Datasheet LTC2323-14 (Analog Devices) - 6

LTC2323-14
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
3 1.0 35000 2 30000 0.5 25000 1 20000 0 0 COUNTS 15000 INL ERROR (LSB) –1 DNL ERROR (LSB) 10000 –0.5 –2 50000 –3 –1.0 0 –16384 –8192 0 8192 16384 –16384 –8192 0 8192 16384 –3 –2 –1 0 1 2 3 –12288 –4096 4096 12288 –12288 –4096 4096 12288 CODE TEMPERATURE (C) INPUT VOLTAGE (V) LT1372 • G03 232314 G02 232314 G03
32k Point FFT, fS = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (100kHz to 2.2MHz) Frequency (100kHz to 2.2MHz)
0 81.0 –85 SNR = 80.0dB THD = –85.5dB –20 SINAD = 79.1dB 81.5 –90 SFDR = 88.4dB –40 SNR 80.0 THD –60 –95 79.5 SINAD –80 –100 AMPLITUDE (dBFS) 79.0 HD2 –100 SNR, SINAD (dBFS) THD, HARMONICS (dBFS) –105 –120 78.5 HD3 –140 78.0 –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) 232314 G04 232314 G05 232314 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 8k Point FFT, IMD, fS = 5Msps, Mode (100kHz to 2.2MHz) f + – IN = 500kHz VIN = 100kHz, VIN = 2.2MHz
–75 0 82 –80 –20 80 –85 SNR –40 78 SINAD –90 –60 THD 76 –95 74 –80 HD2 SNR, SINAD (dBFS) AMPLITUDE (dBFS) –100 72 –100 THD, HARMONICS (dBFS) HD3 –105 70 –120 –110 68 –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) 232314 G07 232314 G08 232314 G09 232314fb 6 For more information www.linear.com/LTC2323-14 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 Revision History Typical Application Related Parts