Datasheet LTC2368-18 (Analog Devices) - 7

LTC2368-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V, fSMPL = 1Msps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
99.0 –110 1.0 98.5 –115 THD 98.0 0.5 MAX INL –120 SNR 2ND 97.5 SINAD MAX DNL –125 97.0 0 –130 MIN DNL 96.5 3RD SNR, SINAD (dBFS) –135 96.0 INL/DNL ERROR (LSB) HARMONICS, THD (dBFS) –0.5 MIN INL 95.5 –140 95.0 –145 –1.0 –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) 236818 G10 236818 G11 236818 G12
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
20 10 6 IVDD 15 8 5 6 10 4 4 5 2 0 0 3 –5 –2 2 OFFSET ERROR (LSB) –4 FULL-SCALE ERROR (LSB) –10 –6 POWER SUPPLY CURRENT (mA) 1 I –15 REF IOVDD –8 –20 –10 0 –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) 236818 G13 236818 G15 236818 G14
Reference Current Shutdown Current vs Temperature CMRR vs Input Frequency vs Reference Voltage
45 100 0.6 IVDD + IOVDD + IREF 40 95 0.5 35 30 90 0.4 25 85 0.3 20 CMRR (dB) 15 80 0.2 POWER-DOWN CURRENT (µA) 10 REFERENCE CURRENT (mA) 75 0.1 5 0 70 0 –55 –35 –15 5 25 45 65 85 105 125 0 100 200 300 400 500 2.5 3 3.5 4 4.5 5 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 236818 G16 236818 G17 236818 G18 236818f 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Timing Diagrams Board Layout Package Description Typical Application Related Parts