Datasheet LTC2387-18 (Analog Devices) - 7

LTC2387-18
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, VDDL = 2.5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 15Msps, unless otherwise noted. THD vs Input Frequency and Amplitude SFDR vs Input Level, f IN IN = 2kHz SFDR vs Input Level, f fIN = 1MHz IN = 1MHz
–70 150 150 –1dBFS –3dBFS 140 140 –80 –6dBFS dBFS 130 dBFS –10dBFS 130 –90 120 120 –100 110 110 100 dBc 100 dBc –110 THD (dBFS) 90 90 SFDR (dBFS, dBc) –120 SFDR (dBFS, dBc) 80 80 70 –130 70 60 60 –140 50 0.01 0.1 1 10 50 –80 –70 –60 –50 –40 –30 –20 –10 0 FREQUENCY (MHz) –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) 238718 G09 INPUT LEVEL (dBFS) 238718 G11 238718 G10
SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN f = 2kHz, -1dBFS IN = 2kHz, –1dBFS IN = 2kHz,
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1dBFS INL/DNL vs Temperature
98 –110 1.00 SNR THD MAX INL SINAD 2ND MAX DNL 0.75 97 3RD MIN DNL MIN INL –115 0.50 96 0.25 95 –120 0 –0.25 94 SNR, SINAD (dBFS) INL/DNL ERROR (LSB) THD, HARMONICS (dBFS) –125 –0.50 93 –0.75 92 –130 –1.00 –40 –20 0 20 40 60 80 –40 –20 0 20 40 60 80 –40 –20 0 20 40 60 80 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 238718 G12 238718 G13 238718 G14
Full-Scale Error vs Temperature, REFBUF = 4.096V Zero-Scale Error vs Temperature Supply Current vs Temperature
6 6 35 4 4 30 25 2 + FS 2 20 0 0 IVDDL IVDD 15 Y CURRENT (mA) IOVDD –2 – FS –2 10 FULL-SCALE ERROR (LSB) SUPPL ZERO-SCALE ERROR (LSB) –4 –4 5 –6 –6 0 –40 –20 0 20 40 60 80 –40 –20 0 20 40 60 80 –40 –20 0 20 40 60 80 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 238718 G15 238718 G16 238718 G17 238718fa For more information www.linear.com/LTC2387-18 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 Package Description Typical Application Related Parts