Rail-to-Rail, Very Fast, 2.5 V to 5.5 V,
Single-Supply CML Comparators
ADCMP606/ADCMP607
GENERAL DESCRIPTION
FEATURES
Fully specified rail to rail at VCCI = 2.5 V to 5.5 V
Input common-mode voltage from −0.2 V to VCCI + 0.2 V
CML-compatible output stage
1.25 ns propagation delay
50 mW @ 2.5 V power supply
The ADCMP606 and ADCMP607 are very fast comparators
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 − 0.5 V to
VCCI + 0.2 V, low noise, CML-compatible output drivers, and
Shutdown pin
TTL-/CMOS-compatible latch inputs with adjustable hysteresis
and/or shutdown inputs.
Single-pin control for programmable hysteresis and latch
(ADCMP607 only)
Power supply rejection > 60 dB
−40°C to +125°C operation
The devices offer 1.25 ns propagation delay with 2.5 ps rms
random jitter (RJ). Overdrive and slew rate dispersion are
typically less than 50 ps.
APPLICATIONS
A flexible power supply scheme allows the devices to operate
with a single +2.5 V positive supply and a −0.5 V to +2.7 V
input signal range up to a +5.5 V positive supply with a −0.5 V
to +5.7 V input signal range. The ADCMP607 features split
input/output supplies with no sequencing restrictions to
support a wide input signal range with independent output
swing control and power savings.
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)
The CML-compatible output stage is fully back-matched for
superior performance. 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. On
the ADCMP607, latch and programmable hysteresis features are
also provided with a unique single-pin control option.
The ADCMP606 is available in a 6-lead SC70 package and the
ADCMP607 is available in a 12-lead LFCSP package.
FUNCTIONAL BLOCK DIAGRAM
V
CCO
(ADCMP607 ONLY)
V
CCI
V
NONINVERTING
INPUT
P
Q OUTPUT
Q OUTPUT
CML
ADCMP606/
ADCMP607
V
INVERTING
INPUT
N
LE/HYS INPUT (ADCMP607 ONLY)
INPUT (ADCMP607 ONLY)
S
DN
Figure 1.
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registeredtrademarks arethe property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ©2006–2007 Analog Devices, Inc. All rights reserved.
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