Datasheet LTC2365, LTC2366 (Analog Devices) - 7

LTC2365/LTC2366
typical perForMance characteristics TA = 25°C, VDD = OVDD = VREF (LTC2366, 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 MAX DNL 0.2 0.2 0.2 0 0 0 MIN INL INL (LSB) –0.2 DNL (LSB) –0.2 –0.2 –0.4 –0.4 INL AND DNL (LSB) –0.4 MIN DNL –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 G10 23656 G11 23656 G12
Histogram for 16384 Conversions SNR vs Input Frequency SINAD vs Input Frequency
10000 73.0 V 73.2 DD = 3V V V DD = 3.6V DD = 3.6V 72.5 8000 73.0 72.0 VDD = 2.35V 6000 72.8 VDD = 3V V 71.5 DD = 3V COUNT 4000 SNR (dB) 72.6 SINAD (dB) 71.0 VDD = 2.35V 2000 72.4 70.5 0 72.2 70.0 2045 2046 2047 2048 2049 2050 100 1000 1500 100 1000 1500 CODE INPUT FREQUENCY (kHz) INPUT FREQUENCY (kHz) 23656 G13 23656 G14 23656 G15
THD vs Input Frequency THD vs Input Resistance 1MHz Sine Wave 8192 FFT Plot
–72 –64 0 RIN = 10Ω VDD = 3V VDD = 3V fSMPL = 3Msps f fSMPL = 3Msps –74 –66 SMPL = 3Msps f –20 IN = 1.5MHz fIN = 994kHz SINAD = 72dB -76 –68 –40 THD = –80.3dB –78 –70 –60 –80 THD (dB) VDD = 3.6V THD (dB) –72 –80 –82 MAGNITUE (dB) –74 –100 –84 VDD = 3V –76 –120 –86 VDD = 2.35V –88 –78 –140 100 1000 1500 0 25 50 75 100 0 250 500 750 1000 1250 1500 INPUT FREQUENCY (kHz) INPUT RESISTANCE (Ω) INPUT FREQUENCY (kHz) 23656 G16 23656 G17 23656 G18 23656fb For more information www.linear.com/LTC2365 7 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