ADCMP609 Datasheet, PDF (1/12 Pages) Analog Devices – Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator

Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V,
Single-Supply TTL/CMOS Comparator
ADCMP609
FEATURES
Fully specified rail to rail at VCC = 2.5 V to 5.5 V
Input common-mode voltage from −0.2 V to VCC + 0.2 V
Low glitch CMOS-/TTL-compatible output stage
40 ns propagation delay
Low power 1 mW at 2.5 V
Shutdown pin
Programmable hysteresis
Power supply rejection > 60 dB
−40°C to +125°C operation
APPLICATIONS
High speed instrumentation
Clock and data signal restoration
Logic level shifting or translation
High speed line receivers
Threshold detection
Peak and zero-crossing detectors
High speed trigger circuitry
Pulse-width modulators
Current-/voltage-controlled oscillators
GENERAL DESCRIPTION
The ADCMP609 is a fast comparator fabricated on XFCB2, an
Analog Devices, Inc. proprietary process. These comparators
are exceptionally versatile and easy to use. Features include an
input range from VEE − 0.2 V to VCC + 0.2 V, low noise, TTL-/
CMOS-compatible output drivers, and adjustable hysteresis
and/or shutdown inputs.
The device offers 40 ns propagation delay driving a 15 pF load
with 10 mV overdrive on 500 μA typical supply current.
A flexible power supply scheme allows the devices to operate
with a single +2.5 V positive supply and a −0.2 V to +3.0 V
input signal range up to a +5.5 V positive supply with a −0.2 V
to +5.7 V input signal range.
FUNCTIONAL BLOCK DIAGRAM
NONINVERTING
INPUT
INVERTING
INPUT
+
ADCMP609
–
Q OUTPUT
S_DN
Figure 1.
The TTL-/CMOS-compatible output stage is designed to drive
up to 15 pF with full rated timing specifications and to degrade
in a graceful and linear fashion as additional capacitance is added.
The comparator’s input stage offers robust protection against
large input overdrive, and the outputs do not phase reverse
when the valid input signal range is exceeded. A programmable
hysteresis features is also provided.
The ADCMP609, available in an 8-lead MSOP package, features
a shutdown pin and hysteresis control.
Rev. 0
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