Datasheet LTC2380-16 (Analog Devices) - 6

LTC2380-16
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 2Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
1.0 0.5 140000 σ = 0.15 0.8 0.4 120000 0.6 0.3 0.4 0.2 100000 0.2 0.1 80000 0.0 0.0 –0.2 –0.1 COUNTS 60000 INL ERROR (LSB) –0.4 DNL ERROR (LSB) –0.2 40000 –0.6 –0.3 20000 –0.8 –0.4 –1.0 –0.5 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –2 –1 0 1 2 OUTPUT CODE OUTPUT CODE CODE 238016 G01 238016 G02 238016 G03
32k Point FFT fS = 2Msps, THD, Harmonics fIN = 2kHz SNR, SINAD vs Input Frequency vs Input Frequency
0 98 –80 SNR = 96.4dB –20 THD = –119dB 96 –85 SINAD = 96.3dB SNR –40 –90 SFDR = 122dB 94 3RD –60 –95 92 –100 THD –80 90 SINAD –105 –100 88 –110 AMPLITUDE (dBFS) –120 SNR, SINAD (dBFS) 86 –115 2ND –140 84 HARMONICS, THD (dBFS) –120 –160 82 –125 –180 80 –130 0 100 200 300 400 500 600 700 800 900 1000 0 25 50 75 100 125 150 175 200 0 25 50 75 100 125 150 175 200 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 238016 G04 238016 G05 238016 G06
SNR, SINAD vs Input level, SNR, SINAD vs Reference THD, Harmonics vs Reference fIN = 2kHz Voltage, fIN = 2kHz Voltage, fIN = 2kHz
97.0 96.5 –100 96.0 –105 96.5 SNR –110 SNR 95.5 THD SINAD SINAD –115 95.0 3RD 96.0 –120 94.5 –125 2ND SNR, SINAD (dBFS) SNR, SINAD (dBFS) 94.0 95.5 HARMONICS, THD (dBFS) –130 93.5 –135 95.0 93.0 –140 –40 –30 –20 –10 0 2.5 3.0 3.5 4.0 4.5 5.0 2.5 3.0 3.5 4.0 4.5 5.0 INPUT LEVEL (dB) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 238016 G07 238016 G08 238016 G09 238016fb 6 For more information www.linear.com/LTC2380-16 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts