Datasheet

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ELECTRICAL CHARACTERISTICS
DIR9001
SLES198 – DECEMBER 2006
All specifications at T
A
= 25 ° C, V
DD
= V
CC
= 3.3 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DIGITAL INPUT/OUTPUT CHARACTERISTICS
V
IH
0.7 V
DD
V
DD
Input logic level
(1)
VDC
V
IL
0.3 V
DD
V
IH
2 5.5
Input logic level
(2)
VDC
V
IL
0.8
V
OH
I
O
= 4 mA 0.85 V
DD
Output logic level
(3)
VDC
V
OL
I
O
= –4 mA 0.15 V
DD
I
IH
V
IN
= V
DD
65 100
Input leakage current
(4)
µ A
I
IL
V
IN
= 0 V –10 10
I
IH
V
IN
= V
DD
–10 10
Input leakage current
(5)
µ A
I
IL
V
IN
= 0 V –100 –65
I
IH
V
IN
= V
DD
–10 10
Input leakage current
(6)
µ A
I
IL
V
IN
= 0 V –10 10
BIPHASE SIGNAL INPUT AND PLL
Input sampling frequency range 28 108 kHz
Jitter tolerance — (IEC60958-3) IEC60958-3 (2003-01) Compliant
From biphase signal detection to error-out
PLL lock-up time 100 ms
release (ERROR = L)
RECOVERED CLOCK AND DATA
Serial audio data width 16 24 Bit
128 f
S
3.584 13.824
256 f
S
7.168 27.648
SCKO frequency MHz
384 f
S
10.752 41.472
512 f
S
14.336 55.296
BCKO frequency 64 f
S
1.792 6.912 MHz
LRCKO frequency f
S
28 108 kHz
f
S
= 48 kHz, SCKO = 256 f
S
, measured
SCKO jitter 50 100 ps rms
periodic
SCKO duty cycle 45% 55%
XTI SOURCE CLOCK
XTI is connected to clock source 24.576
XTI source clock frequency MHz
Not
XTI is connected to DGND
required
Frequency accuracy XTI is connected to clock source –100 100 ppm
XTI input-clock duty cycle XTI is connected to clock source 45% 55%
POWER SUPPLY AND SUPPLY CURRENT
V
CC
2.7 3.3 3.6
Operation voltage range VDC
V
DD
2.7 3.3 3.6
(1) CMOS compatible input: XTI (not 5-V tolerant)
(2) 5-V tolerant TTL inputs: RXIN, FMT0, FMT1, PSCK0, PSCK1, CKSEL, RST, RSV
(3) CMOS outputs: XTO, SCKO, BCKO, LRCKO, DOUT, UOUT, COUT, BFRAME, ERROR, CLKST, AUDIO, EMPH, FSOUT0, FSOUT1
(4) Internal pulldowns: FMT0, FMT1, PSCK0, PSCK1, CKSEL, RSV
(5) Internal pullup: RST
(6) No internal pullup and pulldown: RXIN, XTI
3
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