AK4366_04 Datasheet, PDF (6/31 Pages) Asahi Kasei Microsystems – Low Power 24-Bit 2ch DAC with HP-AMP

ASAHI KASEI
[AK4366]
ANALOG CHARACTERISTICS
(Ta=25°C; VDD=HVDD=2.4V, VSS=0V; fs=44.1kHz; BOOST OFF; Signal Frequency =1kHz; Measurement band
width=10Hz ∼ 20kHz; Load impedance is a serial connection with R_L =16Ω and C_L=220µF. (Refer to Figure 19); unless
otherwise specified)
Parameter
min
typ
max
Units
DAC Resolution
-
-
24
bit
Headphone-Amp: (HPL/HPR pins) (Note 3)
Analog Output Characteristics
THD+N (−4.8dBFS Output, Po=10mW@16Ω, 2.4V)
-
(−3dBFS Output, Po=28mW@16Ω, 3.3V)
-
−55
−45
dB
−55
-
dB
(−3dBFS Output, Po=14mW@32Ω, 3.3V)
-
−57
D-Range (−60dBFS Output, A-weighted, 2.4V)
84
92
-
dB
-
dB
(−60dBFS Output, A-weighted, 3.3V)
S/N
(A-weighted, 2.4V)
(A-weighted, 3.3V)
Interchannel Isolation
-
94
84
92
-
94
60
80
-
dB
-
dB
-
dB
-
dB
DC Accuracy
Interchannel Gain Mismatch
-
0.2
Gain Drift
-
200
Load Resistance
(Note 4)
16
-
Load Capacitance
-
-
Output Voltage (−4.8dBFS Output)
(Note 5)
1.02
1.13
-
dB
-
ppm/°C
-
Ω
300
pF
1.24
Vpp
Max Output Power
Power Supplies
(R_L=16Ω, 2.4V)
(R_L=16Ω, 3.3V)
-
26
-
50
-
mW
-
mW
Power Supply Current
Normal Operation (PDN pin = “H”)
VDD
HVDD
Power-Down Mode (PDN pin = “L”)
(Note 6)
-
-
(Note 7)
-
1.6
2.8
mA
1.0
2.0
mA
1
100
µA
Note 3. DACL=DACR= “1”, ATTL=ATTR=0dB.
Note 4. AC Load
Note 5. Output voltage is proportional to VDD voltage. Vout = 0.47 x VDD(typ)@−4.8dBFS.
Note 6. PMDAC=PMHPL=PMHPR= “1”, MUTEN= “1” and HP-Amp output is off.
Note 7. All digital input pins including clock pins (MCLK, BICK and LRCK) are held at VSS.
MS0248-E-01
-6-
2004/03