Datasheet AD8293G80, AD8293G160 (Analog Devices) - 4

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AD8293G80/AD8293G160
VCC = 2.7 V to 5.0 V, VCM = −0 V, VREF = VCC/2, VIN = VINP − VINN, TA = 25°C, tested at OUT with 10 kΩ load and ADC OUT, unless otherwise noted. Temperature specifications guaranteed by characterization.
Table 3. B Grade (Tested and Guaranteed over a Wider Supply Range to More Stringent Specifications Than the A Grade) AD8293G80B AD8293G160B Parameter Symbol Conditions Min Typ Max Min Typ Max Unit
COMMON-MODE REJECTION CMR VCC = 5 V, VCM = 0 V to 3.3 V; 110 140 110 140 dB −40°C ≤ TA ≤ +85°C VCC = 2.7 V, VCM = 0 V to 1 V; 106 140 106 140 dB −40°C ≤ TA ≤ +85°C NOISE PERFORMANCE Voltage Noise en p-p f = 0.01 Hz to 10 Hz 0.7 0.7 μV p-p Voltage Noise Density en f = 1 kHz 35 35 nV/√Hz INPUT CHARACTERISTICS Input Offset Voltage VOS 5 30 3 20 μV vs. Temperature ΔVOS/ΔT −40°C ≤ TA ≤ +85°C, VCC = 5 V 0.02 0.3 0.02 0.3 μV/°C vs. Temperature ΔVOS/ΔT −40°C ≤ TA ≤ +85°C, VCC = 2.7 V 0.01 0.5 0.01 0.5 μV/°C Input Bias Current IB −40°C ≤ TA ≤ +85°C 0.4 2 0.4 2 nA Input Offset Current IOS 4 4 nA Input Operating Impedance Differential 50||1 50||1 MΩ||pF Common Mode 10||10 10||10 GΩ||pF Input Voltage Range 0 VCC − 1.7 0 VCC − 1.7 V DYNAMIC RESPONSE Small Signal Bandwidth1 BW Filter limited; measured at 500 500 Hz ADC OUT Slew Rate SR Filter limited Filter limited Settling Time2 ts 0.1% 500 Hz filter, VO = 2 V step; 1.9 1.9 ms measured at ADC OUT 0.01% 2.4 2.4 ms Internal Clock Frequency 60 60 kHz GAIN 80 160 Gain Error VO = 0.075 V to 4.925 V 0.3 0.5 0.3 0.5 % Gain Drift −40°C ≤ TA ≤ +85°C 5 25 5 25 ppm/°C Nonlinearity VO = 0.075 V to 4.925 V 0.003 0.009 0.003 0.009 % FS OUTPUT CHARACTERISTICS Output Voltage High VOH VCC − VCC − V 0.075 0.075 Output Voltage Low VOL 0.075 0.075 V Short-Circuit Current ISC VCC = 5 V ±35 ±35 mA VCC = 2.7 V ±25 ±25 mA REFERENCE CHARACTERISTICS VREF Range 0.8 VCC − 0.8 0.8 VCC − 0.8 V REF Pin Current IREF 0.01 1 0.01 1 nA POWER SUPPLY Operating Range 1.8 5.5 1.8 5.5 V Power Supply Rejection PSR VCC = 1.8 V to 5.5 V, VCM = 0 V 100 120 100 120 dB Supply Current ISY IO = 0 mA, VIN = 0 V 1.0 1.3 1.0 1.3 mA −40°C ≤ TA ≤ +85°C 1.5 1.5 mA TEMPERATURE RANGE Specified Range −40 +85 −40 +85 °C 1 Higher bandwidths result in higher noise. 2 Settling time is determined by filter setting. Rev. 0 | Page 4 of 16 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 THEORY OF OPERATION HIGH PSR AND CMR 1/f NOISE CORRECTION APPLICATIONS INFORMATION OVERVIEW REFERENCE CONNECTION OUTPUT FILTERING CLOCK FEEDTHROUGH POWER SUPPLY BYPASSING INPUT OVERVOLTAGE PROTECTION OUTLINE DIMENSIONS ORDERING GUIDE