AK4340_06 Datasheet, PDF (5/23 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output

ASAHI KASEI
[AK4340]
ANALOG CHARACTERISTICS
(Ta=25°C; VDD=+5.0VV; HVEE=-5.0V; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Input Data;
Measurement frequency=20Hz ∼ 20kHz; R_L ≥5kΩ; unless otherwise specified)
Parameter
min
typ
max
Units
Resolution
24
Bits
Dynamic Characteristics
(Note 2)
THD+N
fs=44.1kHz
0dBFS
-90
-84
dB
BW=20kHz
-60dBFS
-42
-
dB
fs=96kHz
0dBFS
-90
-
dB
BW=40kHz
-60dBFS
-39
-
dB
fs=192kHz
0dBFS
-90
-
dB
BW=40kHz
-60dBFS
-39
-
dB
Dynamic Range (-60dBFS with A-weighted) (Note 3)
100
106
dB
S/N
(A-weighted)
(Note 4)
100
106
dB
Interchannel Isolation (1kHz)
90
100
dB
Interchannel Gain Mismatch
0.2
0.5
dB
DC Accuracy
Gain Drift
100
-
ppm/°C
Output Voltage
(Note 5) GAIN pin = “L”
1.85
2
2.15
Vrms
GAIN pin = “H”
2.35
2.5
2.65
Vrms
Load Capacitance
(Note 6)
25
pF
Load Resistance
5
kΩ
Power Supplies
Power Supply Current: (Note 7)
Normal Operation (PDN pin = “H”, fs≤96kHz)
VDD
HVEE
22
30
mA
6
9
mA
Normal Operation (PDN pin = “H”, fs=192kHz)
VDD
25
33
mA
HVEE
6
9
mA
Power-Down Mode (PDN pin = “L”) (Note 8)
VDD
HVEE
10
100
µA
10
100
µA
Note 2. Measured by Audio Precision (System Two). GAIN pin = “L”. Refer to the evaluation board manual regarding the
measurement results.
Note 3. 98dB at 16bit data
Note 4. S/N ration does not depend on the input data length
Note 5. Full-scale voltage (0dB). Output voltage is proportional to VDD voltage.
AOUT (typ.@ 0dB, GAIN = 0dB) = 2Vrms × VDD/5.
Note 6. When the output pin drives a capacitive load, a resistor should be added in series between output pin and
capacitive load.
Note 7. These values are supplied to VDD pin or HVEE pin.
Note 8. P/S pin is tied to VDD and the other all digital inputs including clock pins (MCLK, BICK and LRCK) are tied to
VDD or VSS.
MS0501-E-00
-5-
2006/04