Datasheet

LMH0307
SNLS286I –APRIL 2008–REVISED APRIL 2013 www.ti.com
AC Electrical Characteristics
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified
(1)
.
Symbol Parameter Conditions Reference Min Typ Max Units
DR
SDI
Input Data Rate SDI, SDI 2970 Mbps
t
jit
Additive Jitter 2.97 Gbps SDO, SDO 20 ps
P-P
1.485 Gbps 18 ps
P-P
270 Mbps 15 ps
P-P
t
r
,t
f
Output Rise Time, Fall Time SD/HD = 0, 20% – 80%, 90 130 ps
SD/HD = 1, 20% – 80% 400 800 ps
Mismatch in Rise/Fall Time SD/HD = 0 30 ps
SD/HD = 1 50 ps
Duty Cycle Distortion SD/HD = 0, 2.97 Gbps
(2)
27 ps
SD/HD = 0, 1.485 Gbps
(2)
30 ps
SD/HD = 1
(2)
100 ps
t
OS
Output Overshoot SD/HD = 0
(2)
10 %
SD/HD = 1
(2)
8 %
t
SK
SDO1 to SDO0 Skew SD/HD = 0
(2)
8 ps
SD/HD = 1
(2)
54 ps
RL
SDO
Output Return Loss 5 MHz - 1.5 GHz
(3)
15 dB
1.5 GHz - 3.0 GHz
(3)
10 dB
SMBus AC Specifications
f
SMB
Bus Operating Frequency 10 100 kHz
t
BUF
Bus free time between Stop
4.7 µs
and Start Condition
t
HD:STA
Hold time after (repeated) Start At I
SPULLUP
= MAX
Condition. After this period, the 4.0 µs
first clock is generated.
t
SU:STA
Repeated Start Condition setup
4.7 µs
time
t
SU:STO
Stop Condition setup time 4.0 µs
t
HD:DAT
Data hold time 300 ns
t
SU:DAT
Data setup time 250 ns
t
LOW
Clock low period 4.7 µs
t
HIGH
Clock high period 4.0 50 µs
t
F
Clock/Data Fall Time 300 ns
t
R
Clock/Data Rise Time 1000 ns
t
POR
Time in which device must be
500 ms
operational after power on
(1) Typical values are stated for V
CC
= +3.3V and T
A
= +25°C.
(2) Specification is ensured by characterization.
(3) Output return loss is dependent on board design. The LMH0307 meets this specification on the SD307 evaluation board.
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