LT1715_15 Datasheet, PDF (1/20 Pages) Linear Technology – 4ns, 150MHz Dual Comparator with Independent Input/Output Supplies

LT1715
FEATURES
4ns, 150MHz
Dual Comparator with
Independent Input/Output Supplies
DESCRIPTION
n _{UltraFast: 4ns at 20mV Overdriven}
n _{150MHz Toggle Frequency}
n _{Separate Input and Output Power Supplies}
n _{Low Power: 4.6mA per Comparator at 3V}
n _{Pinout Optimized for High Speed Use}
n _{Output Optimized for 3V and 5V Supplies}
n _{TTL/CMOS Compatible Rail-to-Rail Output}
n _{Input Voltage Range Extends 100mV}
Below Negative Rail
n _{Internal Hysteresis with Specified Limits}
n _{Specified for –40°C to 125°C Temperature Range}
n _{Available in the 10-pin MSOP Package}
APPLICATIONS
n _{High Speed Differential Line Receivers}
n _{Level Translators}
n _{Window Comparators}
n _{Crystal Oscillator Circuits}
n _{Threshold Detectors/Discriminators}
n _{High Speed Sampling Circuits}
n _{Delay Lines}
The LT^®1715 is an UltraFast™ dual comparator optimized for
low voltage operation. Separate supplies allow independent
analog input ranges and output logic levels with no loss of
performance. The input voltage range extends from 100mV
below V_EE to 1.2V below V_CC. Internal hysteresis makes the
LT1715 easy to use even with slow moving input signals.
The rail-to-rail outputs directly interface toTTL and CMOS.
The symmetric output drive results in similar rise and fall
times that can be harnessed for analog applications or for
easy translation to other single supply logic levels.
The LT1715 is available in the 10-pin MSOP package. The
pinout of the LT1715 minimizes parasitic effects by placing
the most sensitive inputs away from the outputs, shielded
by the power rails.
For a dual/quad single supply comparator with simi-
lar propagation delay, see the LT1720/LT1721. For a
single comparator with similar propagation delay, see
the LT1719.
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
UltraFast is a trademark of Linear Technology Corporation.
TYPICAL APPLICATION
100MHz Dual Differential Line Receiver
5V
3V
+
IN A
–
OUT A
+
IN B
–
–5V
OUT B
1715 TA01
Line Receiver Response to 100MHz Clock,
50MHz Data Both with 25mV_P-P Inputs
3V
CLOCK OUT
0V
3V
1V/DIV
DATA OUT
0V
FET PROBES
5ns/DIV
1V/DIV
1715 TA02
1715fa
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