Datasheet LTC2324-14 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Quad, 14-Bit + Sign, 2Msps/Ch Simultaneous Sampling ADC |
| 页数 / 页 | 30 / 9 — Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4
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文件文字版本
LTC2324-14
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 = 4.096V, fSMPL = 2Msps, unless otherwise noted. Step Response CMRR vs Input Frequency Crosstalk vs Input Frequency (Large Signal Settling)
120 –105 16384 VCM = 4Vpp –107 112 –109 12288 –111 104 –113 8192 ALK (dB) –115 4.096V RANGE CMRR (dB) 96 –117 4096 CROSST –119 OUTPUT CODE (LSB) 88 –121 0 –123 IN+ = 2MHz SQUARE WAVE IN– = 0V 80 –125 –4096 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 –20 –10 0 10 20 30 40 50 60 70 80 90 FREQUENCY (MHz) FREQUENCY (MHz) SETTLING TIME (ns) 232414 G10 232414 G11 232414 G12
Step Response External Reference Supply (Fine Settling) Current vs Sample Frequency REF Output vs Temperature
125 400 1.00 REFBUFEN = 0V 100 (EXT REF BUF 0.50 75 OVERDRIVING REF BUF) VDD = 3.3V 300 0 50 ALUE (LSB) 25 –0.50 VREFOUT1,2,3,4 = 4.096V 0 200 –1.00 –25 Y CURRENT (uA) VDD = 5V –1.50 –50 TION FROM FINAL V SUPPL 4.096V RANGE 100 –2.00 REF OUTPUT ERROR (mV) –75 V IN+ = 2.0MHz SQUARE WAVE REFOUT1,2,3,4 = 2.048V DEVIA –100 –2.50 IN– = 0V –125 0 –3.00 –20 –10 0 10 20 30 40 50 60 70 80 90 0 0.5 1 1.5 2 –55 –35 –15 5 25 45 65 85 105 125 SETTLING TIME (ns) SAMPLE FREQUENCY (Msps) TEMPERATURE (°C) 232414 G13 232414 G14 232414 G15
Supply Current OVDD Current vs SCK Frequency, Offset Error vs Temperature vs Sample Frequency CLOAD = 10pF
1.0 35 5 32 Full Scale Sinusoidal Input LVDS 30 4 28 OV 0.5 30 DD 26 CURRENT L CMOS(2.5V) VDD = 5V 3 24 0 LSB 25 22 VDS (mA) Y CURRENT (mA) 2 20 VDD = 3.3V CURRENT CMOS (mA) CMOS(1.8V) 18 –0.5 SUPPL 20 DD OV 1 16 LOW POWER LVDS 14 –1.0 15 0 12 –55 –35 –15 5 25 45 65 85 105 125 0 0.4 0.8 1.2 1.6 2 0 22 44 66 88 110 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232414 G16 232414 G17 232414 G18 232414f For more information www.linear.com/LTC2324-14 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 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 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 ADC Timing Characteristics ADC Timing Characteristics Typical Performance Characteristics Pin Functions Pins that are the same for all digital I/O Modes CMOS data output option (CMOS/LVDS = low) LVDS data output option (CMOS/LVDS = high or FLOAT) 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 Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 = 4.096V, fSMPL = 2Msps, unless otherwise noted. Step Response CMRR vs Input Frequency Crosstalk vs Input Frequency (Large Signal Settling)
120 –105 16384 VCM = 4Vpp –107 112 –109 12288 –111 104 –113 8192 ALK (dB) –115 4.096V RANGE CMRR (dB) 96 –117 4096 CROSST –119 OUTPUT CODE (LSB) 88 –121 0 –123 IN+ = 2MHz SQUARE WAVE IN– = 0V 80 –125 –4096 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 –20 –10 0 10 20 30 40 50 60 70 80 90 FREQUENCY (MHz) FREQUENCY (MHz) SETTLING TIME (ns) 232414 G10 232414 G11 232414 G12
Step Response External Reference Supply (Fine Settling) Current vs Sample Frequency REF Output vs Temperature
125 400 1.00 REFBUFEN = 0V 100 (EXT REF BUF 0.50 75 OVERDRIVING REF BUF) VDD = 3.3V 300 0 50 ALUE (LSB) 25 –0.50 VREFOUT1,2,3,4 = 4.096V 0 200 –1.00 –25 Y CURRENT (uA) VDD = 5V –1.50 –50 TION FROM FINAL V SUPPL 4.096V RANGE 100 –2.00 REF OUTPUT ERROR (mV) –75 V IN+ = 2.0MHz SQUARE WAVE REFOUT1,2,3,4 = 2.048V DEVIA –100 –2.50 IN– = 0V –125 0 –3.00 –20 –10 0 10 20 30 40 50 60 70 80 90 0 0.5 1 1.5 2 –55 –35 –15 5 25 45 65 85 105 125 SETTLING TIME (ns) SAMPLE FREQUENCY (Msps) TEMPERATURE (°C) 232414 G13 232414 G14 232414 G15
Supply Current OVDD Current vs SCK Frequency, Offset Error vs Temperature vs Sample Frequency CLOAD = 10pF
1.0 35 5 32 Full Scale Sinusoidal Input LVDS 30 4 28 OV 0.5 30 DD 26 CURRENT L CMOS(2.5V) VDD = 5V 3 24 0 LSB 25 22 VDS (mA) Y CURRENT (mA) 2 20 VDD = 3.3V CURRENT CMOS (mA) CMOS(1.8V) 18 –0.5 SUPPL 20 DD OV 1 16 LOW POWER LVDS 14 –1.0 15 0 12 –55 –35 –15 5 25 45 65 85 105 125 0 0.4 0.8 1.2 1.6 2 0 22 44 66 88 110 TEMPERATURE (°C) SAMPLE FREQUENCY (Msps) SCK FREQUENCY (MHz) 232414 G16 232414 G17 232414 G18 232414f For more information www.linear.com/LTC2324-14 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information 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 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 ADC Timing Characteristics ADC Timing Characteristics Typical Performance Characteristics Pin Functions Pins that are the same for all digital I/O Modes CMOS data output option (CMOS/LVDS = low) LVDS data output option (CMOS/LVDS = high or FLOAT) 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 Typical Application Related Parts