[AK4201]
ANALOG CHARACTERISTICS (AVDD=PVDD=5.0V)
(AVDD=PVDD=5.0V; PDN=5.0V; 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
-
65
-
mW
R
L
=16Ω, 0.68Vrms Input
THD+N
-
-
dB
−60
0.68Vrms Input; Po = 65mW @ R
L
=16Ω
-
-50
dB
−60
0.60Vrms Input; Po = 50mW @ R
L
=16Ω
-
-90
dB
−100
1.33Vrms Input; Vo = 2.0Vrms @ R
L
=5kΩ
S/N (Signal-to-Noise Ratio)
94
100
-
dB
R
L
=16Ω (A-weighted) (Note
8)
100
106
-
dB
R
L
=5kΩ (A-weighted) (Note
9)
PSRR (Power Supply Rejection Ratio)
217Hz
-
100
-
dB
1kHz
-
90
-
dB
Interchannel Isolation
60
80
-
dB
R
L
=16Ω
-
100
-
dB
R
L
=5kΩ
-
±0
±1
mV
Output Offset Voltage
-
-
50
ms
Start-up time
Power Supplies
-
4.8
7.2
mA
AVDD + PVDD
(Normal Mode; No Output)
-
0.1
10
uA
AVDD + PVDD
(Power-Down Mode, PDN =0V)
Note 8. In case of 0.68Vrms Input (Po=65mW).
Note 9. In case of 1.33Vrms Input (Vo=2Vrms).
Note 10. PSR is applied to AVDD and PVDD with 300mVpp sine wave.
Note 11. The time from the PDN pin= “H” to when the AK4201 can output signals.
MS1077-E-01
-6-
2011/02
AKM [ ASAHI KASEI MICROSYSTEMS ]
