AK4205EN Datasheet, PDF (3/25 Pages) Asahi Kasei Microsystems – Ultra Low Noise and Distortion Headphone Amp with Analog Switch

4. Block Diagram
[AK4205]
PVDDA PVEEA
DAC
Ach
NINA
PINA
AVSSA
RVDD
RVSS
DAC
Bch
NINB
PINB
AVSSB
700Ω
(typ)
740Ω
(typ) LDO
700Ω
(typ)
740Ω
(typ)
LDO
BG, VREF, IREF
700Ω
(typ)
740Ω
(typ)
LDO
700Ω
(typ)
740Ω
(typ)
LDO
SWVSS
SWVSS
HiFi
BG
-3.3V Charge
Pump
Analog
Switch
+6.6V _Charge
Pump
AUX
-3.3V _Charge
Pump
SWOUTA
Headphone
Ach
SWVDD
SWVSS
SWOUTB
Headphone
Bch
MUTEN
SEL
RSTN
PVEEB PVDDB
CAPSS
Figure 1. Block Diagram
016012367-E-00
-3-
2016/12