AK4682 Datasheet, PDF (7/43 Pages) Asahi Kasei Microsystems – Multi-channel CODEC with 2Vrms Stereo Selector

[AK4682]
ANALOG CHARACTERISTICS
(Ta=25°C; TVDD = 3.3V; DVDD1, DVDD2, AVDD1, AVDD2= 5.0V; PVDD = 9V; AVSS1, AVSS2, DVSS1,
DVSS2, PVSS = 0V; fs=48kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement Frequency = 20Hz∼
20kHz at fs=48kHz, 20Hz~40kHz at fs=96kHz; 20Hz~40kHz at fs=192kHz, all blocks are synchronized, unless
otherwise specified)
Parameter
min
typ
max
Units
Analog Input to Analog Output Characteristics (LIN1-6, RIN1-6 pin to LOUT1-3, ROUT1-3 pin)
S/(N+D)
Input=2Vrms
-
92
dB
S/N
Input=0ff, A-weighted
-
96
dB
Input Impedance
40
kΩ
Maximum Input Voltage
(Note: 4)
2
-
-
Vrms
Gain
-
0
-
dB
Analog Input (LIN1-6, RIN1-6 pin) to ADC Analog Input Characteristics
Resolution
24
Bits
S/(N+D)
(-1dBFS) fs=48kHz
80
88
dB
DR
(-60dBFS) fs=48kHz, A-weighted
88
96
dB
S/N
(input off) fs=48kHz, A-weighted
88
96
dB
Interchannel Isolation
(Note: 3)
90
100
dB
Interchannel Gain Mismatch
0.2
0.6
dB
Gain Drift
50
-
ppm/°C
Input Voltage
AIN= 2.2 x AVDD1/5
2
2.2
2.4
Vrms
Power Supply Rejection
(Note: 5)
60
dB
DAC to Analog Output (LOUT1-3, ROUT1-3 pin) Characteristics
Resolution
24
Bits
S/(N+D)
(0dBFS) fs=48kHz
76
86
dB
fs=96kHz
-
84
dB
fs=192kHz
-
84
dB
DR
(-60dBFS) fs=48kHz, A-weighted
94
102
dB
fs=96kHz
-
96
dB
fs=96kHz, A-weighted
-
102
dB
fs=192kHz
-
96
dB
fs=192kHz, A-weighted
-
102
dB
S/N
(“0” data) fs=48kHz, A-weighted
94
102
dB
fs=96kHz
-
96
dB
fs=96kHz, A-weighted
-
102
dB
fs=192kHz
-
96
dB
fs=192kHz, A-weighted
-
102
dB
Interchannel Isolation
90
100
dB
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
50
-
ppm/°C
Output Voltage
AOUT= 2 x AVDD2/5
1.85
2
2.15
Vrms
Load Resistance
(AC Load)
5
kΩ
Load Capacitance
30
pF
Power Supply Rejection
(Note: 5)
50
dB
Note: 3. This value is the interchannel isolation between all the channels of the LIN1-6 and RIN1-6.
Note: 4. Maximum input level that satisfy S/(N+D)>80dB.
Note: 5. PSR is applied to AVDD1, AVDD2, DVDD1, DVDD2 and PVDD with 1kHz, 50mVpp.
MS0610-E-01
-7-
2007/07