Datasheet

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ELECTRICAL CHARACTERISTICS: Audio Serial Ports
ELECTRICAL CHARACTERISTICS: SPI Interface
SRC4382
SBFS030C – JANUARY 2006 – REVISED SEPTEMBER 2007
ELECTRICAL CHARACTERISTICS: General, SRC, DIR, and DIT (continued)
All specifications are at T
A
= +25C, VDD18 = +1.8V, VDD33 = +3.3V, VIO = +3.3V, and VCC = +3.3V, unless otherwise noted.
SRC4382
PARAMETER CONDITIONS MIN TYP MAX UNITS
DIGITAL AUDIO INTERFACE RECEIVER (DIR)
PLL Lock Range 20 216 kHz
Reference Clock Input (RXCKI) Frequency, f
RXCKI
3.5 27.7 MHz
Reference Clock Input (RXCKI) Duty Cycle, f
RXCKID
45 55 %
Recovered Clock Output (RXCKO) Frequency, f
RXCKO
3.5 27.7 MHz
Recovered Clock Output (RXCKO) Duty Cycle, f
RXCKOD
45 55 %
Recovered Clock Output (RXCKO) Intrinsic Jitter Measured cycle-to-cycle 250 ps RMS
DIGITAL AUDIO INTERFACE TRANSMITTER (DIT)
Intrinsic Output Jitter Measured cycle-to-cycle 200 ps RMS
All specifications are at T
A
= +25C, VDD18 = +1.8V, VDD33 = +3.3V, VIO = +3.3V, and VCC = +3.3V, unless otherwise noted.
SRC4382
PARAMETER CONDITIONS MIN TYP MAX UNITS
AUDIO SERIAL PORTS (Port A and Port B)
LRCK Clock Frequency, f
LRCK
0 216 kHz
LRCK Clock Duty Cycle, t
LRCKD
50 %
BCK Clock Frequency, f
BCK
0 13.824 MHz
BCK High Pulse Width, t
BCKH
10 ns
BCK Low Pulse Width, t
BCKL
10 ns
Audio Data Input (SDIN) Setup Time, t
AIS
10 ns
Audio Data Input (SDIN) Hold Time, t
AISH
10 ns
Audio Data Output (SDOUT) Delay, t
ADD
10 ns
All specifications are at T
A
= +25C, VDD18 = +1.8V, VDD33 = +3.3V, VIO = +3.3V, and VCC = +3.3V, unless otherwise noted.
SRC4382
PARAMETER CONDITIONS MIN TYP MAX UNITS
HOST INTERFACE: SPI Mode
Serial Clock (CCLK) Frequency, f
CCLK
0 40 MHz
CS Falling to CCLK Rising, t
CSCR
8 ns
CCLK Falling to CS Rising, t
CFCS
7 ns
CDIN Data Setup Time, t
CDS
7 ns
CDIN Data Hold Time, t
CDH
6 ns
CCLK Falling to CDOUT Data Valid, t
CFDO
3 ns
CS Rising to CDOUT High-Impedance, t
CSZ
3 ns
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