AK4685 AKM [Asahi Kasei Microsystems], AK4685 Datasheet - Page 11

• Manufacturer Part Number: AK4685
• Description: Multi-channel CODEC with Differential Analog I/O
• Manufacturer: AKM [Asahi Kasei Microsystems]

Power Supplies
Parameter
Power Supply Current
Note 17. Master Mode. MCB=36.864MHz. 20pF load capacitors are connected to
Note 18. All digital inputs including clock pins (MCLKA, MCB, MCLKC, BICKA, BICKB, BICKC, LRCKA, LRCKB,
(Ta=-20°C ~+85°C; TVDD=3.0 ~ 5.25V; DVDD1-3=AVDD1-3=4.75 ~ 5.25V; PVDD=3.0 ~ 3.6V; fs=48kHz)
Parameter
ADC Digital Filter (Decimation LPF):
Passband
Stopband
Stopband Attenuation
Group Delay
ADC Digital Filter (HPF):
Frequency Response
DAC Digital Filter:
Passband
Stopband
Stopband Attenuation
Group Delay
DAC Digital Filter + Analog Filter:
Frequency Response: 0 ∼ 20.0kHz
Note 19. The passband and stopband frequencies scale with fs.
MS1106-E-00
Normal Operation (PDN pin = “H”)
Power-Down Mode (PDN pin = “L”;
SDTOB2 pins.
LRCKC, SDTIA, SDTIC) are held at DVDD1, DVDD2, DVDD3, VSS1, VSS2 or VSS7.
For example, 21.8kHz at –0.1dB is 0.454 x fs (DAC). The reference frequency of these responses is 1kHz.
(Note
TVDD
DVDD1+AVDD1
DVDD2+AVDD2
DVDD3+AVDD3 (No Input)
PVDD
TVDD
DVDD1+AVDD1
DVDD2+AVDD2
DVDD3+AVDD3
PVDD
(Note
(Note
19)
19)
40.0kHz
80.0kHz
(Note
(Note
Differential mode fs=48kHz
Single End mode fs=48kHz
19)
(Note
20)
20)
(Note
(Note
-3dB
-0.1dB
17)
±0.1dB
-6.0dB
±0.1dB
-0.2dB
-3.0dB
21)
21)
FILTER CHARACTERISTICS
Note
fs=96kHz
fs=192kHz
fs=96kHz
fs=192kHz
18)
fs=48kHz
fs=96kHz
fs=192kHz
Symbol
GD
GD
- 11 -
PB
SB
SA
FR
PB
SB
SA
FR
FR
FR
min
28.0
26.2
min
68
54
0
0
-
-
-
MCKO, BICKB, LRCKB, SDTOB1 and
typ
33
13
14
17
14
15
18
20
21
23
10
10
10
10
10
20.0
23.0
24.0
±0.2
±0.3
±1.0
6
6
typ
1.0
6.5
16
20
max
100
100
100
100
100
max
18.9
21.8
47
19
30
9
9
-
-
-
-
-
-
-
-
-
-
[AK4685]
Units
Units
2009/08
kHz
kHz
kHz
kHz
kHz
kHz
kHz
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
1/fs
1/fs
μA
μA
μA
μA
μA
dB
Hz
Hz
dB
dB
dB
dB