Datasheet ADGS1408, ADGS1409 (Analog Devices) - 6

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ADGS1408/ ADGS1409 Data Sheet Parameter +25°C −40°C to +85°C −40°C to +125°C Unit Test Conditions/Comments
DIGITAL INPUTS Input Voltage High, VINH 2 V min 3.3 V < VL ≤ 5.5 V 1.35 V min 2.7 V ≤ VL ≤ 3.3 V Low, VINL 0.8 V max 3.3 V < VL ≤ 5.5 V 0.8 V max 2.7 V ≤ VL ≤ 3.3 V Input Current, IINL or IINH 0.001 μA typ VIN = VGND or VL ±0.1 μA max Digital Input Capacitance, CIN 4 pF typ DYNAMIC CHARACTERISTICS1 Transition Time, tTRANSITION 320 ns typ RL = 100 Ω, CL = 35 pF 440 515 570 ns max VS = 3 V, see Figure 40 tON (EN) 265 ns typ RL = 100 Ω, CL = 35 pF 365 425 470 ns max VS = 3 V, see Figure 41 tOFF (EN) 245 ns typ RL = 100 Ω, CL = 35 pF 330 370 400 ns max VS = 3 V, see Figure 41 Break-Before-Make Time Delay, tD 95 ns typ RL = 100 Ω, CL = 35 pF 55 ns min VS1 = VS2 = 3 V, see Figure 39 Charge Injection, QINJ –10 pC typ VS = 0 V, RS = 0 Ω, CL = 1 nF, see Figure 42 Off Isolation –64 dB typ RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 34 Channel to Channel Crosstalk –70 dB typ RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 33 Total Harmonic Distortion + Noise 0.06 % typ RL = 110 Ω, 5 V p-p, f = 20 Hz to 20 kHz, see Figure 36 −3 dB Bandwidth RL = 50 Ω, CL = 5 pF, see Figure 37 ADGS1408 40 MHz typ ADGS1409 80 MHz typ Insertion Loss 0.5 dB typ RL = 50 Ω, CL = 5 pF, f = 1 MHz, see Figure 26 and Figure 27 CS (Off ) 20 pF typ VS = 0 V, f = 1 MHz CD (Off ) VS = 0 V, f = 1 MHz ADGS1408 130 pF typ ADGS1409 65 pF typ CD (On), CS (On) VS = 0 V, f = 1 MHz ADGS1408 180 pF typ ADGS1409 120 pF typ POWER REQUIREMENTS VDD = +5.5 V, VSS = −5.5 V IDD 0.002 μA typ Digital inputs = 0 V or VL, VL = 5.5 V 1 μA max 14 μA typ S8/S4A closed, VL = 2.7 V 20 μA max Rev. 0 | Page 6 of 34 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAMS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ±15 V DUAL SUPPLY ±5 V DUAL SUPPLY 12 V SINGLE SUPPLY CONTINUOUS CURRENT PER CHANNEL, Sx OR Dx TIMING CHARACTERISTICS Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS TERMINOLOGY THEORY OF OPERATION ADDRESS MODE ERROR DETECTION FEATURES CRC Error Detection SCLK Count Error Detection Invalid Read/Write Address Error Detection CLEARING THE ERROR FLAGS REGISTER BURST MODE SOFTWARE RESET DAISY-CHAIN MODE POWER-ON RESET ROUND ROBIN MODE GENERAL-PURPOSE OUTPUTS (GPOs) APPLICATIONS INFORMATION DIGITAL INPUT BUFFERS POWER SUPPLY RAILS POWER SUPPLY RECOMMENDATIONS POWER SUPPLY SEQUENCING REGISTER SUMMARIES REGISTER DETAILS SWITCH DATA REGISTER ERROR CONFIGURATION REGISTER ERROR FLAGS REGISTER BURST ENABLE REGISTER ROUND ROBIN ENABLE REGISTER ROUND ROBIN CHANNEL CONFIGURATION REGISTER CNV EDGE SELECT REGISTER SOFTWARE RESET REGISTER OUTLINE DIMENSIONS ORDERING GUIDE