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Hittite Microwave Corporation

HMC674LP3E Datasheet Preview

HMC674LP3E Datasheet

Latched Comparator

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v00.1110
1
Typical Applications
The HMC675LP3E is ideal for:
• ATE Applications
• High Speed Instrumentation
• Digital Receiver Systems
• Pulse Spectroscopy
• High Speed Trigger Circuits
• Clock & Data Restoration
Functional Diagram
HMC675LP3E
10 GHz LATCHED COMPARATOR
WITH RSCML OUTPUTwwSwT.ADaGtaESheet4U.com
Features
Propagation Delay: 100 ps
Overdrive & Slew Rate Dispersion: 10 ps
Minimum Pulse Width: 60 ps
Resistor Programmable Hysteresis
Differential Latch Control
Active Gain: 43 dB
Power Dissipation: 100 mW
RSPECL and RSECL Versions Available
16 Lead 3x3mm SMT Package: 9mm2
General Description
The HMC675LP3E is a SiGe monolithic, ultra fast
comparator which features reduced swing CML 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 CML output stage
is designed to directly drive 400 mV into 50 Ohms
terminated to GND. The HMC675LP3E features high
speed latch and programmable hysteresis and may
be configured to operate in either latch mode, or as a
tracking comparator.
1-1
Electrical Specifications, TA = +25° C Vcci= +3.3 V, Vcco = 0 V, Vee = -3 V, VTERM = 0
Parameter
Conditions
Min.
Typ.
Input Voltage Range
-2
Input Differential Voltage
-1.75
Input Offset Voltage
±5
Input Offset Voltage, Temperature Coefficient
15
Input Bias Current
15
Input Bias Current Temperature Coefficient
50
Input Offset Current
4
Input Impedance
50
Common Mode Input Impedance
350
Differential Input Impedance
15
Active Gain
43
Common Mode Rejection Ratio
80
Hysteresis
Rhys = ∞
±1
Max
2
1.75
Units
V
V
mV
µV / °C
uA
nA / °C
µA
Ω
dB
dB
mV
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com




Hittite Microwave Corporation

HMC674LP3E Datasheet Preview

HMC674LP3E Datasheet

Latched Comparator

No Preview Available !

v00.1110
Latch Enable Characteristics
Parameter
Latch Enable Input Impedance
Latch to Output Delay, tPDOL, tPDOH
Latch Minimum Pulse Width, tPL
Latch Enable Input Range
Latch Setup Time, ts
Latch Hold Time, tH
Conditions
Each Pin
VOD = 200 mV
VOD = 200 mV
VOD = 200 mV
VOD = 200 mV
HMC675LP3E
10 GHz LATCHED COMPARATOR
WITH RSCML OUTPUTwwSwT.ADaGtaESheet4U.com
1
Min.
Typ.
Max
Units
8 KΩ
85 ps
20 ps
1.6 2.4 V
45 ps
-42 ps
DC Output Characteristics, with 50 Ω to GND
Parameter
Output Voltage High Level, Voh
Output Voltage Low Level, Vol
Output Voltage Differential Swing
Conditions
Min.
-10
-420
410
Typ.
-400
400
Max
0
-380
380
Units
mV
mV
mV
AC Performance
Parameter
Propagation Delay - tPD, tPDL, tPDH
Propagation Delay, Temperature Coefficient
Propagation Delay Skew
(Rising to Falling Transition)
VOD Dispersion
Tpd vs. Common Mode Dispersion,
-1.75V <Vcm <1.75V
Noise (RTI)
Equivalent Input Bandwidth [1]
Deterministic Jitter (pp)
Random Jitter (rms)
Minimum Pulse Width
Q / QB Rise Time
Q / QB Fall Time
Conditions
VOD = 500 mV
VOD - 500 mV
50mV < VOD < 1 V
VOD = 500 mV
Deterministic Jitter at 10 Gbps
with ±100mV Overdrive
Random Jitter at 10 Gbps
with ±100mV Overdrive
From 20% to 80%
From 20% to 80%
Min.
70
8.5
Typ.
100
0.45
10
10
3
3.2
10
2
0.2
60
27
18
Max
130
10.5
Units
ps
ps / °C
ps
ps
ps
nV/√(Hz) RTI
GHz
ps
ps rms
ps
ps
ps
Power Supply Requirements
Parameter
Conditions
Min.
Typ.
Max
Units
Input Supply Current, Icci
9 mA
Output Supply Current, Icco
8 mA
Vee Current, lee
24 mA
Power Dissipation, Pd
100 mW
PSRR, Vcci
35 dB
PSRR, Vee
35 dB
Note 1: Equivalent Input Bandwidth is calculated with the following formula: Bweq=0.22/√ (TRCOMP2-TRIN2) where TRIN is the 20%/80%
transition time of a quasi-Gaussian signal applied to the comparator input, and TRCOMP is the effective transition time digitized by the
comparator.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
1-2


Part Number HMC674LP3E
Description Latched Comparator
Maker Hittite Microwave Corporation
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