Datasheet LTC2365, LTC2366 (Analog Devices) - 6

LTC2365/LTC2366
typical perForMance characteristics TA = 25°C, VDD = OVDD = VREF (LTC2365, Note 4) Integral Nonlinearity Differential Nonlinearity Integral and Differential vs Output Code vs Output Code Nonlinearity vs Supply Voltage
1.0 1.0 1.0 VDD = 3V VDD = 3V 0.8 0.8 0.8 0.6 0.6 0.6 MAX INL 0.4 0.4 0.4 0.2 0.2 0.2 MAX DNL 0 0 0 MIN DNL INL (LSB) –0.2 DNL (LSB) –0.2 –0.2 MIN INL –0.4 –0.4 INL AND DNL (LSB) –0.4 –0.6 –0.6 –0.6 –0.8 –0.8 –0.8 –1.0 –1.0 –1.0 0 1024 2048 3072 4096 0 1024 2048 3072 4096 2.1 2.4 2.7 3.0 3.3 3.6 OUTPUT CODE OUTPUT CODE SUPPLY VOLTAGE (V) 23656 G01 23656 G02 23656 G03
Histogram for 16384 Conversions SNR vs Input Frequency SINAD vs Input Frequency
10000 73.5 73.2 VDD = 3V V V DD = 3.6V DD = 3.6V 73.0 8000 73.3 72.8 VDD = 3V 6000 73.1 VDD = 3V 72.6 COUNT 4000 SNR (dB) 72.9 SINAD (dB) V 72.4 DD = 2.35V VDD = 2.35V 2000 72.7 72.2 0 72.5 72.0 2045 2046 2047 2048 2049 2050 100 1000 100 1000 CODE INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) 23656 G04 23656 G05 23656 G06
THD vs Input Frequency THD vs Input Resistance 461kHz Sine Wave 8192 FFT Plot
–81 –78 0 RIN = 10Ω VDD = 3V VDD = 3V fSMPL = 1Msps fSMPL = 1Msps fSMPL = 1Msps –82 f –20 f –79 IN = 1MHz IN = 461kHz SINAD = 72.8dB –83 –40 THD = –86.1dB –80 –84 –60 VDD = 3V THD (dB) –85 THD (dB) –81 –80 VDD = 2.35V MAGNITUDE (dB) –86 –100 VDD = 3.6V –82 –87 –120 –88 –83 –140 100 1000 0 25 50 75 100 0 100 200 300 400 500 INPUT FREQUENCY (kHz) INPUT RESISTANCE (Ω) INPUT FREQUENCY (kHz) 23656 G07 23656 G08 23656 G09 23656fb 6 For more information www.linear.com/LTC2365 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Inputs Dynamic Accuracy Digital Inputs and Digital Outputs Power Requirement Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Package Description Revision History Related Parts