AK5385A Datasheet, PDF (14/24 Pages) Asahi Kasei Microsystems – 24BIT 192KHZ ADC

ASAHI KASEI
[AK5385A]
n
AK5385A
MCLK, BICK, LRCK
Table 1
AK5385A
DFS1-0 pin (Table 3)
AK5385A LRCK
MCLK LRCK
AK5385A
CKS1-0 pin (Table 2)
(PDN pin = “H”)
(MCLK, BICK, LRCK)
(MCLK)
(PDN pin = “L”)
fs
32kHz
44.1kHz
48kHz
96kHz
192kHz
MCLK
128fs
256fs
384fs
N/A
8.192MHz 12.288MHz
N/A
11.2896MHz 16.9344MHz
N/A
12.288MHz 18.432MHz
N/A
24.576MHz
N/A
24.576MHz
N/A
N/A
Table 1. System Clock Example
512fs
16.384MHz
22.5792MHz
24.576MHz
N/A
N/A
CKS1 pin CKS0 pin MCLK Frequency
L
L
256fs
L
H
128fs
H
L
512fs
H
H
384fs
Table 2. MCLK Frequency
DFS1 pin
L
L
H
H
DFS0 pin
LRCK Frequency
L
8kHz ≤ fs ≤ 54kHz
H
54kHz < fs ≤ 108kHz
L
108kHz < fs ≤ 216kHz
H
N/A
Table 3. Sampling Speed
[
]
/
MCLK
[ ] 12.288MHz(@fs=48kHz) 24.576MHz(@fs=96kHz)
PDN pin = “L”
/
MCLK
PDN pin = “L”
[ ] MCLK
24.576MHz
fs 48kHz
CKS1-0, DFS1-0 pin
96kHz
MS0265-J-01
- 14 -
2003/11