LMH7322 Dual 700 ps High Speed Comparator with RSPECL Outputs
June 2007
LMH7322
Dual 700 ps High Speed Comparator with RSPECL Outputs
General Description
The LMH7322 is a dual comparator with 700 ps propagation
delay and low dispersion of 75 ps. The input voltage range
extends from V
CC
-1.5V to V
EE
. The devices can be operated
from a wide input supply voltage range of 2.7V to 12V. The
adjustable hysteresis adds flexibility and prevents oscilla-
tions. The outputs and latch inputs of the LMH7322 are
RSPECL compatible.
The LMH7322 is available in a 24-pin LLP package.
Features
(V
CCI
= +5V, V
CCO
= +5V)
700 ps
鈻?/div>
Propagation delay
75 ps
鈻?/div>
Overdrive dispersion 20 mV-1V
160 ps
鈻?/div>
Fast rise and fall times
2.7V to 12V
鈻?/div>
Wide supply range
鈻?/div>
Input common mode range extends 200 mV below
negative rail
鈻?/div>
Adjustable hysteresis
鈻?/div>
RSPECL outputs (see application note)
鈻?/div>
(RS)PECL latch inputs (see application note)
Applications
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
Digital receivers
High-speed signal restoration
Zero-crossing detectors
High-speed sampling
Window comparators
High-speed signal triggering
Typical Application
(RS)ECL to RSPECL Converter
20183205
漏 2007 National Semiconductor Corporation
201832
www.national.com
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