Datasheet LTC2324-12 (Analog Devices) - 9

制造商Analog Devices
描述Quad, 12-Bit + Sign, 2Msps/Ch Simultaneous Sampling ADC
页数 / 页30 / 9 — Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, …
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Typical perForMance characTerisTics. TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4

Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4

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LTC2324-12
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 4096 VCM = 4VP-P –107 4.096V RANGE 112 –109 3072 IN+ = 2MHz SQUARE WAVE –111 IN– = 0V 104 –113 2048 ALK (dB) –115 CMRR (dB) 96 –117 1024 CROSST –119 OUTPUT CODE (LSB) 88 –121 0 –123 80 –125 –1024 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) 232412 G10 232412 G11 232412 G12
Step Response External Reference Supply (Fine Settling) Current vs Sample Frequency REF Output vs Temperature
50 400 1.00 4.096V RANGE REFBUFEN = 0V IN+ = 2MHz SQUARE WAVE (EXT REF BUF 0.50 IN– = 0V OVERDRIVING REF BUF) VDD = 3.3V 25 300 0 ALUE (LSB) –0.50 VREFOUT1,2,3,4 = 4.096V 0 200 –1.00 Y CURRENT (µA) VDD = 5V –1.50 TION FROM FINAL V –25 SUPPL 100 –2.00 REF OUTPUT ERROR (mV) DEVIA VREFOUT1,2,3,4 = 2.048V –2.50 –50 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) 232412 G13 232412 G14 232412 G15
Supply Current OVDD Current vs SCK Frequency, Offset Error vs Temperature vs Sample Frequency CLOAD = 10pF
0.250 35 5 32 FULL SCALE SINUSOIDAL INPUT LVDS 30 4 28 OV 0.125 30 DD CMOS(2.5V) 26 CURRENT L 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 –0.125 SUPPL 20 DD OV 1 16 LOW POWER LVDS 14 –0.250 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) 232412 G16 232412 G17 232412 G18 232412fa For more information www.linear.com/LTC2324-12 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