Datasheet LTC2326-18 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | 18-Bit, 250ksps, ±10.24V True Bipolar, Pseudo-Differential Input ADC with 95dB SNR |
| Pages / Page | 26 / 8 — Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| File Format / Size | PDF / 518 Kb |
| Document Language | English |
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V,
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LTC2326-18
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFIN = 2.048V, fSMPL = 250ksps, 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 10 MAX INL 2 0.5 5 1 0 MAX DNL 0 0 MIN DNL –0.5 –5 –1 MIN INL OFFSET ERROR (LSB) –2 INL, DNL ERROR (LSB) –1.0 FULL-SCALE ERROR (LSB) –10 –3 –1.5 –15 –4 –2.0 –20 –5 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232618 G10 232618 G11 232618 G12
Internal Reference Output vs Supply Current vs Temperature Sleep Current vs Temperature Temperature
6 120 2.0484 2.0483 5 VDD 100 2.0482 4 80 2.0481 I + – IN = IIN = 0V) 3 60 2.0480 CURRENT (mA) CURRENT (µA) 2.0479 2 40 2.0478 1 20 INTERNAL REFERENCE OUTPUT (V) 2.0477 OVDD 0 0 2.0476 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232618 G13 232618 G14 232618 G15
Internal Reference Output Temperature Coefficient Distribution CMRR vs Input Frequency Supply Current vs Sampling Rate
35 80 12 30 75 10 VDD (IN+ = –10.24V) 25 70 8 20 65 6 15 VDD (IN+ = 0V) CMRR (dB) NUMBER OF PARTS 60 4 10 SUPPLY CURRENT (mA) VDD (IN+ = 10.24V) 5 55 2 OVDD 0 50 0 –10 –8 –6 –4 –2 0 2 4 6 8 10 0 25 50 75 100 125 0 50 100 150 200 250 DRIFT (ppm/°C) FREQUENCY (kHz) SAMPLING FREQUENCY (kHz) 232618 G16 232618 G17 232618 G18 232618fb 8 For more information www.linear.com/LTC2326-18 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 = 250ksps, 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 10 MAX INL 2 0.5 5 1 0 MAX DNL 0 0 MIN DNL –0.5 –5 –1 MIN INL OFFSET ERROR (LSB) –2 INL, DNL ERROR (LSB) –1.0 FULL-SCALE ERROR (LSB) –10 –3 –1.5 –15 –4 –2.0 –20 –5 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232618 G10 232618 G11 232618 G12
Internal Reference Output vs Supply Current vs Temperature Sleep Current vs Temperature Temperature
6 120 2.0484 2.0483 5 VDD 100 2.0482 4 80 2.0481 I + – IN = IIN = 0V) 3 60 2.0480 CURRENT (mA) CURRENT (µA) 2.0479 2 40 2.0478 1 20 INTERNAL REFERENCE OUTPUT (V) 2.0477 OVDD 0 0 2.0476 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 –40 –25 –10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 232618 G13 232618 G14 232618 G15
Internal Reference Output Temperature Coefficient Distribution CMRR vs Input Frequency Supply Current vs Sampling Rate
35 80 12 30 75 10 VDD (IN+ = –10.24V) 25 70 8 20 65 6 15 VDD (IN+ = 0V) CMRR (dB) NUMBER OF PARTS 60 4 10 SUPPLY CURRENT (mA) VDD (IN+ = 10.24V) 5 55 2 OVDD 0 50 0 –10 –8 –6 –4 –2 0 2 4 6 8 10 0 25 50 75 100 125 0 50 100 150 200 250 DRIFT (ppm/°C) FREQUENCY (kHz) SAMPLING FREQUENCY (kHz) 232618 G16 232618 G17 232618 G18 232618fb 8 For more information www.linear.com/LTC2326-18 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
