-
Products
-
Applications
-
Support
-
About AKM
Replacement P/N
AK4637VN
EOL
24-bit Mono CODEC with HPF, ALC / Eq and MIC / SPK-Amp.
24-bit Mono CODEC with HPF, ALC / Eq and MIC / SPK-Amp.
EOL
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+N (AD) [dB] |
-84 |
| THD+N (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 |
EOL |
|---|---|
| Pb Free |
Yes |
| Halogen Free |
Yes |
| MSL |
MSL2 |
| Packaging |
TAPE |
| Moisture Barrier Packaging |
Based on JEDEC J‑STD‑033 guidelines |
| Minimum Order Quantity [pcs.] |
4000 |
| Replacement P/N |
Block Diagram
