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.

Key Features

  • Equipped with gain amplifier for microphone
  • Equipped with wind noise filter
  • Equipped with a 5 Step notch filter | Supports gain switching during operation.

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
Replacement P/N

                                

Block Diagram

Block Diagram