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Replacement P/N
AK4637EN
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 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.
Applications
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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+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 |
| 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.] |
5000 |
| Replacement P/N |
Block Diagram
