ak4140 AKM Semiconductor, Inc., ak4140 Datasheet - Page 7

• Manufacturer Part Number: ak4140
• Description: Digital Btsc Decoder
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Parameter
Audio Interface Timing (Slave mode)
MS0547-E-01
Normal mode (TDM1=“L”, TDM0=“L”)
SCLK Period
SCLK Pulse Width Low
LRCK Edge to SCLK “↑”
SCLK “↑” to LRCK Edge
LRCK to SDTO(MSB) (Except I
SCLK “↓” to SDTO
TDM256 mode (TDM1=“L”, TDM0=“H”)
SCLK Period
SCLK Pulse Width Low
LRCK Edge to SCLK “↑”
SCLK “↑” to LRCK Edge
SCLK “↓” to SDTO
TDMIN Hold Time
TDMIN Setup Time
TDM128 mode (TDM1=“H”, TDM0=“H”)
SCLK Period
SCLK Pulse Width Low
LRCK Edge to SCLK “↑”
SCLK “↑” to LRCK Edge
SCLK “↓” to SDTO
TDMIN Hold Time
TDMIN Setup Time
Pulse Width High
Pulse Width High
Pulse Width High
2
S mode)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
(Note 6)
Symbol
tBCKH
tBCKH
tBCKH
tBCKL
tBCKL
tBCKL
tBCK
tBCK
tBCK
tLRB
tBLR
tBSD
tLRB
tBLR
tBSD
tSDH
tLRB
tBLR
tBSD
tSDH
tLRS
tSDS
tSDS
- 7 -
min
160
65
65
30
30
81
32
32
20
20
10
10
81
32
32
20
20
10
10
typ
max
35
35
20
20
[AK4140]
Units
2007/03
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ns
ns
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ns
ns
ns
ns
ns
ns
ns