LMH0340_08 Datasheet, PDF (6/24 Pages) National Semiconductor (TI) – 3G, HD, SD, DVB-ASI SDI Serializer and Driver with LVDS Interface

SDI Output Characteristics — LMH0340 / LMH0040 / LMH0070
Over supply and Operating Temperature ranges unless otherwise specified. (Note 2)
Symbol
V_OD
DR
t_r
t_f
Δt_t
t_SD
Parameter
SDI Output Voltage
SDI Output Datarate
SDI Output Rise Time
SDI Output Fall Time
Mismatch between rise and fall time
Propagation Delay Latency
Condition
into 75Ω load
LMH0340
LMH0040
LMH0070
2.97 Gbps
1.485 Gbps
<1.485 Gbps
2.97 Gbps
1.485 Gbps
<1.485 Gbps
≥1.485 Gbps
(Note 9)
See Figure 4
Min
Typ
720
800
270
270
270
90
90
400
700
90
90
400
700
9.5
t_J
Peak to Peak Alignment Jitter
≥1.485 Gbps(Note 6)
30
270 Mbps(Note 6)
100
RL
Output Return Loss — EVK
Measured 5 MHz to 1485 MHz
15
20
Specification
(Note 12)
Measured 1485 MHz to 2970
10
15
MHz
t_OS
Output Overshoot
(Note 9)
2.97 Gbps
1.485 Gbps
270 Mbps
CML Output Characteristics — LMH0050
Over supply and Operating Temperature ranges unless otherwise specified. (Note 2)
Symbol
V_OD
DR
t_r
t_f
t_J
R_OUT
Parameter
Output Voltage
Data Rate
Output Rise Time
Output Fall Time
Peak-to-Peak Alignment Jitter
Output Termination Resistance
Condition
into 100 Ω differential load
1.485 Gbps
Output Pin to V_DD2V5 Pin
Min
Typ
1175
270
25
40
50
Max
880
2,970
1,485
135
220
1000
135
220
1000
30
Units
mV
Mbps
Mbps
Mbps
ps
ps
ps
ps
ps
ps
ps
TXCLK
cycle
50
ps
200
ps
dB
dB
8
%
5
%
2
%
Max
1450
1485
100
100
50
60
Units
mV
Mbps
ps
ps
ps
Ω
www.national.com
6