Datasheet AD8468 (Analog Devices) - 3

Data Sheet AD8468 SPECIFICATIONS ELECTRICAL CHARACTERISTICS
VCC = 2.5 V, TA = −40°C to +125°C. Typical values are TA = 25°C, unless otherwise noted.
Table 1. Parameter Symbol Conditions 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 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 −10.0 ±3 +10.0 mV Bias Current IP, IN −0.4 +0.4 μA Offset Current −1.0 +1.0 μA Capacitance CP, CN 1 pF Resistance, Differential Mode −0.5 V to VCC + 0.5 V 200 7000 kΩ Resistance, Common Mode −0.5 V to VCC + 0.5 V 100 4000 kΩ Active Gain AV 80 dB Common-Mode Rejection CMRR VCC = 2.5 V, VCM = −0.2 V to +2.7 V 45 dB VCC = 5.5 V 45 dB SHUTDOWN PIN CHARACTERISTICS1 VIH Comparator is operating 2.0 VCC V VIL Shutdown guaranteed −0.2 +0.4 +0.4 V IIH VIH = VCC −6 +6 μA Sleep Time tSD lCC < 100 μA 300 ns Wake-Up Time tH VPP = 10 mV, output valid 150 ns DC OUTPUT CHARACTERISTICS Output Voltage High Level VOH IOH = 0.8 mA VCC − 0.4 V Output Voltage Low Level 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 VCC = 2.5 V 4.5 ns Transition VCC = 5.5 V 8 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 550 800 μA VCC = 5.5 V 800 1300 μA Power Dissipation PD VCC = 2.5 V 1.375 2.0 mW VCC = 5.5 V 4.95 7.15 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 250 350 μA 1 The output is in a high impedance mode when the device is in shutdown mode. Note that this feature should 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, VCCI = 2.5 V, unless otherwise noted. Rev. A | Page 3 of 12 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION 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 PROPAGATIONDELAY DISPERSION CROSSOVER BIAS POINT MINIMUM INPUT SLEW RATE REQUIREMENT TYPICAL APPLICATION CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS