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AD8468WBKSZ-R7 Datasheet(PDF) 3 Page - Analog Devices |
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AD8468WBKSZ-R7 Datasheet(HTML) 3 Page - Analog Devices |
3 / 12 page AD8468 Rev. 0 | Page 3 of 12 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 Transition VCC = 2.5 V 4.5 ns 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. |
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