Datasheet

SRC4192, SRC4193
SBFS022B
5
www.ti.com
SWITCHING CHARACTERISTICS
Reference Clock Timing
RCKI Frequency
(2), (3)
128 x f
SMIN
50 MHz
RCKI Period t
RCKIP
20 1/(128 x f
SMIN
)ns
RCKI Pulsewidth High t
RCKIH
0.4 x t
RCKIP
ns
RCKI Pulsewidth Low t
RCKIL
0.4 x t
RCKIP
ns
Reset Timing
RST
Pulse Width Low t
RSTL
500 ns
Delay Following
RST
Rising Edge SRC4193 Only 500 µs
Input Serial Port Timing
LRCKI to BCKI Setup Time t
LRIS
10 ns
BCKI Pulsewidth High t
SIH
10 ns
BCKI Pulsewidth Low t
SIL
10 ns
SDIN Data Setup Time t
LDIS
10 ns
SDIN Data Hold Time t
LDIH
10 ns
Output Serial Port Timing
SDOUT Data Delay Time t
DOPD
10 ns
SDOUT Data Hold Time t
DOH
2ns
BCKO Pulsewidth High t
SOH
10 ns
BCKO Pulsewidth Low t
SOL
5ns
TDM Mode Timing
LRCKO Setup Time t
LROS
10 ns
LRCKO Hold Time t
LROH
10 ns
TDMI Data Setup Time t
TDMS
10 ns
TDMI Data Hold Time t
TDMH
10 ns
SPI Timing
CCLK Frequency 25 MHz
CDATA Setup Time t
CDS
12 ns
CDATA Hold Time t
CDH
8ns
CS
Falling to CCLK Rising t
CSCR
15 ns
CCLK Falling to CS Rising t
CFCS
12 ns
POWER SUPPLIES
Operating Voltage
V
DD
3.0 +3.3 3.6 V
V
IO
1.65 +3.3 3.6 V
Supply Current V
DD
= +3.3V, V
IO
= +3.3V
I
DD
, Power Down
RST
= 0, No Clocks 100 µA
I
DD
, Power Down (SRC4193 only)
PDN
Bit = 0, No Clocks 5 mA
I
DD
, Dynamic f
SIN
= f
sOUT
= 192kHz 66 mA
I
IO
, Power Down
RST
= 0, No Clocks 100 µA
I
IO
, Power Down (SRC4193 only)
PDN
Bit = 0, No Clocks 21 µA
I
IO
, Dynamic f
SIN
= f
SOUT
= 192kHz 2 mA
Total Power Dissipation V
DD
= +3.3V, V
IO
= +3.3V
P
D
, Power Down
RST
= 0, No Clocks 660 µW
P
D
, Power Down (SRC4193)
PDN
Bit = 0, No Clocks 16.6 mW
P
D
, Dynamic f
SIN
= f
SOUT
= 192kHz 225 mW
ELECTRICAL CHARACTERISTICS (Cont.)
All parameters specified with T
A
= +25°C, V
DD
= +3.3V, and V
IO
= +3.3V, unless otherwise noted.
SRC4192, SRC4193
PARAMETER CONDITION MIN TYP MAX UNITS
NOTES: (1) Dynamic performance measured with an Audio Precision System Two Cascade or Cascade Plus.
(2) f
SMIN
= min (f
SIN
, f
SOUT
).
(3) f
SMAX
= max (f
SIN
, f
SOUT
).