Datasheet LTC2983 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Multi-Sensor High Accuracy Digital Temperature Measurement System |
| Pages / Page | 72 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Diode Error and Repeatability vs. … |
| File Format / Size | PDF / 790 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Diode Error and Repeatability vs. Temperature. Offset vs Temperature. Noise vs Temperature
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LTC2983
TYPICAL PERFORMANCE CHARACTERISTICS Diode Error and Repeatability vs Temperature Offset vs Temperature Noise vs Temperature
1.0 2.0 1.2 0.8 1.5 1.0 0.6 1.0 0.4 ) 0.8 0.2 V) 0.5 V RMS 0 0 0.6 ERROR (°C) –0.2 OFFSET (µ –0.5 NOISE (µ 0.4 –0.4 –1.0 –0.6 VDD = 5.25V 0.2 VDD = 5.25V –1.5 –0.8 VDD = 4.1V VDD = 4.1V VDD = 2.85V VDD = 2.85V –1.0 –2.0 0 –40 20 80 140 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 DIODE TEMPERATURE (°C) LTC2983 TEMPERATURE (°C) LTC2983 TEMPERATURE (°C) 2983 G27 2983 G13 2983 G14
One Shot Conversion Current vs ISLEEP vs Temperature Temperature VREFOUT vs Temperature REFOUT
60 16.0 2.5005 VDD = 5.25V VDD = 5.25V V 15.8 VDD = 4.1V 50 DD = 4.1V VDD = 2.85V 15.6 VDD = 2.85V 2.50025 15.4 40 15.2 (V) (µA) 30 (mA) 15.0 2.5 I SLEEP I IDLE 14.8 V REFOUT 20 14.6 2.49975 14.4 10 14.2 0 0 2.4995 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –30 –10 10 30 50 70 90 110 130 LTC2983 TEMPERATURE (°C) LTC2983 TEMPERATURE (°C) TEMPERATURE (°C) 2983 G15 2983 G16 2983 G28
Channel Input Leakage Current vs Adjacent Channel Offset Error vs Adjacent Channel Offset Error vs Temperature Temperature Input Fault Voltage (VDD = 5V) Input Fault Voltage
1.4 2.5 2.5 125°C 90°C 1.2 25°C 2.0 2.0 –45°C V) V) 1.0 1.5 1.5 0.8 1.0 1.0 0.6 0.5 0.5 INPUT LEAKAGE (nA) 0.4 CH2 OFFSET ERROR (µ CH2 OFFSET ERROR (µ 0 0 0.2 0 –0.5 –0.5 –1 0 1 2 3 4 5 6 4.95 5 5.05 5.1 5.15 5.2 5.25 5.3 5.35 0 –0.05 –0.1 –0.15 –0.2 –0.25 –0.3 –0.35 INPUT VOLTAGE (V) CH1 FAULT VOLTAGE (V) CH1 FAULT VOLTAGE (V) 2983 G18 2983 G25 2983 G26 2983fc 8 For more information www.linear.com/LTC2983 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Complete System Electrical Characteristics Pin Configuration ADC Electrical Characteristics Reference Electrical Characteristics Digital Inputs and Digital Outputs Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagram Overview Applications Information Thermocouple Measurements Diode Measurements RTD Measurements Thermistor Measurements Direct ADC Measurements Supplemental Information Fault Protection and Anti-Aliasing 2- and 3-Cycle Conversion Modes Running Conversions Consecutively on Multiple Channels MUX Configuration Delay Global Configuration Register Custom Thermocouples Custom RTDs Custom Thermistors Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Diode Error and Repeatability vs Temperature Offset vs Temperature Noise vs Temperature
1.0 2.0 1.2 0.8 1.5 1.0 0.6 1.0 0.4 ) 0.8 0.2 V) 0.5 V RMS 0 0 0.6 ERROR (°C) –0.2 OFFSET (µ –0.5 NOISE (µ 0.4 –0.4 –1.0 –0.6 VDD = 5.25V 0.2 VDD = 5.25V –1.5 –0.8 VDD = 4.1V VDD = 4.1V VDD = 2.85V VDD = 2.85V –1.0 –2.0 0 –40 20 80 140 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 DIODE TEMPERATURE (°C) LTC2983 TEMPERATURE (°C) LTC2983 TEMPERATURE (°C) 2983 G27 2983 G13 2983 G14
One Shot Conversion Current vs ISLEEP vs Temperature Temperature VREFOUT vs Temperature REFOUT
60 16.0 2.5005 VDD = 5.25V VDD = 5.25V V 15.8 VDD = 4.1V 50 DD = 4.1V VDD = 2.85V 15.6 VDD = 2.85V 2.50025 15.4 40 15.2 (V) (µA) 30 (mA) 15.0 2.5 I SLEEP I IDLE 14.8 V REFOUT 20 14.6 2.49975 14.4 10 14.2 0 0 2.4995 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –30 –10 10 30 50 70 90 110 130 LTC2983 TEMPERATURE (°C) LTC2983 TEMPERATURE (°C) TEMPERATURE (°C) 2983 G15 2983 G16 2983 G28
Channel Input Leakage Current vs Adjacent Channel Offset Error vs Adjacent Channel Offset Error vs Temperature Temperature Input Fault Voltage (VDD = 5V) Input Fault Voltage
1.4 2.5 2.5 125°C 90°C 1.2 25°C 2.0 2.0 –45°C V) V) 1.0 1.5 1.5 0.8 1.0 1.0 0.6 0.5 0.5 INPUT LEAKAGE (nA) 0.4 CH2 OFFSET ERROR (µ CH2 OFFSET ERROR (µ 0 0 0.2 0 –0.5 –0.5 –1 0 1 2 3 4 5 6 4.95 5 5.05 5.1 5.15 5.2 5.25 5.3 5.35 0 –0.05 –0.1 –0.15 –0.2 –0.25 –0.3 –0.35 INPUT VOLTAGE (V) CH1 FAULT VOLTAGE (V) CH1 FAULT VOLTAGE (V) 2983 G18 2983 G25 2983 G26 2983fc 8 For more information www.linear.com/LTC2983 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Complete System Electrical Characteristics Pin Configuration ADC Electrical Characteristics Reference Electrical Characteristics Digital Inputs and Digital Outputs Typical Performance Characteristics Pin Functions Block Diagram Test Circuits Timing Diagram Overview Applications Information Thermocouple Measurements Diode Measurements RTD Measurements Thermistor Measurements Direct ADC Measurements Supplemental Information Fault Protection and Anti-Aliasing 2- and 3-Cycle Conversion Modes Running Conversions Consecutively on Multiple Channels MUX Configuration Delay Global Configuration Register Custom Thermocouples Custom RTDs Custom Thermistors Package Description Revision History Typical Application Related Parts
