Datasheet LTC2379-18 (Analog Devices) - 7

LTC2379-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 1.6Msps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
103 –110 2 SNR 102 SINAD –115 MAX INL 101 1 THD 100 –120 3RD MAX DNL 0 99 MIN DNL –125 SNR, SINAD (dBFS) 98 HARMONICS, THD (dBFS) 2ND INL/DNL ERROR (LSB) –1 MIN INL –130 97 96 –135 –2 –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) 237918 G08 237918 G09 237918 G10
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
8 2.0 8 6 –FS 1.5 7 IVDD 4 1.0 6 2 0.5 5 0 0 Y CURRENT (mA) 4 –2 –0.5 3 OFFSET ERROR (LSB) FULL-SCALE ERROR (LSB) –4 –1.0 2 POWER SUPPL IREF –6 +FS –1.5 1 IOVDD –8 –2.0 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) 237918 G11 237918 G12 237918 G13
Reference Current vs Shutdown Current vs Temperature CMRR vs Input Frequency Reference Voltage
45 100 1.0 IVDD + IOVDD + IREF 40 0.9 95 0.8 35 0.7 30 90 0.6 25 85 0.5 20 CMRR (dB) 0.4 15 80 0.3 10 REFERENCE CURRENT (mA) POWER-DOWN CURRENT (µA) 0.2 75 5 0.1 0 70 0 –55 –35 –15 5 25 45 65 85 105 125 0 200 400 600 800 2.5 3.0 3.5 4.0 4.5 5.0 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 237918 G14 237918 G15 237918 G18 237918fb For more information www.linear.com/LTC2379-18 7 Document Outline Features Applications Typical Application Description 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 Board Layout Package Description Revision History Typical Application Related Parts