AK5720 Datasheet, PDF (6/25 Pages) Asahi Kasei Microsystems – 96kHz 24-Bit ADC

[AK5720]
7. Analog Characteristics (VA=VD=5.0V)
(Ta=25C; VA=VD=5.0V; fs=48kHz, 96kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data;
Measurement frequency=20Hz  20kHz at fs=48kHz, 40Hz  40kHz at fs=96kHz; unless otherwise
specified)
Parameter
min
typ
max
Unit
ADC Analog Input Characteristics:
Resolution
24
Bits
Input Voltage
(Note 2)
S/(N+D)
(-1.0dBFS)
Gain = 0dB
Gain = +15dB
VA=5V
Gain = 0dB
VA=5V
Gain = +15dB
fs=48kHz,
fs=96kHz
fs=48kHz
fs=96kHz
2.7
0.48
3.0
0.53
3.3
0.58
Vpp
84
94
dB
-
92
dB
74
84
dB
-
80
dB
VA=5V
fs=48kHz, A-weighted
94
102
dB
DR
(-60dBFS)
Gain = 0dB
VA=5V
fs=96kHz
fs=48kHz, A-weighted
-
83
99
91
dB
dB
Gain = +15dB fs=96kHz
-
86
dB
S/N
VA=5V
fs=48kHz, A-weighted
94
102
dB
Gain = 0dB
fs=96kHz
-
99
dB
VA=5V
fs=48kHz, A-weighted
83
91
dB
Gain = +15dB fs=96kHz
-
86
dB
Input
Gain = 0dB
fs=48kHz
fs=96kHz
29
41
-
28
k
k
Resistance
Gain = +15dB
fs=48kHz
fs=96kHz
15
22
-
13
k
k
Interchannel Isolation (RIN, LIN)
Gain = 0dB
Gain = +15dB
90
110
90
dB
dB
Interchannel Gain Mismatch (RIN, LIN)
0
0.5
dB
Gain Drift
100
-
ppm/C
Power Supply Rejection
(Note 3)
-
50
dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
VA
3.8
5.7
mA
VD
(fs=48kHz)
2.3
3.5
mA
VD
(fs=96kHz)
4.4
6.7
mA
Power down mode (PDN pin = “L”)
(Note 4)
VA+VD
10
100
A
Note 2. This value is the full scale (0dB) of the input voltage. Input voltage is proportional to VA voltage.
Vin = 0.6 × VA (Vpp).
Note 3. PSR is applied to VA and VD with 1kHz, 50mVpp.
Note 4. All digital input pins and CKS1 pin are held VD or VSS.
MS1641-E-02
-6-
2014/12