AK4565 Просмотр технического описания (PDF) - Asahi Kasei Microdevices
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AK4565 Datasheet PDF : 33 Pages
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ASAHI KASEI
[AK4565]
DC CHARACTERISTICS
(Ta=25°C; VA, VD=2.3 ∼ 3.6V, VT=1.5 ∼ 3.6V)
Parameter
Symbol
Min
typ
max
Units
Input High Level Voltage
VIH
80%VT
-
-
V
Input Low Level Voltage
VIL
-
-
20%VT
V
Output High Level Voltage: Iout=-400µA
VOH
VT-0.4
-
Output Low Level Voltage: Iout=400µA
VOL
-
-
-
V
0.4
V
Input Leakage Current
Iin
-
-
±10
µA
SWITCHING CHARASTERISTICS
(Ta=25°C; VA, VD=2.3 ∼ 3.6V, VT=1.5 ∼ 3.6V; CL=20pF)
Parameter
Symbol
Min
Control Clock Frequency
Master Clock (MCLK) 256fs: Frequency
fCLK
2.048
Pulse Width Low tCLKL
28
Pulse Width High tCLKH
28
384fs: Frequency
fCLK
3.072
Pulse Width Low tCLKL
23
Pulse Width High tCLKH
23
Channel Selection Clock (LRCK) frequency
fs
8
Duty
45
Audio Interface Timing
BCLK Period
tBLK
312.5
BCLK Pulse Width Low
tBLKL
130
Pulse Width High
tBLKH
130
BCLK “↓” to LRCK
LRCK to SDTO (MSB) (Except I2S mode)
tBLR
tDLR
-tBLKH+50
BCLK “↓” to SDTO
tDSS
SDTI Hold Time
tSDH
50
SDTI Setup Time
tSDS
50
Control Interface Timing
CCLK Period
CCLK Pulse Width Low
Pulse Width High 1
Pulse Width High 2
CDTI Setup Time
CDTI Hold Time
CSN “H” Time
CSN “↓” to CCLK “↑”
CCLK “↑” to CSN “↑”
CDTO Output Delay Time
CSN “↑” to CDTO(Hi-Z) (Note 14.)
tCCK
200
tCCKL
80
tCCKH
80
tCKH2
80
tCDS
50
tCDH
50
tCSW
150
tCSS
50
tCSH
50
tDCD
tCCZ
Reset/Calibration Timing
PDN Pulse Width
tPDW
150
PDN “↑” to SDTO0/SDTO1 valid
tPDV
Note 14. RL=1kΩ/10% Change (Pulled-up operates for VT.)
typ
12.288
18.432
48
50
4128
max
Units
12.8
MHz
ns
ns
19.2
MHz
ns
ns
50
kHz
55
%
ns
ns
ns
tBLKL-50
ns
80
ns
80
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
70
ns
70
ns
ns
1/fs
MS0132-E-01
-8-
2003/05
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