LMH0046MH Datasheet, PDF (7/20 Pages) Texas Instruments – LMH0046 HD/SD SDI Reclocker With Dual Differential Outputs

LMH0046
www.ti.com
SNLS222F – APRIL 2006 – REVISED APRIL 2013
AC Electrical Characteristics (continued)
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified.⁽¹⁾
Symbol
Parameter
Conditions
Reference
Min
F_CO Serial Clock Output
Frequency
143 Mbps data rate
SCO
F_CO Serial Clock Output
Frequency
270 Mbps data rate
F_CO Serial Clock Output
Frequency
1483 Mbps data rate
F_CO Serial Clock Output
Frequency
1485 Mbps data rate
t_JIT
Serial Clock Output Jitter
Serial Clock Output
Alignment with respect to
Data Interval
SDO, SCO
40
Serial Clock Output Duty
Cycle
SCO
45
T_ACQ Acquisition Time
Auto-Rate Detect Mode⁽⁸⁾⁽⁹⁾
Fixed Rate Mode⁽⁸⁾⁽⁹⁾
t_r, t_f Input rise/fall time
t_r, t_f Input rise/fall time
t_r, t_f Input rise/fall time
10%–90%
20%–80%, 143 or 270 Mbps
20%–80%, 1483 or 1485
Mbps
Logic inputs
SDI
t_r, t_f
t_r, t_f
F_REF
Output rise/fall time
Output rise/fall time
Reference Clock
Frequency
10%–90%
20%–80% ⁽¹⁰⁾
Logic outputs
SDO, SCO
F_TOL
Reference Clock
Frequency Tolerance
Typ
143
270
1483
1485
2
10
1
1.5
1.5
90
27
±50
Max
3
60
55
16
6
3
1500
270
3
130
Units
MHz
MHz
MHz
MHz
ps_RMS
%
%
ms
ms
ns
ps
ps
ns
ps
MHz
ppm
(8) Spec is ensured by design.
(9) Measured from first SDI transition until Lock Detect (LD) output goes high (true).
(10) R_L = 100Ω differential.
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