Datasheet LTC2324-14 (Analog Devices) - 8

LTC2324-14
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 = 4.096V, fSMPL = 2Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
4 1.0 150000 σ = 0.75 3 135000 120000 2 0.5 105000 1 90000 Right Click In Graph Area for Menu 0 0 Double Click In Graph Area for Data Setup 75000 COUNTS –1 60000 INL ERROR (LSB) DNL ERROR (LSB) 45000 –2 –0.5 30000 –3 15000 –4 –1.0 0 –16384 –8192 0 8192 16384 –16384 –8192 0 8192 16384 –8 –6.4 –4.8 –3.2 –1.6 0.0 1.6 3.2 4.8 6.4 8 OUTPUT CODE OUTPUT CODE CODE 232414 G01 232414 G02 232414 G03
32k Point FFT, fSMPL = 2Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 500kHz (1kHz to 1MHz) Frequency (1kHz to 1MHz)
0 83.0 –80 SNR = 82.3dB THD = –90.9dB 82.8 –84 –20 SINAD = 81.6dB SFDR = 96.5dB 82.6 –88 –40 82.4 –92 THD –60 82.2 SNR –96 82.0 –100 –80 HD3 81.8 –104 HD2 AMPLITUDE (dBFS) –100 81.6 SINAD –108 SNR, SINAD LEVEL (dBFS) 81.4 –112 –120 THD, HARMONICS LEVEL (dBFS) 81.2 –116 –140 81.0 –120 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 232414 G04 232414 G05 232414 G06
THD, Harmonics vs Input SNR, SINAD vs Reference Voltage, 32k Point FFT, IMD, fSMPL = 2Msps, Common Mode f + – IN = 500kHz AIN = 500kHz, AIN = 1.3MHz
–85 84 0 f = 500kHz f = 500kHz THD = 84dB 83 SNR V 82 CM = 800kHz, 4Vpp –20 –90 81 SINAD 80 –40 THD 79 –95 78 –60 77 HD3 –100 76 –80 75 HD2 74 AMPLITUDE (dBFS) –100 –105 SNR, SINAD LEVEL (dBFS) 73 THD, HARMONICS LEVEL (dBFS) 72 –120 71 –110 70 –140 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 0.2 0.4 0.6 0.8 1 INPUT COMMON MODE (V) VREFOUT(V) FREQUENCY (MHz) 232414 G07 232414 G08 232414 G09 232414f 8 For more information www.linear.com/LTC2324-14 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