AK5385A Datasheet, PDF (8/24 Pages) Asahi Kasei Microsystems – 24BIT 192KHZ ADC

ASAHI KASEI
[AK5385A]
(Ta=25°C; AVDD=5.0V, DVDD=3.3V; AVSS=BVSS=DVSS=0V; VREFL=VREFR=AVDD; fs=48kHz, 96kHz,
192kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement frequency=20Hz ∼ 20kHz at fs=48kHz,
40Hz ∼ 40kHz at fs=96kHz, 40Hz ∼ 40kHz at fs=192kHz; unless otherwise specified)
Parameter
min
typ
max
Units
Analog Input Characteristics:
Resolution
24
Bits
Input Voltage
(Note 4)
±2.7
±2.9
±3.1
Vpp
S/(N+D)
−1dBFS (Note 5)
-
103
dB
fs=48kHz
−1dBFS
92
100
dB
BW=20kHz −20dBFS
-
91
dB
−60dBFS
-
51
dB
fs=96kHz
BW=40kHz
−1dBFS
−20dBFS
−60dBFS
90
98
-
86
-
46
dB
dB
dB
fs=192kHz
BW=40kHz
−1dBFS
−20dBFS
−60dBFS
-
98
-
86
-
46
dB
dB
dB
Dynamic Range
(−60dBFS with A-weighted)
107
114
dB
S/N
(A-weighted)
107
114
dB
Input Resistance
9
13
kΩ
Interchannel Isolation
100
120
dB
Interchannel Gain Mismatch
0.1
0.5
dB
Power Supply Rejection
(Note 6)
50
-
dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
AVDD
30
45
mA
DVDD
(fs=48kHz)
DVDD
(fs=96kHz)
DVDD
(fs=192kHz)
Power down mode (PDN pin = “L”)
AVDD+DVDD
(Note 7)
10
15
mA
17
25
mA
20
30
mA
10
100
µA
Note 4. (LIN+)−(LIN−) (RIN+)−(RIN−)
Vin = 0.58 × VREF (Vpp)
Note 5. VREFL pin AVSS
VREFR pin
Note 6. VREFL, VREFR pin
Note 7.
DVDD
VREFL, VREFR
AVSS
100µF
AVDD, DVDD 1kHz, 20mVpp
DVSS
MS0265-J-01
-8-
2003/11