Low Propagation Delay (0003/0003L) . . . . . . . . . . 2.0/2.1ns
Low Latch Set Up Time . . . . . . . . . . . . . . . . . . . . . . . . 0.8ns
Low Offset Voltage, Drift Coefficient . . . . . 1.0mV, 4碌V/
Wide Common Mode Range . . . . . . . . . . . . . . . . +5.2/-2.8V
Low Power Dissipation . . . . . . . . . . . . . . . . . . . . . . 200mW
Large Differential Input Resistance . . . . . . . . . . . . . . .1M鈩?/div>
Complementary ECL Outputs; 50鈩?Driving Capability
Resistor Programmable Hysteresis with HFA-0003L
Pin Compatible with MAX9690/9685 and AD96685
Available in SOIC
Description
The HFA-0003/0003L are monolithic, ultra high speed,
voltage comparators. These comparators combine a low
input offset voltage (1.0mV) with a low propagation delay
(2.0ns) to achieve a large dynamic input range. The low off-
set voltage also makes these comparators ideally suited for
high speed, precision analog-to-digital processing applica-
tions. The circuits have differential analog inputs, and pro-
vide complementary, ECL compatible (10K and 100K) logic
outputs. The outputs are capable of supplying the current
required by terminated 50鈩?transmission lines. Both outputs
are open emitter structures, requiring external pull-down
resistors. The recommended circuit is 50鈩?connected to -
2.0V, but any equivalent ECL termination circuit may be
used.
The HFA-0003L is a latched version of the HFA-0003. The
latch function allows the HFA-0003L to operate in sample-
hold or track-hold modes, when synchronous detection is
required. The Latch Enable (LE) input can be driven by a
standard ECL gate. See the Applications section for more
information on this feature.
The HFA-0003L also has an additional feature, user
programmable hysteresis. By connecting a resistor from the
HYS pin to GND the user can select up to 20mV of input
hysteresis. See the Applications section for more informa-
tion on this feature.
The HFA-0003 is pin compatible with the MAX9690, and
SP9680 while providing improved performance. The HFA-
0003L is pin compatible with the MAX9685, AD96685,
SP9685, HCMP96850, and the VC7695 while providing
improved performance.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Window Detector
High Speed Peak Detector
High Speed Threshold Detector
High Speed Data Acquisition Systems
Fiber Optic Decision Circuits
High Speed Phase Detector
Frequency Counter
Part Number Information
PART
NUMBER
HFA1-0003L-5
HFA1-0003L-9
HFA2-0003L-5
HFA2-0003L-9
HFA3-0003-5
HFA3-0003-9
HFA3-0003L-5
HFA3-0003L-9
TEMPERATURE
RANGE
0
o
C to +75
o
C
-40
o
C to +85
o
C
0
o
C to +75
o
C
-40
o
C to +85
o
C
0
o
C to +75
o
C
-40
o
C to +85
o
C
0
o
C to +75
o
C
-40
o
C to +85
o
C
PACKAGE
16 Lead Ceramic Sidebraze DIP
16 Lead Ceramic Sidebraze DIP
10 Pin CAN
10 Pin CAN
8 Lead Plastic DIP
8 Lead Plastic DIP
16 Lead Plastic DIP
16 Lead Plastic DIP
Pinouts
HFA-0003 (PDIP, CDIP, SOIC)
TOP VIEW
V+
+IN
-IN
V-
1
2
3
4
+
8 GND 1 (DIGITAL)
7 GND 2 (ANALOG)
6 Q OUT
5 Q OUT
HFA-0003L (PDIP, CDIP, 150 mil SOIC)
TOP VIEW
GND1 1
(DIGITAL)
V+ 2
+IN
-IN
NC
LE
NC
3
4
5
6
7
+
16 GND 2
(ANALOG)
15 NC
14 NC
13 NC
12 Q OUT
11 Q OUT
10 NC
9 HYS
HFA-0003L (TO-100 CAN)
TOP VIEW
GND1
(DIGITAL)
10
V+ 1
+IN
-IN
2
3
LE 4
5
V-
+
9
GND 2
(ANALOG)
8 Q OUT
7 Q OUT
6 HYS
V- 8
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright 漏 Intersil Americas Inc. 2002. All Rights Reserved
3-33
File Number
2749.5
DB500
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