Datasheet LTC2323-12 (Analog Devices) - 6

LTC2323-12
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT1,2 = 4.096V, fSMPL = 5Msps, unless otherwise noted. (Note 16) Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram
1.0 1.00 70000 0.80 60000 0.60 0.5 0.40 50000 0.20 40000 0 0 –0.20 COUNTS 30000 INL ERROR (LSB) DNL ERROR (LSB) –0.40 –0.5 20000 –0.60 10000 –0.80 –1.0 –1.00 0 –4096 –2048 0 2048 4096 –4096 –2048 0 2048 4096 –2 –1 0 1 2 CODE OUTPUT CODE 232312 G01 OUTPUT CODE 232312 G02 232312 G03
16k Point FFT, fS = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (50kHz to 2.2MHz) Frequency (50kHz to 2.2MHz)
0 74.0 –85 THD –20 73.5 –90 –40 SNR 73.0 –95 –60 SINAD 72.5 –80 –100 AMPLITUDE (dBFS) 72.0 –100 SNR, SINAD (dBFS) HD2 THD, HARMONICS (dBFS) –105 –120 71.5 HD3 –140 71.0 –110 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 0 0.5 1 1.5 2 2.5 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 232312 G04 232312 G05 232312 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 32k Point FFT, IMD, fS = 5Msps, Mode (100kHz to 2.2MHz) f + – IN = 500kHz VIN = 100kHz, VIN = 2.2MHz
–75 0 73 SNR –80 –20 SINAD –85 THD –40 71 –90 –60 HD3 69 –95 –80 SNR, SINAD (dBFS) AMPLITUDE (dBFS) –100 –100 THD, HARMONICS (dBFS) HD2 67 –105 –120 –110 65 –140 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 0.5 1 1.5 2 2.5 INPUT COMMON MODE (V) VREF (V) FREQUENCY (MHz) 232312 G07 232312 G08 232312 G09 232312fb 6 For more information www.linear.com/LTC2323-12 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration 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