Datasheet AD641 (Analog Devices) - 5

TABLE I. Electrical performance characteristics. Conditions Test Symbol -55C  TA +125C Group A Device Limits Unit unless otherwise specified subgroups type Min Max Total absolute dc TA IOUT = 1 mA x log10 1 01, 02 -0.9 0.9 dB accuracy (|VIN| / 1 mV), VIN = 1 mV to 100 mV 2,3 -1.8 1.8 IOUT = 1 mA x log10 1 -1.5 1.5 (|VIN| / 1 mV), VIN = 1 mV to 100 mV, 2,3 -2.0 2.0 using attenuator Total absolute dc TA VS = 4.5 V to 7.5 V, 1 01, 02 -1.0 1.0 dB accuracy transfer IOUT = 1 mA x log10 function versus supplies (|VIN| / 1 mV), VIN = 1 mV to 100 mV, TA = +25C DC linearity LEdc VIN = 1 mV to 100 mV, 1 01, 02 -0.6 0.6 dB TA = +25C Input offset voltage VOS Differential 1 01, 02 -200 200 V 2,3 -300 300 Slope current IYdc At dc 1,2,3 01 0.98 1.02 mA 02 0.96 1.02 Slope current versus IYdc VS = 4.5 V to 7.5 V, 1 01, 02 -0.4 0.4 %V supplies TA = +25C Intercept voltage VXdc At dc 1 01, 02 0.95 1.05 mV 2,3 0.90 1.10 Using attenuator, 1 9.0 11.0 TA = +25C Application resistors RA 1 01, 02 995 1005 2,3 990 1010
STANDARD
SIZE
5962-95598 MICROCIRCUIT DRAWING A
DLA LAND AND MARITIME REVISION LEVEL SHEET COLUMBUS, OHIO 43218-3990 D 5 DSCC FORM 2234 APR 97