Datasheet LTC2472 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Selectable 208sps/833sps, 16-Bit ΔΣ ADCs with 10ppm/°C Max Precision Reference |
| 页数 / 页 | 22 / 5 — Typical perForMance characTerisTics (TA = 25°C, unless otherwise noted). … |
| 文件格式/大小 | PDF / 387 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics (TA = 25°C, unless otherwise noted). Integral Nonlinearity. Maximum INL vs Temperature
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LTC2470/LTC2472
Typical perForMance characTerisTics (TA = 25°C, unless otherwise noted) Integral Nonlinearity Integral Nonlinearity Maximum INL vs Temperature
3 3 6 VCC = 2.7V OUTPUT RATE = 208sps TA = –45°C, 25°C, 90°C 2 OUTPUT RATE = 208sps 2 4 VCC = 5.5V 1 1 2 VCC = 4.1V 0 0 0 INL (LSB) INL (LSB) INL (LSB) –1 –1 –2 VCC = 2.7V –2 –2 VCC = 5.5V –4 TA = –45°C, 25°C, 90°C OUTPUT RATE = 208sps –3 –3 –6 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 –50 –30 –10 10 30 50 70 90 DIFFERENTIAL INPUT VOLTAGE (V) DIFFERENTIAL INPUT VOLTAGE (V) TEMPERATURE (°C) 24702 G01 24702 G02 24702 G03
Offset Error vs Temperature ADC Gain Error vs Temperature Transition Noise vs Temperature
35 50 10 9 30 40 VCC = 5.5V V) 8 25 VCC = 5.5V 30 7 20 6 VCC = 5.5V 20 5 V 15 CC = 4.1V 4 10 VCC = 4.1V OFFSET ERROR (LSB) 10 ADC GAIN ERROR (LSB) 3 V V CC = 2.7V CC = 2.7V TRANSITION NOISE RMS (µ 2 5 0 VCC = 2.7V 1 0 –10 0 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 24702 G04 24702 G05 24702 G06
Conversion Mode Power Supply Sleep Mode Power Supply Current vs Temperature Current vs Temperature VREF vs Temperature
4.0 350 1.2508 3.9 VCC = 5.5V 300 1.2507 3.8 VCC = 5.5V 3.7 250 TAGE (V) VCC = 4.1V 1.2506 3.6 200 3.5 1.2505 3.4 150 VCC = 4.1V VCC = 2.7V 1.2504 3.3 SLEEP CURRENT (nA) 100 CONVERSION CURRENT (mA) 3.2 50 1.2503 V REFERENCE OUTPUT VOL 3.1 CC = 2.7V 3.0 0 1.2502 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 24702 G07 24702 G08 24702 G09 24702fb For more information www.linear.com/LTC2470 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Analog Inputs Power Requirements Digital Inputs and Digital Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics (TA = 25°C, unless otherwise noted) Integral Nonlinearity Integral Nonlinearity Maximum INL vs Temperature
3 3 6 VCC = 2.7V OUTPUT RATE = 208sps TA = –45°C, 25°C, 90°C 2 OUTPUT RATE = 208sps 2 4 VCC = 5.5V 1 1 2 VCC = 4.1V 0 0 0 INL (LSB) INL (LSB) INL (LSB) –1 –1 –2 VCC = 2.7V –2 –2 VCC = 5.5V –4 TA = –45°C, 25°C, 90°C OUTPUT RATE = 208sps –3 –3 –6 –1.25 –0.75 –0.25 0.25 0.75 1.25 –1.25 –0.75 –0.25 0.25 0.75 1.25 –50 –30 –10 10 30 50 70 90 DIFFERENTIAL INPUT VOLTAGE (V) DIFFERENTIAL INPUT VOLTAGE (V) TEMPERATURE (°C) 24702 G01 24702 G02 24702 G03
Offset Error vs Temperature ADC Gain Error vs Temperature Transition Noise vs Temperature
35 50 10 9 30 40 VCC = 5.5V V) 8 25 VCC = 5.5V 30 7 20 6 VCC = 5.5V 20 5 V 15 CC = 4.1V 4 10 VCC = 4.1V OFFSET ERROR (LSB) 10 ADC GAIN ERROR (LSB) 3 V V CC = 2.7V CC = 2.7V TRANSITION NOISE RMS (µ 2 5 0 VCC = 2.7V 1 0 –10 0 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 24702 G04 24702 G05 24702 G06
Conversion Mode Power Supply Sleep Mode Power Supply Current vs Temperature Current vs Temperature VREF vs Temperature
4.0 350 1.2508 3.9 VCC = 5.5V 300 1.2507 3.8 VCC = 5.5V 3.7 250 TAGE (V) VCC = 4.1V 1.2506 3.6 200 3.5 1.2505 3.4 150 VCC = 4.1V VCC = 2.7V 1.2504 3.3 SLEEP CURRENT (nA) 100 CONVERSION CURRENT (mA) 3.2 50 1.2503 V REFERENCE OUTPUT VOL 3.1 CC = 2.7V 3.0 0 1.2502 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 24702 G07 24702 G08 24702 G09 24702fb For more information www.linear.com/LTC2470 5 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Analog Inputs Power Requirements Digital Inputs and Digital Outputs Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Revision History Typical Application Related Parts