Datasheet LTC2320-16 (Analog Devices) - 8

LTC2320-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2,3,4 = 4.096V, fSMPL = 1.5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram DC HISTOGRAM
8 1.0 40000 σ = 1.5 36000 6 32000 4 0.5 28000 2 24000 0 0 20000 COUNTS 16000 –2 INL ERROR (LSB) DNL ERROR (LSB) 12000 –4 –0.5 8000 –6 4000 –8 –1.0 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –10 –8 –6 –4 –2 0 2 4 6 8 10 OUTPUT CODE OUTPUT CODE CODE 232016 G01 232016 G02 232016 G03
32k Point FFT, fSMPL = 1.5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 500kHz SMPL IN (1kHz to 750kHz) Frequency (1kHz to 750kHz)
0 SNR = 82.2dB 83.0 –80 THD = –91.2dB 82.8 –84 –20 SINAD = 81.8dB SFDR = 94.7dB 82.6 SNR –88 –40 82.4 THD –92 –60 82.2 SINAD –96 82.0 –100 –80 HD3 81.8 –104 AMPLITUDE (dBFS) HD2 –100 81.6 –108 SNR, SINAD LEVEL (dBFS) 81.4 –112 –120 THD, HARMONICS LEVEL (dBFS) 81.2 –116 –140 81.0 –120 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 232016 G04 232016 G05 232016 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 32k Point FFT, IMD, fSMPL = 1.5Msps, Mode f + – fIN = 500kHz A IN = 500kHz IN = 490kHz, A IN IN = 510kHz IN
–80 84 0 fIN = 500kHz f THD = 88dB IN = 500kHz –84 83 VCM = 20kHz, 4VP-P SNR 82 –20 –88 81 SINAD THD –92 80 –40 79 –96 78 –60 –100 77 HD2 76 –80 –104 75 HD3 AMPLITUDE (dBFS) –108 74 –100 SNR, SINAD LEVEL (dBFS) 73 –112 THD, HARMONICS LEVEL (dBFS) 72 –120 –116 71 70 –140 –120 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 V FREQUENCY (MHz) INPUT COMMON MODE (V) REFOUT (V) 232016 G08 232016 G09 232016 G07 232016fb 8 For more information www.linear.com/LTC2320-16 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 .32673 Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Converter Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics ADC Timing Characteristics ADC Timing Characteristics Typical Performance Characteristics Pin Functions 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