[AK4201]
ANALOG CHARACTERISTICS (AVDD=PVDD=3.3V)
(AVDD=PVDD=3.3V; PDN=3.3V; Ta=25ºC; VSS1=VSS2=0V; Input Signal Frequency =1kHz; Measurement band
width=10Hz
∼
20kHz; Gain=+3.5dB (Ri=20kΩ, Rf=30kΩ); Headphone-Amp: R
L
=16Ω; Charge Pump Circuit External
Capacitance: C1=C2= 1μF (Figure
3),
unless otherwise specified)
Parameter
min
typ
max
Units
Output Power
-
30
-
mW
R
L
=16Ω, 0.46Vrms Input
THD+N
-
-60
-
dB
0.46Vrms Input; Po = 30mW @ R
L
=16Ω
-60
-50
dB
0.27Vrms Input; Po = 10mW @ R
L
=16Ω
-
-100
-90
dB
1.33Vrms Input; Vo = 2.0Vrms @ R
L
=5kΩ
S/N (Signal-to-Noise Ratio)
90
96
-
dB
R
L
=16Ω (A-weighted) (Note
100
106
-
dB
R
L
=5kΩ (A-weighted) (Note
PSRR (Power Supply Rejection Ratio)
217Hz
-
70
-
dB
1kHz
-
70
-
dB
Interchannel Isolation
60
77
-
dB
R
L
=16Ω
-
100
-
dB
R
L
=5kΩ
-
mV
Output Offset Voltage
±0
±1
-
-
50
ms
Start-up time
Power Supplies
-
3.8
5.7
mA
AVDD + PVDD
(Normal Mode; No Output)
-
0.1
10
AVDD + PVDD
(Power-Down Mode, PDN =0V)
μA
Note 12. In case of 0.46Vrms Input (Po=30mW).
Note 13. In case of 1.33Vrms Input (Vo=2Vrms).
Note 14. PSR is applied to AVDD and PVDD with 100mVpp sine wave.
Note 15. The time from the PDN pin= “H” to when the AK4201 can output signals.
MS1077-E-01
-7-
2011/02
AKM [ ASAHI KASEI MICROSYSTEMS ]
