Datasheet

DF1704
7
SBAS099A
FIGURE 5. Audio Input Interface Timing.
FIGURE 4. Audio Data Input Formats.
LRCKIN
BCKIN
DIN
1.4V
1.4V
1.4V
t
BCH
t
BCL
t
LB
t
BL
t
DS
BCKIN Pulse Cycle Time
BCKIN Pulse Width HIGH
BCKIN Pulse Width LOW
BCKIN Rising Edge to LRCIN Edge
LRCIN Edge to BCKIN Rising Edge
DIN Set-up Time
DIN Hold Time
t
BCY
t
BCH
t
BCL
t
BL
t
LB
t
DS
t
DH
100ns (min)
50ns (min)
50ns (min)
30ns (min)
30ns (min)
30ns (min)
30ns (min)
t
DH
t
BCY
1 2 3
22 23
1/f
S
Lch
Rch
MSB LSB
24
LRCIN
BCKIN
AUDIO DATA WORD = 24-BIT
DIN
1 2 3 1 2 3
22 23
MSB LSB
24
(b) Left-Justified Format; Lch = “H”, Rch = “L”
1 2
15
1/f
S
Lch
Rch
MSB LSB
16
LRCIN
BCKIN
AUDIO DATA WORD = 16-BIT
DIN
1 2
15
MSB LSB
16
21
21
1 2
23
MSB LSB
24
AUDIO DATA WORD = 24-BIT
DIN
1 2
23
MSB LSB
24
(c) I
2
S Data Format (Philips Format); Lch = “L”, Rch = “H”
14 15 16 1 2
15
1/f
S
Lch
Rch
MSB LSB
16
LRCIN
BCKIN
AUDIO DATA WORD = 16-BIT
(a) Standard Format (Sony Format); Lch = “H”, Rch = “L”
DIN
1 2
15 16
18 19
22 23
20 1 2
19
MSB LSB
20
AUDIO DATA WORD = 20-BIT
DIN
1 2
19 20
24 1 2
23
MSB LSB
24
AUDIO DATA WORD = 24-BIT
DIN
1 2
23
MSB LSB
24