LMH0318_15 Datasheet, PDF (9/57 Pages) Texas Instruments – LMH0318 3 Gbps HD/SD SDI Reclocker with Integrated Cable Driver

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LMH0318
SNLS508 – SEPTEMBER 2015
Electrical Characteristics (continued)
Over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
R_{DIFF_OUT0}
DC output single ended
resistance
T_{R_F_OUT1}
Output rise/fall time
Full Slew Rate, 20% to
80% using 8T Pattern
T_{R_F_OUT0}
Output rise/fall time,
PRBS15 ⁽³⁾⁽⁴⁾
2.97 Gbps
1.485 Gbps
270 Mbps
T_{R_F_OUT0_delta}
Output rise/fall time
mismatch ^{(3) (4)}
2.97 Gbps
1.485 Gbps
270 Mbps
V_{OVR_UDR_SHOOT}
Output overshoot,
undershoot^{(3) (4)}
3G/HD/SD Measured with
8T pattern
V_{DC_OFFSET}
V_{DC_WANDER}
DC offset
DC wander
3G/HD/SD
3G/HD/SD EQ
Pathological
RL_{OUT0_S22}
OUT0 single ended 75-Ω
return loss^(3)(4)(6)
S22 5 MHz to 1.485 GHz
S22 1.485 GHz to 3 GHz
RL_{OUT1_SDD22}
OUT1 differential 100-Ω
return loss⁽⁴⁾⁽⁷⁾
SDD22 10 MHz - 2 GHz
SDD22 2 GHz - 3 GHz
RL_{OUT1_SCC22}
OUT1 common mode 50- SCC22 10 MHz - 3 GHz
Ω return loss⁽⁴⁾⁽⁷⁾
V_{VCM_OUT1_NOISE}
AC common mode voltage VOD = 0.6 Vpp, DE = 0dB,
noise ⁽⁴⁾
PRBS31, 2.97 Gbps
T_{RCK_LATENCY}
Latency reclocked
Reclocked Data
T_{RAW_LATENCY}
Latency CDR bypass
Raw Data
TRANSMIT OUTPUT JITTER SPECIFICATIONS
A_{J_OUT0}
Alignment jitter⁽⁴⁾
OUT0, PRBS15, 2.97
Gbps
T_{J_OUT1}
Total jitter (1E-12)⁽⁴⁾
OUT1, PRBS15 2.97 Gbps
R_{J_OUT1}
Random jitter (rms)
OUT1, PRBS15, 2.97
Gbps
D_{J_OUT1}
Deterministic jitter
OUT1, PRBS15, 2.97
Gbps
MIN
TYP
75
45
35
35
400
900
3
3
72
2.4%
±0.2
20
< -15
< -10
-20
-17
-11
8
1.5 UI +195
230
0.045
0.06
0.91
6.8
(6) Output return loss is dependent on board design, this is measured with the LMH1218EVM evaluation board
(7) Measure with the device powered up and outputs a clock signal.
MAX
45
45
1500
18
18
500
<10%
UNIT
Ω
ps
ps
ps
ps
ps
ps
ps
V
mV
dB
dB
dB
dB
dB
mV_RMS
ps
ps
UI
UI
ps_RMS
ps_P-P
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