AK4205EN Datasheet, PDF (7/25 Pages) Asahi Kasei Microsystems – Ultra Low Noise and Distortion Headphone Amp with Analog Switch

[AK4205]
7. Recommended Operating Conditions
(AVSSA=AVSSB=RVSS=SWVSS=0V; Note 13)
Parameter
Symbol
Min.
Typ.
Max.
Unit
RVDD
Headphone Positive PVDDA
4.5
Power Supplies
PVDDB
(Note 14)
Headphone Negative
PVEEA
PVEEB
-5.5
6.0
6.5
V
-5.0
-4.5
V
Switch
SWVDD
3.0
3.3
3.6
V
Damping Resistor
Rd
-
33
-
Ω
PVDDA
C_PVDDA
0.1
Bypass Capacitor
PVDDB
C_PVDDB
0.1
(Note 15)
PVEEA
C_PVEEA
0.1
PVEEB
C_PVEER
0.1
(Note 16)
V_DC1
-
Input DC Bias Voltage
(Note 17)
V_DC2
-
(Note 18)
V_DC3
-0.3
Load Resistance
RL
16
-
-
μF
-
-
μF
-
-
μF
-
-
μF
2.5
-
V
0
-
V
0
0.3
V
-
-
Ω
Load Capacitance
CL
-
-
780
pF
Note 13. All voltages are with respect to ground.
Note 14. Each of power supplies: RVDD, PVDDA, PVDDB, PVEEA and PVEEB should be started
simultaneously with SWVDD or after SWVDD. In particular, in order to avoid output pop noise,
turn on the power supply of RVDD, PVDDA, PVDDB, PVEEA and PVEEB after SWVDD is
completely powered up. When SWVDD = ON, RVDD, PVDDA, PVDDB, PVEEA and PVEEB
can be turned OFF. Refer to “■ Analog Switch Power-up/down Sequence” about power
up/down sequence of each power supply.
Note 15. Place them as close as possible to the IC. Refer to “Example of Layout” about detail.
Note 16. PINA, NINA, PINB and NINB pins
Note 17. SWINA, SWINB, AUXA and AUXB pins at ON state
Note 18. SWINA, SWINB, AUXA and AUXB pins at OFF state
WARNING: AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
016012367-E-00
-7-
2016/12