Eq and MIC/SPK-Amp

24-bit Mono CODEC with HPF, ALC/Eq and MIC/SPK-Amp

MP

Description

The AK4637VN is a low power 24-bit Mono CODEC with a microphone and speaker amplifiers. The AK4637VN supports sampling frequency from 8kHz to 48kHz. It is suitable for a wide range of application from speech signal processing for narrowband, wideband and super wideband to sound signal processing for audio band. The input circuits include a microphone amplifier and a high performance digital ALC (automatic level control) circuit. In addition, the output circuits include a speaker amplifier with 1W output power. It is suitable for various products as well as automotive applications with recording/playback function.
The AK4637VN are available in a small 20-pin QFN (3mm x 3mm, 0.4mm pitch: AK4637VN) package saving mounting area on the board.

Applications

  •                                 Portable equipment with recording , playback function , Drive Recorder , Automotive Communication Module, etc.
                                

Specifications

Part Number AK4637VN
Number of Channels (AD) 1
Number of Channels (DA) 1
Bits [bit] 24
S/N (AD) [dB] 95
S/N (DA) [dB] 94
THD (AD) [dB] -84
THD (DA) [dB] -85
Power Supply Voltage (MIN.) [V] 2.8
Power Supply Voltage (TYP.) [V] 3.3
Power Supply Voltage (MAX.) [V] 5.5
Microphone Amplifier Yes
Speaker Amplifier Monaural
Other SPK-Amp: 1W Output, Automotive grade
Operating Temperature [℃] -40 to 85
Device Package HWQFN
Number of Pins 20

Product Information

Part Status MP
Pb Free Yes
Halogen Free Yes
MSL MSL2
Packaging TAPE
JEDEC Standard Packaging Compliant
Minimum Order Quantity [pcs.] 4000
Recommended Order Quantity 1 [pcs.] 48000
Recommended Order Quantity 2 [pcs.] 8000
Standard Packing Quantity [pcs.] 4000
Replacement P/N

Block Diagram

Block Diagram