Datasheet LTC2338-18 (Analog Devices) - 7

LTC2338-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 1Msps, unless otherwise noted. INL/DNL vs Temperature Full-Scale Error vs Temperature Offset Error vs Temperature
2.0 20 5 1.5 15 4 3 1.0 MAX INL 10 2 0.5 5 MAX DNL 1 0 0 0 MIN DNL –0.5 –5 –1 INL, DNL ERROR (LSB) OFFSET ERROR (LSB) –2 –1.0 MIN INL FULL-SCALE ERROR (LSB) –10 –3 –1.5 –15 –4 –2.0 –20 –5 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 233818 G10 233818 G11 233818 G12
Internal Reference Output vs Supply Current vs Temperature Sleep Current vs Temperature Temperature
12 120 2.0484 VDD 2.0483 10 100 2.0482 8 80 2.0481 6 60 2.0480 CURRENT (mA) 2.0479 4 CURRENT (µA) 40 2.0478 2 20 INTERNAL REFERENCE OUTPUT (V) OV 2.0477 DD 0 0 2.0476 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 233818 G13 233818 G14 233818 G15
Internal Reference Output Temperature Coefficient Distribution CMRR vs Input Frequency Supply Current vs Sampling Rate
35 80 12 30 75 10 V 25 DD TS 70 8 AR 20 65 6 15 CMRR (dB) Y CURRENT (mA) NUMBER OF P 60 4 10 SUPPL 5 55 2 OVDD 0 50 0 –10 –8 –6 –4 –2 0 2 4 6 8 10 0 100 200 300 400 500 0 100 200 300 400 500 600 700 800 900 1000 DRIFT (ppm/°C) FREQUENCY (kHz) SAMPLING FREQUENCY (kHz) 233818 G16 233818 G17 233818 G18 233818fa For more information www.linear.com/LTC2338-18 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts