Datasheet LTC2320-14 (Analog Devices) - 9

LTC2320-14
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
2.0 1.0 30 σ = 0.72 1.5 27 24 1.0 0.5 21 TS 0.5 AR 18 0 0 15 –0.5 12 INL ERROR (LSB) DNL ERROR (LSB) NUMBER OF P 9 –1.0 –0.5 6 –1.5 3 –2.0 –1.0 0 –16384 –8192 0 8192 16384 –16384 –8192 0 8192 16384 –3 –2 –1 0 1 2 3 OUTPUT CODE OUTPUT CODE CODE 232014 G01 232014 G02 232014 G03
32k Point FFT, fSMPL = 1.5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 500kHz (1kHz to 750kHz) Frequency (1kHz to 750kHz) SMPL IN (1kHz to 750kHz)
0 82.0 –80 SNR = 81.1dB THD = –90.2dB 81.8 –84 –20 SINAD = 80.8dB SFDR = 94.7dB 81.6 –88 –40 THD 81.4 –92 SNR 81.2 –60 –96 81.0 –100 –80 SINAD HD3 80.8 –104 AMPLITUDE (dBFS) HD2 –100 80.6 –108 SNR, SINAD LEVEL (dBFS) 80.4 –112 –120 THD, HARMONICS LEVEL (dBFS) 80.2 –116 –140 80.0 –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) 232014 G04 232014 G05 232014 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 32k Point FFT, IMD, fSMPL = 1.5Msps, Mode f + – IN = 500kHz AIN = 490kHz, A IN IN = 510kHz IN
–80 83 0 fIN = 500kHz fIN = 500kHz THD = 86dB 82 –84 SNR V 81 CM = 20kHz, 4VP-P –20 –88 80 THD SINAD –92 79 –40 78 –96 77 –60 –100 76 HD2 75 –80 –104 74 HD3 –108 73 AMPLITUDE (dBFS) –100 SNR, SINAD LEVEL (dBFS) –112 72 THD, HARMONICS LEVEL (dBFS) 71 –120 –116 70 –120 69 –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 0.1 0.2 0.3 0.4 0.5 0.6 0.7 INPUT COMMON MODE (V) VREF(V) FREQUENCY (MHz) 232014 G07 232014 G08 232014 G09 232014fa For more information www.linear.com/LTC2320-14 9 Document Outline 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 Package Description Revision History Typical Application Related Parts