AK5720 Datasheet, PDF (7/25 Pages) Asahi Kasei Microsystems – 96kHz 24-Bit ADC

[AK5720]
8. Analog Characteristics (VA=VD=3.0V)
(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=3V
Gain = 0dB
VA=3V
Gain = +15dB
fs=48kHz,
fs=96kHz
fs=48kHz
fs=96kHz
1.65
0.29
1.8
0.32
1.95
0.35
Vpp
84
94
dB
-
92
dB
71
81
dB
-
77
dB
VA=3V
fs=48kHz, A-weighted
90
DR (−60dBFS) Gain = 0dB ^fs=96kHz
-
VA=3V
fs=48kHz, A-weighted
-
Gain = +15dB fs=96kHz
-
S/N
VA=3V
fs=48kHz, A-weighted
90
Gain = 0dB fs=96kHz
-
VA=3V
fs=48kHz, A-weighted
-
Gain = +15dB fs=96kHz
-
Input Resistance
Gain = 0dB
Gain = +15dB
fs=48kHz
fs=96kHz
fs=48kHz
fs=96kHz
29
-
15
-
Interchannel Isolation
Gain = 0dB
90
Gain = +15dB
Interchannel Gain Mismatch
Gain Drift
Power Supply Rejection
(Note 3)
-
98
dB
95
dB
86
dB
81
dB
98
dB
95
dB
86
dB
81
dB
41
k
28
k
22
k
13
k
110
dB
90
dB
0
0.5
dB
100
- ppm/C
50
dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
VA
3.4
5.1
mA
VD
(fs=48kHz)
1.9
2.9
mA
VD
(fs=96kHz)
3.7
5.6
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
-7-
2014/12