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The AK4950 is a 24bit stereo CODEC with a microphone, speaker and headphone amplifiers. 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. The integrated charge pump generates an internal negative power supply rail and removes the out.
1. Recording Functions
• Stereo Single-ended input with two Selectors
• MIC Amplifier (+24dB/+21dB/+18dB/+16dB/+14dB/+11dB/+8dB/+5dB/0dB)
• Digital ALC (Automatic Level Control)
(Setting Range: +35.625dB ∼ −54dB, 0.375dB Step)
• ADC Performance: S/(N+D): 83dB, DR, S/N: 88dB (.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | AK4951 |
AKM |
24bit Stereo CODEC |
|
| 2 | AK4951A |
AKM |
24bit Stereo CODEC |
|
| 3 | AK4953A |
AKM |
24bit Stereo CODEC |
|
| 4 | AK4954A |
AKM |
32bit Stereo CODEC |
|
| 5 | AK4955 |
AKM |
24bit Stereo CODEC |
|
| 6 | AK4958 |
AKM |
24bit Stereo CODEC |
|
| 7 | AK491024G |
ACCUTEK |
1048576 Word x 9 Bit CMOS Dynamic Random Access Memory |
|
| 8 | AK491024S |
ACCUTEK |
1048576 Word x 9 Bit CMOS Dynamic Random Access Memory |
|
| 9 | AK4940 |
AKM |
24-bit Mono CODEC |
|
| 10 | AK4961 |
AKM |
Low-Power CODEC |
|
| 11 | AK4962 |
AKM |
Low-Power CODEC |
|
| 12 | AK4101A |
Asahi Kasei Microsystems |
Quad Outputs 192kHz 24-Bit DIT |
|