Datasheet AD8469 (Analog Devices) - 3

ManufacturerAnalog Devices
DescriptionFast, Rail-to-Rail, Low Power, 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator
Pages / Page12 / 3 — Data Sheet. AD8469. SPECIFICATIONS ELECTRICAL CHARACTERISTICS. Table 1. …
File Format / SizePDF / 264 Kb
Document LanguageEnglish

Data Sheet. AD8469. SPECIFICATIONS ELECTRICAL CHARACTERISTICS. Table 1. Parameter. Symbol. Test Conditions/Comments. Min. Typ. Max. Unit

Data Sheet AD8469 SPECIFICATIONS ELECTRICAL CHARACTERISTICS Table 1 Parameter Symbol Test Conditions/Comments Min Typ Max Unit

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Data Sheet AD8469 SPECIFICATIONS ELECTRICAL CHARACTERISTICS
VCC = 2.5 V, TA = −40°C to +125°C, typical values at TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
DC INPUT CHARACTERISTICS Voltage Range VP, VN VCC = 2.5 V to 5.5 V −0.2 VCC + 0.2 V Common-Mode Range VCM VCC = 2.5 V to 5.5 V −0.2 VCC + 0.2 V Differential Voltage VCC = 2.5 V to 5.5 V VCC V Offset Voltage VOS −5.0 ±3 +5.0 mV Bias Current IP, IN −0.4 +0.4 µA Offset Current −1.0 +1.0 µA Capacitance CP, CN 1 pF Differential Mode Resistance −0.5 V to VCC + 0.5 V 200 7000 kΩ Common-Mode Resistance −0.5 V to VCC + 0.5 V 100 4000 kΩ Active Gain AV 80 dB Common-Mode Rejection Ratio CMRR VCM = −0.2 V to +2.7 V, VCC = 2.5 V 50 dB VCM = −0.2 V to +2.7 V, VCC = 5.5 V 50 dB Hysteresis RHYS = ∞ 0.1 mV HYSTERESIS MODE AND TIMING Hysteresis Mode Bias Voltage Current = 1 μA 1.145 1.25 1.35 V Minimum Resistor Value Hysteresis = 120 mV 30 120 kΩ SHUTDOWN PIN CHARACTERISTICS1 Input Voltage High VIH Comparator is operating 2.0 VCC V Input Voltage Low VIL Shutdown guaranteed −0.2 +0.4 V Input Current High IIH VIH = VCC −6 +6 µA Sleep Time tSD lCC < 100 µA 300 ns Wake-Up Time tH VP = 10 mV, output valid 150 ns DC OUTPUT CHARACTERISTICS VCC = 2.5 V Output Voltage High VOH IOH = 0.8 mA VCC − 0.4 V Output Voltage Low VOL IOL = 0.8 mA 0.4 V AC PERFORMANCE2 Rise Time/Fall Time tR/tF 10% to 90%, VCC = 2.5 V 25 to 50 ns 10% to 90%, VCC = 5.5 V 45 to 75 ns Propagation Delay tPD VOD = 10 mV, VCC = 2.5 V 30 to 50 ns VOD = 50 mV, VCC = 5.5 V 35 to 60 ns Propagation Delay Skew Rising-to-Falling Transition VCC = 2.5 V 4.5 ns VCC = 5.5 V 8 ns Q to Q VCC = 2.5 V 3 ns VCC = 5.5 V 4 ns Overdrive Dispersion 10 mV < VOD < 125 mV 12 ns Common-Mode Dispersion −0.2 V < VCM < VCC + 0.2 V 1.5 ns POWER SUPPLY Supply Voltage Range VCC 2.5 5.5 V Positive Supply Current IVCC VCC = 2.5 V 550 650 μA VCC = 5.5 V 800 1100 μA Power Dissipation PD VCC = 2.5 V 1.4 1.7 mW VCC = 5.5 V 4.5 7 mW Power Supply Rejection Ratio PSRR VCC = 2.5 V to 5.5 V −50 dB Shutdown Current ISD VCC = 2.5 V to 5.5 V 150 260 μA 1 The output is high impedance when the device is in shutdown mode. Note that this feature must be used with care because 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, VCC = 2.5 V, unless otherwise noted. Rev. 0 | Page 3 of 12 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Electrical Characteristics Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Applications Information Power/Ground Layout and Bypassing TTL-/CMOS-Compatible Output Stage Optimizing Performance Comparator Propagation Delay Dispersion Comparator Hysteresis Crossover Bias Point Minimum Input Slew Rate Requirement Typical Applications Circuits Outline Dimensions Ordering Guide Automotive Products