AK4637EN

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 AK4637EN is a low power 24-bit Mono CODEC with a microphone and speaker amplifiers.  The AK4637EN 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 portable applications with recording/playback function. The AK4637EN are available in a small 20-pin QFN (3mm x 3mm, 0.4mm pitch: AK4637EN) 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

Applications

  •                                 IP Camera, Digital Camera, MFP (Multi Function Printer), IoT etc.
                                

Specifications

Part Number
AK4637EN
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
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.]
5000
Replacement P/N

                                

Block Diagram

Block Diagram