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LMH0344SQE Datasheet(PDF) 3 Page - Texas Instruments

Part No. LMH0344SQE
Description  3 Gbps HD/SD SDI Adaptive Cable Equalizer
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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LMH0344SQE Datasheet(HTML) 3 Page - Texas Instruments

 
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LMH0344
www.ti.com
SNLS233L – APRIL 2007 – REVISED APRIL 2013
DC Electrical Characteristics
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified
(1) (2).
Symbol
Parameter
Conditions
Reference
Min
Typ
Max
Units
VCMIN
Input Common Mode Voltage
SDI, SDI
1.9
V
VSDI
Input Voltage Swing
At LMH0344 input(3) (4)
720
800
950
mVP−P
VCMOUT
Output Common Mode Voltage
SDO, SDO
VCC
V
VSDO/2
VSDO
Output Voltage Swing
100
Ω load, differential
750
mVP-P
MUTEREF DC Voltage (floating)
MUTEREF
1.3
V
MUTEREF Range
0.6
V
CD Output Voltage
Carrier not present
CD
2.4
V
Carrier present
0.4
V
MUTE Input Voltage
Min to mute outputs
MUTE
2.0
V
Max to force outputs active
0.8
V
ICC
Supply Current
85
100
mA
(1)
Current flow into device pins is defined as positive. Current flow out of device pins is defined as negative. All voltages are stated
referenced to VEE = 0 Volts.
(2)
Typical values are stated for VCC = +3.3V and TA = +25°C.
(3)
Specification is ensured by characterization.
(4)
This specification is for 0m cable only.
AC Electrical Characteristics
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified
(1).
Symbol
Parameter
Conditions
Reference
Min
Typ
Max
Units
BRMIN
Minimum Input Data Rate
SDI, SDI
125
Mbps
BRMax
Maximum Input Data Rate
2970
Mbps
Jitter for Various Cable Lengths 270 Mbps, Belden 1694A,
0.2
UI
0-400 meters (2)
270 Mbps, Belden 1694A,
0.07
UI
0-400 meters (3)
1.485 Gbps, Belden 1694A,
0.25
UI
0-140 meters (2)
1.485 Gbps, Belden 1694A,
0.08
UI
0-140 meters (3)
2.97 Gbps, Belden 1694A,
0.3
UI
0-120 meters (2)
2.97 Gbps, Belden 1694A,
0.18
UI
0-120 meters (3)
tr,tf
Output Rise Time, Fall Time
20% – 80%(4)
SDO, SDO
60
130
ps
Mismatch in Rise/Fall Time
(4)
2
15
ps
tOS
Output Overshoot
(4)
1
5
%
ROUT
Output Resistance
single-ended
50
RLIN
Input Return Loss
5 MHz - 1.5 GHz(5)
SDI, SDI
15
dB
1.5 GHz - 3.0 GHz(5)
10
dB
RIN
Input Resistance
single-ended
1.3
k
CIN
Input Capacitance
single-ended
1
pF
(1)
Typical values are stated for VCC = +3.3V and TA = +25°C.
(2)
Based on characterization data over the full range of recommended operating conditions of the device. Jitter is measured in accordance
with SMPTE RP 184, SMPTE RP 192, and the applicable serial data transmission standard: SMPTE 424M, SMPTE 292M, or SMPTE
259M.
(3)
Measured with Pseudo Matrix Pathological test signal.
(4)
Specification is ensured by characterization.
(5)
Input return loss is dependent on board design. The LMH0344 exceeds this specification on the SD344 evaluation board with a return
loss network consisting of an 8.2 nH inductor in parallel with a 0.5 pF capacitor in parallel with the 75
Ω series resistor on the input.
Copyright © 2007–2013, Texas Instruments Incorporated
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