The AK4205 is a stereo headphone amplifier corresponding to high resolution with built-in analog switch for Hi-Fi mobile. The AK4205 achieves industry’s leading level ultra-low noise and ultra-low distortion characteristics (THD+N = -118dB). The AK4205 is available in a small 36-pin QFN package. It can save the mounting area of the board by including resisto.
1. Headphone Amplifier
Full-differential Input
Built-in Resistors for Gain Adjustment: Fixed to +0.5 dB @1 kHz
2nd order Low-pass Filter
Ultra-Low Noise: S/N 124dB
Ultra-Low Distortion: THD+N -118 dB @32 Ω, 34 mW
THD+N -120 dB @600 Ω, 6.7 mW 2. Analog Switch
Selector Switch for Hi-Fi Audio path and Auxiliary path
Ultra-Low Distortion: THD -124dB@32 Ω, 34 mW
2 .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | AK4201 |
Asahi Kasei Microsystems |
Stereo Cap-less HP-Amp | |
2 | AK4203 |
AKM |
Stereo Cap-less LINE-Amp and Video-Amp | |
3 | AK4204 |
AKM |
Stereo Cap-less LINE-Amp and Video-Amp | |
4 | AK4220 |
Asahi Kasei Microsystems |
7:3 Audio Switch and 6:3 Video Switch | |
5 | AK4223 |
Asahi Kasei Microsystems |
6:2 Audio Switch and 6:2 Video Switch | |
6 | AK4250 |
Asahi Kasei Microsystems |
Output Coupling Capacitor-less Video Amp | |
7 | AK4252 |
Asahi Kasei Microsystems |
Output Coupling Capacitor-less Video Amp | |
8 | AK4254 |
Asahi Kasei Microsystems |
Capacitor-less Video Amp | |
9 | AK4101A |
Asahi Kasei Microsystems |
Quad Outputs 192kHz 24-Bit DIT | |
10 | AK4103 |
Asahi Kasei Microsystems |
192kHz 24-Bit DIT | |
11 | AK4103A |
Asahi Kasei Microsystems |
192kHz 24-Bit DIT | |
12 | AK4104 |
Asahi Kasei Microsystems |
192kHz 24-Bit 3.3V DIT |