FEATURES
10 mV sensitivity rail to rail at VCC = 2.5 V
Input common-mode voltage from −0.2 V to VCC + 0.2 V
Low glitch CMOS-/TTL-compatible output stage
3 ns propagation delay
15 mW at 3.3 V
Shutdown pin
Single-pin control for programmable hysteresis and latch
Power supply rejection > 60 dB
Improved replacement for MAX999
−40°C to +125°C operation
FUNCTIONAL BLOCK DIAGRAM
NONINVERTING
INPUT
INVERTING
INPUT
ADCMP600/
ADCMP601/
ADCMP602
LE/HYS
(Except ADCMP600)
SDN
(ADCMP602 Only)
Q OUTPUT
05914-001
Preliminary Technical Data
Rail-to-Rail, Very Fast, 2.5 V to 5.5 V,
Single-Supply TTL/CMOS Comparators
ADCMP600/ADCMP601/ADCMP602
Figure 1.
APPLICATIONS
High speed instrumentation
Clock and data signal restoration
Logic level shifting or translation
Pulse spectroscopy
High speed line receivers
Threshold detection
Peak and zero-crossing detectors
High speed trigger circuitry
Pulse-width modulators
Current-/voltage-controlled oscillators
Automatic test equipment (ATE)
GENERAL DESCRIPTION
The ADCMP600, ADCMP601, and ADCMP602 are very fast
comparators fabricated on Analog Devices’ proprietary XFCB2
process. These comparators are exceptionally versatile and easy
to use. Features include an input range from VEE − 0.5 V to VCC +
0.5 V, low noise TTL-/CMOS-compatible output drivers, and
latch inputs with adjustable hysteresis and/or shutdown inputs.
The devices offer 3 ns propagation delay with 5 mV overdrive
on 4 mA typical supply current.
A flexible power supply scheme allows the devices to operate
with a single +2.5 V positive supply and a −0.5 V to +3.0 V
input signal range up to a +5.5 V positive supply with a −0.5 V
to +6 V input signal range. Split input/output supplies with no
sequencing restrictions on the ADCMP602 support a wide
input signal range while still allowing independent output
swing control and power savings.
The TTL-/CMOS-compatible output stage is designed to drive
up to 5 pF with full timing specs and to degrade in a graceful
and linear fashion as additional capacitance is added. The
comparator input stage offers robust protection against large
input overdrive, and the outputs do not phase reverse when the
valid input signal range is exceeded. High speed latch and
programmable hysteresis features are also provided with a
unique single-pin control option.
The ADCMP600 is available in both 5-lead SC70 and SOT-23
packages, the ADCMP601 is available in a 6-lead SC70 package,
and the ADCMP602 is available in 8-lead MSOP and LSCFP
packages.
Rev. PrA
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