ASAHI KASEI
[AK4393]
ANALOG CHARACTERISTICS
(Ta = 25°C; AVDD = 5V, DVDD = 3.3V; AVSS, BVSS, DVSS = 0V, VREFH = AVDD, VREFL = AVSS;
fs = 44.1kHz; BICK = 64fs; Signal Frequency = 1kHz; 24bit Input Data; Measurement Bandwidth = 20Hz~20kHz;
RL ³ 600W; External circuit: Figure 11; unless otherwise specified)
Parameter
min
typ
max
Units
Resolution
Dynamic Characteristics (Note 5)
24
Bits
THD+N
fs=44.1kHz
BW=20kHz
fs=96kHz
0dBFS
-60dBFS
0dBFS
-100
-53
-90
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
-97
-86
-
BW=40kHz
-60dBFS
-51
Dynamic Range
fs=44.1kHz (Note 6)
(Note 7)
fs=96kHz
112
-
117
120
116
118
117
120
116
118
120
(-60dBFS with A-weighted)
111
-
(Note 7)
S/N (A-weighted
fs=44.1kHz (Note 8)
(Note 7)
fs=96kHz
112
-
111
-
(Note 7)
Interchannel Isolation (1kHz)
100
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
0.15
20
0.3
-
dB
ppm/°C
Vpp
W
(Note 9)
(Note 10)
(Note 11)
Output Voltage
±2.25
±2.4
±2.55
Load Resistance
Output Current
600
3.5
mA
Power Supplies
Power Supply Current
Normal Operation (PDN = “H”)
AVDD
60
3
-
-
mA
mA
mA
mA
DVDD(fs=44.1kHz)
DVDD(fs=96kHz)
5
-
AVDD + DVDD
90
Power-Down Mode (PDN = “L”)
AVDD + DVDD
(Note 12)
(Note 13)
10
50
50
µA
dB
Power Supply Rejection
Notes: 5. At 44.1kHz, measured by Audio Precision, System Two. Averaging mode.
At 96kHz, measured by ROHDE & SCHWARZ, UPD. Averaging mode.
Refer to the eva board manual.
6. 101dB at 16bit data and 116dB at 20bit data.
7. By Figure12. External LPF Circuit Example 2.
8. S/N does not depend on input bit length.
9. The voltage on (VREFH-VREFL) is held +5V externally.
10. Full-scale voltage (0dB). Output voltage scales with the voltage of (VREFH-VREFL).
AOUT (typ.@0dB) = (AOUT+) - (AOUT-) = ±2.4Vpp×(VREFH-VREFL)/5.
11. For AC-load. 1kW for DC-load.
12. In the power-down mode. P/S = DVDD, and all other digital input pins including clock pins (MCLK, BICK and
LRCK) are held DVSS.
13. PSR is applied to AVDD, DVDD with 1kHz, 100mVpp. VREFH pin is held +5V.
M0039-E-01
2000/5
- 5 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
