Datasheet LTC2337-18 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 18-Bit, 500ksps, ±10.24V True Bipolar, Fully Differential Input ADC with 100dB SNR |
| Seiten / Seite | 26 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 749 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V,
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LTC2337-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 500ksps, 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) 233718 G10 233718 G11 233718 G12
Internal Reference Output vs Supply Current vs Temperature Sleep Current vs Temperature Temperature
8 120 2.0484 7 VDD 2.0483 100 6 2.0482 80 5 2.0481 4 60 2.0480 CURRENT (mA) 3 CURRENT (µA) 2.0479 40 2 2.0478 20 1 INTERNAL REFERENCE OUTPUT (V) 2.0477 OVDD 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) 233718 G13 233718 G14 233718 G15
Internal Reference Output Temperature Coefficient Distribution CMRR vs Input Frequency Supply Current vs Sampling Rate
35 80 8 7 30 75 VDD 6 25 TS 70 5 AR 20 65 4 15 CMRR (dB) Y CURRENT (mA) 3 60 NUMBER OF P 10 SUPPL 2 55 5 1 OVDD 0 50 0 –10 –8 –6 –4 –2 0 2 4 6 8 10 0 50 100 150 200 250 0 100 200 300 400 500 DRIFT (ppm/°C) FREQUENCY (kHz) SAMPLING FREQUENCY (kHz) 233718 G16 233718 G17 233718 G18 233718fa For more information www.linear.com/LTC2337-18 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics 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
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 500ksps, 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) 233718 G10 233718 G11 233718 G12
Internal Reference Output vs Supply Current vs Temperature Sleep Current vs Temperature Temperature
8 120 2.0484 7 VDD 2.0483 100 6 2.0482 80 5 2.0481 4 60 2.0480 CURRENT (mA) 3 CURRENT (µA) 2.0479 40 2 2.0478 20 1 INTERNAL REFERENCE OUTPUT (V) 2.0477 OVDD 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) 233718 G13 233718 G14 233718 G15
Internal Reference Output Temperature Coefficient Distribution CMRR vs Input Frequency Supply Current vs Sampling Rate
35 80 8 7 30 75 VDD 6 25 TS 70 5 AR 20 65 4 15 CMRR (dB) Y CURRENT (mA) 3 60 NUMBER OF P 10 SUPPL 2 55 5 1 OVDD 0 50 0 –10 –8 –6 –4 –2 0 2 4 6 8 10 0 50 100 150 200 250 0 100 200 300 400 500 DRIFT (ppm/°C) FREQUENCY (kHz) SAMPLING FREQUENCY (kHz) 233718 G16 233718 G17 233718 G18 233718fa For more information www.linear.com/LTC2337-18 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics 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