AD8468WBKSZ-R7 Analog Devices Inc, AD8468WBKSZ-R7 Datasheet

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AD8468WBKSZ-R7

Manufacturer Part Number
AD8468WBKSZ-R7
Description
R-R InputTTL/CMOSOut,Comparitor
Manufacturer
Analog Devices Inc
Type
General Purposer
Datasheet

Specifications of AD8468WBKSZ-R7

Number Of Elements
1
Output Type
CMOS, Rail-to-Rail, TTL
Voltage - Supply
2.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
6-TSSOP, SC-88, SOT-363
Comparator Type
Low Power
No. Of Comparators
1
Response Time
40ns
Ic Output Type
CMOS, TTL
Output Compatibility
CMOS, TTL
Supply Current
800µA
Supply Voltage Range
2.5V To 5.5V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AD8468WBKSZ-R7TR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD8468WBKSZ-R7
Manufacturer:
ADI/亚德诺
Quantity:
20 000
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: 2 mW at 2.5 V
Shutdown pin
Power supply rejection > 60 dB
−40°C to +125°C operation
Qualified for automotive applications
APPLICATIONS
Automotive 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 AD8468 is a fast comparator fabricated on XFCB2.0, an
Analog Devices, Inc., proprietary process. This comparator is
exceptionally versatile and easy to use. Features include an input
range from −0.2 V to V
compatible output drivers, and shutdown inputs. The device
offers 40 ns propagation delays driving a 15 pF load with 10 mV
overdrive on 500 µA typical supply current.
A flexible power supply scheme allows the device to operate
with a single 2.5 V positive supply with a −0.2 V to + 2.7 V
input signal range and 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.
CC
+ 0.2 V, low noise, TTL-/CMOS-
CC
= 2.5 V to 5.5 V
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 input stage of the comparator offers robust protec-
tion against large input overdrive, and the outputs do not phase
reverse when the valid input signal range is exceeded.
The AD8468 is available in a tiny 6-lead SC70 package with a
single-ended output and a shutdown pin.
NONINVERTING
INVERTING
FUNCTIONAL BLOCK DIAGRAM
INPUT
INPUT
©2010 Analog Devices, Inc. All rights reserved.
+
Figure 1.
AD8468
S
DN
Q OUTPUT
AD8468
www.analog.com

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AD8468WBKSZ-R7 Summary of contents

Page 1

FEATURES Fully specified rail to rail 2 5 Input common-mode voltage from −0 Low glitch CMOS-/TTL-compatible output stage 40 ns propagation delay Low power 2.5 V Shutdown ...

Page 2

AD8468 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 ...

Page 3

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

Page 4

AD8468 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltages Supply Voltage (V to GND) CC Input Voltages Input Voltage Differential Input Voltage Maximum Input/Output Current Shutdown Control Pin Applied Voltage (S to GND) DN Maximum Input/Output Current Output Current Temperature ...

Page 5

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 Q Noninverting Output logic high if the analog voltage at the noninverting input, V analog voltage at the inverting input ...

Page 6

AD8468 TYPICAL PERFORMANCE CHARACTERISTICS 25°C, unless otherwise noted –1 –2 +125°C –3 +25°C –4 –40°C –5 –1.0 –0.5 0 0.5 1.0 1 (2.5V) ...

Page 7

APPLICATIONS INFORMATION POWER/GROUND LAYOUT AND BYPASSING The AD8468 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 amplifiers, ...

Page 8

AD8468 500mV OVERDRIVE INPUT VOLTAGE 10mV OVERDRIVE Q OUTPUT Figure 10. Propagation Delay—Overdrive Dispersion INPUT VOLTAGE 1V/ns 10V/ns Q OUTPUT Figure 11. Propagation Delay—Slew Rate Dispersion CROSSOVER BIAS POINT Rail-to-rail inputs of this type, in both op amps and comparators, ...

Page 9

TYPICAL APPLICATION CIRCUITS 2. 0.1µF INPUT 2kΩ AD8468 2kΩ OUTPUT 0.1µF Figure 12. Self-Biased, 50% Slicer CMOS LVDS 100Ω AD8468 OUTPUT Figure 13. LVDS-to-CMOS Receiver Rev Page AD8468 ...

Page 10

... MAX COPLANARITY 0.10 ORDERING GUIDE Temperature 1 Model Range AD8468WBKSZ-R7 −40°C to +125°C AD8468WBKSZ-RL −40°C to +125° RoHS Compliant Part. AUTOMOTIVE PRODUCTS The AD8468WBKSZ models are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. Note that these automotive models may have specifications that differ from the commercial models; therefore, designers should review the Specifications section of this data sheet carefully ...

Page 11

NOTES Rev Page AD8468 ...

Page 12

AD8468 NOTES ©2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D08853-0- /10(0) Rev Page ...

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