HFA2-0003L-9 Intersil Corporation, HFA2-0003L-9 Datasheet

HFA2-0003L-9

Manufacturer Part Number

HFA2-0003L-9

Description

Ultra High Speed Comparator

Manufacturer

Intersil Corporation

Datasheet

1.HFA2-0003L-9.pdf (4 pages)

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September 1998

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143

Part Number Information

HFA1-0003L-5

HFA1-0003L-9

HFA2-0003L-5

HFA2-0003L-9

HFA3-0003-5

HFA3-0003-9

HFA3-0003L-5

HFA3-0003L-9

Features

• Low Propagation Delay (0003/0003L) . . . . . . . . . . 2.0/2.1ns

• Low Latch Set Up Time . . . . . . . . . . . . . . . . . . . . . . . . 0.8ns

• Low Offset Voltage, Drift Coefficient . . . . . 1.0mV, 4PV/

• Wide Common Mode Range . . . . . . . . . . . . . . . . +5.2/-2.8V

• Low Power Dissipation . . . . . . . . . . . . . . . . . . . . . . 200mW

• Large Differential Input Resistance . . . . . . . . . . . . . . .1M:

• Complementary ECL Outputs; 50: Driving Capability

• Resistor Programmable Hysteresis with HFA-0003L

• Pin Compatible with MAX9690/9685 and AD96685

• Available in SOIC

Applications

• 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

Pinouts

+IN

-IN

NUMBER

V+

V-

PART

HFA-0003 (PDIP, CDIP, SOIC)

TOP VIEW

TEMPERATURE

-40

C to +75

RANGE

C to +85

Intersil (and design) is a registered trademark of Intersil Americas Inc.

GND 1 (DIGITAL)

GND 2 (ANALOG)

Q OUT

16 Lead Ceramic Sidebraze DIP

10 Pin CAN

8 Lead Plastic DIP

16 Lead Plastic DIP

PACKAGE

HFA-0003L (PDIP, CDIP, 150 mil SOIC)

(DIGITAL)

GND1

+IN

-IN

V+

V-

TOP VIEW

3-33

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: transmission lines. Both outputs

are open emitter structures, requiring external pull-down

resistors. The recommended circuit is 50: 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.

GND 2

(ANALOG)

Q OUT

HYS

Ultra High Speed Comparator

HFA-0003L

HFA-0003,

+IN

HFA-0003L (TO-100 CAN)

-IN

V+

TOP VIEW

(DIGITAL)

GND1

File Number

V-

HYS

GND 2

(ANALOG)

Q OUT

2749.5

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