Datasheet LTC2389-18 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 18-Bit, 2.5Msps SAR ADC with Pin-Configurable Analog Input Range and 99.8dB SNR |
| Pages / Page | 40 / 10 — Typical. perFormance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| File Format / Size | PDF / 930 Kb |
| Document Language | English |
Typical. perFormance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, VREF = 4.096V
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LTC2389-18
Typical perFormance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, VREF = 4.096V External Reference, Pseudo-Differential Unipolar Range (PD/FD = OVDD, OB/2C = OVDD), fSMPL = 2.5Msps, unless otherwise noted. THD, Harmonics vs Temperature, fIN = 2kHz INL/DNL vs Temperature Offset Error vs Temperature
–105 2 2.0 THD 1.5 –110 MAX INL 1 1.0 –115 2ND MAX DNL 0.5 –120 3RD 0 0 MIN DNL –0.5 –125 /DNL ERROR (LSB) MIN INL THD, HARMONICS (dB) INL OFFSET ERROR (LSB) –1 –1.0 –130 –1.5 –135 –2 –2.0 –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) 238918 G28 238918 G29 238918 G30
Full-Scale Error vs Temperature CMRR vs Input Frequency
60 80 55 50 75 45 40 35 70 30 25 65 20 CMRR (dB) 15 60 10 FULL-SCALE ERROR (LSB) 5 0 55 –5 –10 50 –55 –35 –15 5 25 45 65 85 105 125 0 250 500 750 1000 1250 TEMPERATURE (°C) FREQUENCY (kHz) 238918 G31 238918 G32 238918f 10 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Analog Input Converter Characteristics Dynamic Accuracy Reference Characteristics Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Package Description Typical Application Related Parts
Typical perFormance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, VREF = 4.096V External Reference, Pseudo-Differential Unipolar Range (PD/FD = OVDD, OB/2C = OVDD), fSMPL = 2.5Msps, unless otherwise noted. THD, Harmonics vs Temperature, fIN = 2kHz INL/DNL vs Temperature Offset Error vs Temperature
–105 2 2.0 THD 1.5 –110 MAX INL 1 1.0 –115 2ND MAX DNL 0.5 –120 3RD 0 0 MIN DNL –0.5 –125 /DNL ERROR (LSB) MIN INL THD, HARMONICS (dB) INL OFFSET ERROR (LSB) –1 –1.0 –130 –1.5 –135 –2 –2.0 –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) 238918 G28 238918 G29 238918 G30
Full-Scale Error vs Temperature CMRR vs Input Frequency
60 80 55 50 75 45 40 35 70 30 25 65 20 CMRR (dB) 15 60 10 FULL-SCALE ERROR (LSB) 5 0 55 –5 –10 50 –55 –35 –15 5 25 45 65 85 105 125 0 250 500 750 1000 1250 TEMPERATURE (°C) FREQUENCY (kHz) 238918 G31 238918 G32 238918f 10 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Analog Input Converter Characteristics Dynamic Accuracy Reference Characteristics Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Package Description Typical Application Related Parts
