TTL/CMOS Comparator. ADCMP609 Datasheet

ADCMP609 Comparator. Datasheet pdf. Equivalent


Analog Devices ADCMP609
Data Sheet
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 TTL-/CMOS-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
SDN
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 input stage of the comparator 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 feature is also provided.
The ADCMP609, available in an 8-lead MSOP package, features
a shutdown pin and hysteresis control.
Rev. C
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ADCMP609 Datasheet
Recommendation ADCMP609 Datasheet
Part ADCMP609
Description Single-Supply TTL/CMOS Comparator
Feature ADCMP609; www.DataSheet4U.com Rail-to-Rail, Fast, Low Power, 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparato.
Manufacture Analog Devices
Datasheet
Download ADCMP609 Datasheet




Analog Devices ADCMP609
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 and Function Descriptions............................. 5
Typical Performance Characteristics ............................................. 6
REVISION HISTORY
11/14—Rev. B to Rev. C
Change to Figure 9 and Figure 10 .................................................. 7
6/14—Rev. A to Rev. B
Added Storage Temperature Range of −65°C to +150°C ............ 4
Updated Outline Dimensions ....................................................... 12
8/08—Rev. 0 to Rev. A
Changes to Table 4............................................................................ 5
Changes to Ordering Guide .......................................................... 12
7/07—Revision 0: Initial Version
Data Sheet
Applications Information .................................................................8
Power/Ground Layout and Bypassing........................................8
TTL-/CMOS-Compatible Output Stage ....................................8
Optimizing Performance..............................................................8
Comparator Propagation Delay Dispersion..................................8
Comparator Hysteresis .................................................................9
Crossover Bias Point .....................................................................9
Minimum Input Slew Rate Requirement ................................ 10
Typical Applications Circuits........................................................ 11
Outline Dimensions ....................................................................... 12
Ordering Guide .......................................................................... 12
Rev. C | Page 2 of 12



Analog Devices ADCMP609
Data Sheet
ADCMP609
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VCC = 2.5 V, TA = −40°C to +125°C; typical value is TA = 25°C, unless otherwise noted.
Table 1.
Parameter
DC INPUT CHARACTERISTICS
Voltage Range
Common-Mode Range
Differential Voltage
Offset Voltage
Bias Current
Offset Current
Capacitance
Resistance, Differential Mode
Resistance, Common Mode
Active Gain
Common-Mode Rejection Ratio
Hysteresis
HYSTERESIS MODE AND TIMING
Hysteresis Mode Bias Voltage
Minimum Resistor Value
SHUTDOWN PIN CHARACTERISTICS1
VIH
VIL
IIH
Sleep Time
Wake-Up Time
DC OUTPUT CHARACTERISTICS
Output Voltage High Level
Output Voltage Low Level
AC PERFORMANCE2
Rise Time/Fall Time
Propagation Delay
Propagation Delay Skew, Rising to Falling Transition
Propagation Delay Skew, Q to Q
Overdrive Dispersion
Common-Mode Dispersion
POWER SUPPLY
Supply Voltage Range
Positive Supply Current
Power Dissipation
Power Supply Rejection Ratio
Shutdown Current
Symbol Conditions
VP, VN
VOS
IP, IN
CP, CN
AV
CMRR
VCC = 2.5 V to 5.5 V
VCC = 2.5 V to 5.5 V
VCC = 2.5 V to 5.5 V
−0.5 V to VCC + 0.5 V
−0.5 V to VCC + 0.5 V
VCC = 2.5 V
VCM = −0.2 V to +2.7 V
VCC = 5.5 V
RHYS = ∞
Current − 1 μA
Hysteresis = 120 mV
Comparator is operating
Shutdown guaranteed
VIH = VCC
tSD lCC < 100 µA
tH VPP = 10 mV, output valid
VCC = 2.5 V to 5.5 V
VOH IOH = 0.8 mA, VCC = 2.5 V
VOL IOL = 0.8 mA, VCC = 2.5 V
VCC = 2.5 V to 5.5 V
tR/tF 10% to 90%, VCC = 2.5 V
10% to 90%, VCC = 5.5 V
tPD VOD = 10 mV, VCC = 2.5 V
VOD = 50 mV, VCC = 5.5 V
VCC = 2.5 V
VCC = 5.5 V
VCC = 2.5 V
VCC = 5.5 V
10 mV < VOD < 125 mV
−0.2 V < VCM < VCC + 0.2 V
VCC
IVCC
PD
PSRR
ISD
VCC = 2.5 V
VCC = 5.5 V
VCC = 2.5 V
VCC = 5.5 V
VCC = 2.5 V to 5.5 V
VCC = 2.5 V to 5.5 V
Min Typ Max
Unit
−0.2
−0.2
−5.0 ±3
−0.4
−1.0
1
200
100
80
50
VCC + 0.2 V
VCC + 0.2 V
VCC
+5.0
+0.4
+1.0
7000
4000
V
V
V
mV
µA
µA
pF
kΩ
dB
dB
50
0.1
dB
mV
1.145
30
1.25
1.35
120
V
kΩ
2.0 VCC
−0.2 +0.4 +0.4
−6 +6
300
150
V
V
µA
ns
ns
VCC − 0.4
V
0.4 V
25 to 50
45 to 75
30 to 50
35 to 60
4.5
8
3
4
12
1.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2.5 5.5
550 650
800 1100
1.4 1.7
4.5 7
−50
150 260
V
μA
μA
mW
mW
dB
μA
1 The output is a high impedance mode when the device is in shutdown mode. Note that this feature is to be used with care since the enable/disable time is much
longer than with a true tristate output.
2 VIN = 100 mV square input at 1 MHz, VCM = 0 V, CL = 15 pF, VCCI = 2.5 V, unless otherwise noted.
Rev. C | Page 3 of 12







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