HMC676LP3E
v02.0312
Features
The HMC676LP3E is ideal for:
Equivalent Input Bandwidth: 10 GHz
• ATE Applications
Propagation Delay: 100 ps
• High Speed Instrumentation
Overdrive & Slew Rate Dispersion: 10 ps
• Digital Receiver Systems
Minimum Pulse Width: 60 ps
• Pulse Spectroscopy
Resistor Programmable Hysteresis
• High Speed Trigger Circuits
Differential Latch Control
• Clock & Data Restoration
Power Dissipation: 120 mW
TE
Typical Applications
RSCML and RSPECL Versions Available
16 Lead 3x3 mm SMT Package: 9 mm 2
Functional Diagram
General Description
LE
The HMC676LP3E is a SiGe monolithic, ultra fast
comparator that features reduced swing (RS) ECL
output drivers and latch inputs. The comparator
supports 10 Gbps operation while providing 100 ps
propagation delay and 60 ps minimum pulse width with
0.2 ps rms random jitter (RJ). Overdrive and slew rate
dispersion are typically 10 ps, making the device ideal
for a wide range of applications from ATE to broadband
communications. The reduced swing ECL output stage
is designed to directly drive 400 mV into 50 ohms
terminated to -2 V. The HMC676LP3E features high
speed latch and programmable hysteresis and may
be configured to operate in either latch mode, or as a
tracking comparator.
B
SO
comparators - SMT
1
10 GHz LATCHED COMPARATOR
WITH RSECL OUTPUT STAGE
O
Electrical Specifications, TA = +25 °C, Vcci= +3.3 V, Vcco = 0 V, Vee = -3 V, VTERM = -2 V
Parameter
Conditions
Input Voltage Range
Input Differential Voltage
Max
Units
-2
Typ.
2
V
-1.75
1.75
V
Input Offset Voltage
±5
mV
Input Offset Voltage, Temperature Coefficient
15
µV / °C
Input Bias Current
15
uA
Input Bias Current Temperature Coefficient
50
nA / °C
Input Offset Current
4
µA
Input Impedance
50
Ω
Common Mode Input Impedance
350
KΩ
Differential Input Impedance
15
KΩ
Active Gain
45
dB
Common Mode Rejection Ratio
80
dB
±1
mV
Hysteresis
1-1
Min.
Rhys = ∞
Information
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believed orders:
to be accurate
and reliable.
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no
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Hittite
Microwave
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Chelmsford,
MA
01824Inc.,
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may
result
from
its
use.
Specifications
subject
to
change
without
notice.
No
Phone: 978-250-3343
Fax: 978-250-3373 Phone:
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HMC676LP3E
v02.0312
10 GHz LATCHED COMPARATOR
WITH RSECL OUTPUT STAGE
Parameter
Conditions
Latch Enable Input Impedance
Min.
Typ.
Each Pin
8
Max
Units
KΩ
Latch Enable to Output Delay, tPLOL , tPLOH
VOD = 200 mV
85
ps
Latch Enable Minimum Pulse Width, tPL
VOD = 200 mV
20
ps
Latch Enable Input Range
VOD = 200 mV
Latch Setup Time, tS
VOD = 200 mV
2.4
V
45
ps
-42
ps
TE
Latch Hold Time, tH
1.6
DC Output Characteristics, with 50 Ω to Vcco - 2 V
Parameter
Conditions
Min.
Typ.
Max
Units
-0.89
-0.89
-0.95
V
-1.21
-1.25
-1.35
V
320
350
400
mV
Conditions
Min.
Typ.
Max
Units
VOD = 500 mV
70
100
130
Output Voltage High Level, Voh
Output Voltage Low Level, Vol
LE
Output Voltage Differential Swing
AC Performance
Parameter
Propagation Delay - tPD, tPDL , tPDH
Propagation Delay, Temperature Coefficient
VOD Dispersion
tPD vs. Common Mode Dispersion,
-1.75 V
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