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About AKM
AK4957EN
EOL
Low Power 24-bit 2 ch ADC & 2 ch DAC with ALC / Eq and Mic / SPK / Video-Amp.
Low Power 24-bit 2 ch ADC & 2 ch DAC with ALC / Eq and Mic / SPK / Video-Amp.
EOL
Description
The AK4957EN is a 24-bit stereo CODEC with a microphone, speaker, video amplifiers and LDO. The input circuits include a microphone amplifier and the output circuits include a speaker amplifier. It is suitable for portable application with recording / playback function. A one channel composite In / Out video amplifier is also integrated. The AK4957EN is available in a small 32-pin QFN (4mm x 4mm, 0.4mm pitch), saving mounting area on the board.
Key Features
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Low-power consumption suitable for portable application with recording/playback function
Applications
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Portable equipment with recording / playback function, etc.
Specifications
| Part Number |
AK4957EN |
|---|---|
| Number of Channels (AD) |
2 |
| Number of Channels (DA) |
2 |
| Bits [bit] |
24 |
| S/N (AD) [dB] |
96 |
| S/N (DA) [dB] |
92 |
| THD+N (AD) [dB] |
-85 |
| THD+N (DA) [dB] |
-85 |
| Power Supply Voltage (MIN.) [V] |
2.8 / 1.6 |
| Power Supply Voltage (TYP.) [V] |
3.3 / 1.8 |
| Power Supply Voltage (MAX.) [V] |
3.6 / 2.0 |
| Microphone Amplifier |
Yes |
| Speaker Amplifier |
Monaural |
| Other | |
| Operating Temperature [℃] |
-30 to 85 |
| Device Package |
HWQFN |
| Number of Pins |
32 |
Product Information
| Part Status |
EOL |
|---|---|
| Pb Free |
Yes |
| Halogen Free |
No |
| MSL |
MSL2 |
| Packaging |
TAPE |
| JEDEC Standard Packaging |
Compliant |
| Minimum Order Quantity [pcs.] |
1000 |
| Replacement P/N |
Block Diagram
