adcmp609brmz1 Analog Devices, Inc., adcmp609brmz1 Datasheet

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adcmp609brmz1

Manufacturer Part Number
adcmp609brmz1
Description
Rail-to-rail, Fast, Low Power 2.5 V To 5.5 V, Single-supply Ttl/cmos Comparator
Manufacturer
Analog Devices, Inc.
Datasheet
FEATURES
Fully specified rail to rail at V
Input common-mode voltage from −0.2 V to 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 V
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.
Rev. 0
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 registered trademarks are the property of their respective owners.
EE
− 0.2 V to V
CC
= 2.5 V to 5.5 V
CC
+ 0.2 V, low noise, TTL-/
Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V,
CC
+ 0.2 V
Single-Supply TTL/CMOS Comparator
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
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.
NONINVERTING
INVERTING
FUNCTIONAL BLOCK DIAGRAM
INPUT
INPUT
©2007 Analog Devices, Inc. All rights reserved.
+
ADCMP609
Figure 1.
S
DN
ADCMP609
Q OUTPUT
www.analog.com

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adcmp609brmz1 Summary of contents

Page 1

... The ADCMP609, available in an 8-lead MSOP package, features a shutdown pin and hysteresis control. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ADCMP609 + INPUT ADCMP609 Q OUTPUT – INPUT S DN Figure 1. www.analog.com ©2007 Analog Devices, Inc. All rights reserved. ...

Page 2

ADCMP609 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Characteristics............................................................. 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution.................................................................................. 4 Pin Configuration ...

Page 3

SPECIFICATIONS ELECTRICAL CHARACTERISTICS −40 °C to +125 °C; typical value Table 1. Parameter DC INPUT CHARACTERISTICS Voltage Range Common-Mode Range Differential Voltage Offset Voltage Bias Current Offset Current Capacitance Resistance, ...

Page 4

ADCMP609 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltages Supply Voltage (V to GND) CC Supply Differential Input Voltages Input Voltage Differential Input Voltage Maximum Input/Output Current Shutdown Control Pin Applied Voltage (SDN to GND) Maximum Input/Output Current Hysteresis Control ...

Page 5

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. ADCMP609 Pin Function Descriptions Pin No. Mnemonic Description Supply Noninverting Analog Input Inverting Analog Input Shutdown. Drive this pin low ...

Page 6

ADCMP609 TYPICAL PERFORMANCE CHARACTERISTICS 25°C, unless otherwise noted 400 300 200 V = 2.5V CC 100 0 –100 –200 –300 –400 – HYS PIN VOLTAGE (V) Figure 3. ...

Page 7

Q Q 0.5V/DIV Figure 9. 1 MHz Output Voltage Waveform at V 10ns/DIV 1V/DIV = 2.5 V Figure 10. 1 MHz Output Voltage Waveform Rev Page ADCMP609 Q Q 10ns/DIV = 5.5 ...

Page 8

ADCMP609 APPLICATION INFORMATION POWER/GROUND LAYOUT AND BYPASSING The ADCMP609 comparator is a high speed device. Despite the low noise output stage essential to use proper high speed design techniques to achieve the specified performance. Because comparators are uncompensated ...

Page 9

Propagation delay dispersion is a specification that becomes important in high speed, time-critical applications, such as data communication, automatic test and measurement, and instru- mentation also important in event-driven applications, such as pulse spectroscopy, nuclear instrumentation, and medical ...

Page 10

ADCMP609 With the pin driven low, hysteresis may become large, but in this device, the effect is not reliable or intended as a latch function. CROSSOVER BIAS POINT Rail-to-rail inputs of this type, in both op amps and comparators, have ...

Page 11

TYPICAL APPLICATION CIRCUITS 5V 20kΩ 39kΩ ADCMP609 HYS 39kΩ 470pF CONTROL VOLTAGE 0V TO 2.5V 150kΩ 150kΩ Figure 16. Voltage-Controlled Oscillator 5V 10kΩ INPUT ADCMP609 0.02µF V REF 10kΩ 0.1µF HYS Figure 17. Duty Cycle to Differential Voltage Converter 2.5V ...

Page 12

... ORDERING GUIDE Temperature Model Range 1 ADCMP609BRMZ −40°C to +125°C 1 ADCMP609BRMZ-REEL −40°C to +125°C 1 ADCMP609BRMZ-REEL7 −40°C to +125° RoHS Compliant Part. ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 3.20 3.00 2.80 5. 3.20 4.90 3.00 4.65 2. PIN 1 0 ...

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