AK5572EN Datasheet, PDF (9/68 Pages) Asahi Kasei Microsystems – 2-Channel Differential 32-bit  ADC

[AK5572]
8. Analog Characteristics
(Ta= 25 C; AVDD= 5.0 V; TVDD= 3.3 V, fs= 48 kHz, BICK= 64fs;
Signal Frequency= 1 kHz; 24-bit Data; Measurement frequency= 20 Hz-20 kHz at fs= 48 kHz,
40 Hz-40 kHz at fs= 96 kHz, 40 Hz-40 kHz at fs= 192 kHz, unless otherwise specified.)
Parameter
Min.
Typ.
Max. Unit
Analog Input Characteristics:
Resolution
-
-
32
Bit
Input Voltage
(Note 10) 2.7
2.8
2.9 Vpp
S/(N+D)
fs=48kHz
BW=20kHz
1dBFS
20dBFS
60dBFS
100
112
-
dB
-
97
-
dB
-
57
-
dB
fs=96kHz
BW=40kHz
1dBFS
20dBFS
60dBFS
-
110
-
dB
-
90
-
dB
-
50
-
dB
fs=192kHz
BW=40kHz
1dBFS
20dBFS
60dBFS
-
110
-
dB
-
90
-
dB
-
50
-
dB
Dynamic Range
Not Sum. mode
117
121
-
dB
(60dBFS with A-weighted)
2-to-1 mode
-
124
-
dB
S/N
Not Sum. mode
117
121
-
dB
(A-weighted)
2-to-1 mode
-
124
-
dB
Input Resistance
These values will be doubled in DSD 64fs mode.
3.0
3.6
4.2
k
(Values in DSD128 or DSD256 modes are as shown here)
Interchannel Isolation
(AIN1AIN2)
110
120
-
dB
Interchannel Gain Mismatch
-
0
0.5
dB
Power Supply Rejection
(Note 11)
-
60
-
dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”, LDOE pin = “H”)
AVDD+VREFH1
-
25
33
mA
TVDD
(fs= 48 kHz)
-
7
10
mA
TVDD
(fs= 96 kHz)
-
11
14
mA
TVDD
(fs= 192 kHz)
-
11
14
mA
Power down mode (PDN pin = “L”)
(Note 12)
AVDD+TVDD
-
10
100
A
Note 10. This value is (AINnP)(AINnN) that the ADC output becomes full-scale (n=1-2).
Vin = 0.56  (VREFHmVREFLm) [Vpp]. (m=1)
Note 11. PSRR is applied to AVDD, TVDD with 1kHz, 20mVpp sine wave. The VREFH1 is held to the
fixed voltage.
Note 12. All digital inputs are fixed to TVDD or TVSS.
015016766-E-00
-9-
2015/12