Datasheet LTC2311-14 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | 14-Bit + Sign, 5Msps Differential Input ADC with Wide Input Common Mode Range |
| Seiten / Seite | 26 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 895 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT =
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LTC2311-14
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT = 4.096V, fSMPL = 5Msps, unless otherwise noted. Offset Error vs Temperature Gain Error vs Temperature CMRR vs Input Frequency
1.0 0.5 –80 0.4 –83 0.3 0.5 –86 0.2 0.1 –89 0 0.0 –92 –0.1 CMRR (dB) –95 OFFSET ERROR (LSB) GAIN ERROR (LSB) –0.2 –0.5 –98 –0.3 –0.4 –101 –1.0 –0.5 –104 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 0.5 1 1.5 2 2.5 TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (MHz) 231114 G10 231114 G12 231114 G11
IREFOUT vs Temperature, REFOUT Output vs Temperature VREF = 4.096V REFOUT Output Load Regulation
400 708 4.0970 2.048V 300 4.096V 706 200 4.0965 100 704 4.0960 0 –100 702 (V) 4.0955 –200 V REF 700 –300 4.0950 –400 REFERENCE CURRENT (µA) 698 4.0945 –500 REFOUT ERROR (ppm, NORMALIZED TO 25°C) –600 696 4.0940 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 0.5 1 1.5 2 TEMPERATURE (°C) TEMPERATURE (°C) REFOUT LOAD CURRENT (mA) 231114 G13 231114 G14 231114 G15
Supply Current OVDD Current vs SCK Frequency, vs Sample Frequency CLOAD = 10pF
10 1.5 9 8 1.0 8 Y CURRENT (mA) CURRENT (mA) 7 DD 0.5 SUPPL OV 6 5 0 0 1 2 3 4 5 0 10 20 30 40 50 60 70 80 90 100 110 SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 231114 G16 231114 G17 231114fa For more information www.linear.com/LTC2311-14 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT = 4.096V, fSMPL = 5Msps, unless otherwise noted. Offset Error vs Temperature Gain Error vs Temperature CMRR vs Input Frequency
1.0 0.5 –80 0.4 –83 0.3 0.5 –86 0.2 0.1 –89 0 0.0 –92 –0.1 CMRR (dB) –95 OFFSET ERROR (LSB) GAIN ERROR (LSB) –0.2 –0.5 –98 –0.3 –0.4 –101 –1.0 –0.5 –104 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 0.5 1 1.5 2 2.5 TEMPERATURE (°C) TEMPERATURE (°C) FREQUENCY (MHz) 231114 G10 231114 G12 231114 G11
IREFOUT vs Temperature, REFOUT Output vs Temperature VREF = 4.096V REFOUT Output Load Regulation
400 708 4.0970 2.048V 300 4.096V 706 200 4.0965 100 704 4.0960 0 –100 702 (V) 4.0955 –200 V REF 700 –300 4.0950 –400 REFERENCE CURRENT (µA) 698 4.0945 –500 REFOUT ERROR (ppm, NORMALIZED TO 25°C) –600 696 4.0940 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 0.5 1 1.5 2 TEMPERATURE (°C) TEMPERATURE (°C) REFOUT LOAD CURRENT (mA) 231114 G13 231114 G14 231114 G15
Supply Current OVDD Current vs SCK Frequency, vs Sample Frequency CLOAD = 10pF
10 1.5 9 8 1.0 8 Y CURRENT (mA) CURRENT (mA) 7 DD 0.5 SUPPL OV 6 5 0 0 1 2 3 4 5 0 10 20 30 40 50 60 70 80 90 100 110 SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 231114 G16 231114 G17 231114fa For more information www.linear.com/LTC2311-14 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Functional Block Diagram Timing Diagram Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Revision History Typical Application Related Parts