Clocked COMPARATOR. HMC875LC3C Datasheet

HMC875LC3C COMPARATOR. Datasheet pdf. Equivalent

Part HMC875LC3C
Description Clocked COMPARATOR
Feature v06.0614 HMC875LC3C 20 Gbps Clocked COMPARATOR with RSCML OUTPUT STAGE COMPARATORS - SMT Typical .
Manufacture Analog Devices
Datasheet
Download HMC875LC3C Datasheet



HMC875LC3C
v06.0614
HMC875LC3C
20 Gbps Clocked COMPARATOR
with RSCML OUTPUT STAGE
Typical Applications
Features
The HMC875LC3C is ideal for:
Propagation Delay Clock to Output: 120 ps
• ATE Applications
Overdrive & Slew Rate Dispersion: 10 ps
• High Speed Instrumentation
Minimum Pulse Width: 60 ps
• Digital Receiver Systems
Resistor Programmable Hysteresis
• Pulse Spectroscopy
• High Speed Trigger Circuits
• Clock & Data Restoration
SOLETE Functional Diagram
Differential Clock Control
Input Bandwidth: 10 GHz
Power Dissipation: 130 mW
RSPECL and RSECL Versions Available
16 Lead 3x3 mm SMT Package: 9 mm2
General Description
The HMC875LC3C is a SiGe monolithic, ultra fast
comparator that features reduced swing CML output
drivers and clock inputs. The comparator supports
20 Gbps operation while providing 120 ps clock to
data output delay and 60 ps minimum pulse width with
0.2 ps rms random jitter (RJ). 25 Gbps operation can
be achieved with reduced output voltage swing. Over-
drive and slew rate dispersion are typically 10 ps,
making the device ideal for a wide range of applicati-
ons 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
HMC875LC3C features high-speed latches with pro-
grammable hysteresis, and is configured to operate as
a clocked comparator.
B Electrical Specifications
TA = +25 ºC, Vcci= +3.3 V, Vcco = 0 V, CLK / CLK = 1.6 V to 2.4 V, Vee = -3 V, VTERM = 0 V
OParameter
Conditions
Min.
Typ.
Max
Units
Input Voltage Range
Maximum DC Input Current = 20 mA
-2
2
V
Input Differential Voltage
-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
Differential Input Impedance
15
Hysteresis
Rhys = ∞
±1
mV
1
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Trademarks and registered trademarks arAe tphepplriocpearttyioofntheSir urespppecotivret:owPnehrso. ne: 978-250-3A3p4p3licaotrionaSpuppsp@orht:iPtthitoen.ec: o1-m800-ANALOG-D



HMC875LC3C
v06.0614
HMC875LC3C
20 Gbps Clocked COMPARATOR
with RSCML OUTPUT STAGE
Clock Characteristics
Parameter
Conditions
Min.
Typ.
Max
Units
Clock Input Impedance
Each Pin
50
Ω
Clock to Data Output Delay, tpd
120
ps
Clock Input Range
1.6
2.0
2.4
V
Clock Max Frequency, fmax
25
GHz
DC Output Characteristics, Vcco = 0 V with 50 Ω to VTERM = 0 V
Parameter
Conditions
Min.
Typ.
Output Voltage High Level, Voh
-10
E Output Voltage Low Level, Vol
-420
Output Voltage Differential Swing
330
T AC Performance
Parameter
VOD Dispersion
E Tpd vs. Common Mode Dispersion,
-1.75 V <Vcm <1.75 V
Equivalent Input Bandwidth [1]
L Deterministic Jitter (pp)
Random Jitter (rms)
Minimum Pulse Width
O Q / Q Rise Time
Q / Q Fall Time
Conditions
50mV < VOD < 1 V
Min.
Typ.
10
VOD = 50 mV
3
8.3
9.6
Deterministic Jitter at 10 Gbps
with ±100 mV Overdrive
<3
Random Jitter at 10 Gbps
with ±100 mV Overdrive
0.2
60
From 20% to 80%
28
From 20% to 80%
22
S Power Supply Requirements
Parameter
Input Supply Current, Icci
B Output Supply Current, Icco
Vee Current, lee
Power Dissipation, Pd
O PSRR, Vcci
Conditions
Min.
Typ.
12
9
29
130
35
Max
0
-330
420
Units
mV
mV
mV
Max
Units
ps
ps
11.2
GHz
ps
ps rms
ps
ps
ps
Max
Units
mA
mA
mA
mW
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.
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2
Trademarks and registered trademarks arAe tphepplriocpearttyioofntheSir urespppecotivret:owPnehrso. ne: 978-250-3A3p4p3licaotrionaSpuppsp@orht:iPtthitoen.ec: o1-m800-ANALOG-D





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