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AK4205 fiches techniques PDF

AKM - Ultra Low Noise and Distortion Headphone Amp

Numéro de référence AK4205
Description Ultra Low Noise and Distortion Headphone Amp
Fabricant AKM 
Logo AKM 





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AK4205 fiche technique
[AK4205]
AK4205
Ultra Low Noise and Distortion Headphone Amp with Analog Switch
1. General Description
The AK4205 is a stereo headphone amplifier corresponding to high resolution with built-in analog switch
for Hi-Fi mobile. The AK4205 achieves industrys 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 resistors for gain adjustment and low-pass filter.
Application:
Smartphone
Portable AMP
Digital Media Player
USB DAC
2. Features
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 Vrms Output
Pop & Click Noise Free Switching Control
Built-in Negative Voltage Generator
Mute Function
3. Ta = 40 85C
4. Power Supply:
Positive Power Supply (PVDDA, PVDDB): 6.0 V (typ)
Negative Power Supply (PVEEA, PVEEB): -5.0 V (typ)
Reference Power Supply (RVDD): 6.0 V (typ)
Analog Switch Power Supply (SWVDD): 3.3 V (typ)
5. Package:
36-pin QFN (5 x 5 mm, 0.4 mm pitch)
016012367-E-00
-1-
2016/12

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