Datasheet LTC2311-12 (Analog Devices) - 7

LTC2311-12
Typical perForMance characTerisTics TA = 25°C, VDD = 5V, OVDD = 2.5V, REFOUT = 4.096V, fSMPL = 5Msps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity vs Output Code vs Output Code DC Histogram for 64k Samples
1.0 1.0 50000 σ = 0.3 45000 40000 0.5 0.5 35000 30000 0 0 25000 COUNTS 20000 INL ERROR (LSB) DNL ERROR (LSB) 15000 –0.5 –0.5 10000 5000 –1.0 –1.0 0 –4096 –2048 0 2048 4096 –4096 –2048 0 2048 4096 –2 –1 0 1 2 OUTPUT CODE OUTPUT CODE CODE 231112 G01 231112 G02 231112 G03
16k Point FFT, fSMPL = 5Msps, SNR, SINAD vs Input Frequency THD, SFDR Input Frequency fIN = 2.2MHz (100kHz to 2.2MHz) (100kHz to 2.2MHz)
0 74.0 –80 SNR = 73.3dB THD = –85dB –20 SINAD = 73.1dB SFDR = 91dB 73.8 –85 –40 THD –60 73.6 SNR SFDR –90 –80 73.4 SINAD AMPLITUDE (dBFS) THD, SFDR (dBFS) –100 SNR, SINAD LEVEL (dBFS) –95 73.2 –120 –140 73.0 –100 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) 231112 G04 231112 G05 231112 G06
THD, SFDR vs Input Common Mode SNR, SINAD vs Reference Voltage, 8k Point FFT, IMD, fSMPL = 5Msps, (100kHz to 2.2MHz) f + – IN = 500kHz AIN = 100kHz, AIN = 2.2MHz
–80 74 0 SNR THD 73 –20 SINAD –85 72 –40 SFDR 71 –60 –90 70 –80 THD, SFDR (dBFS) SNR,SINAD (dBFS) 69 AMPLITUDE (dBFS) –100 –95 68 –120 –100 67 –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) 231112 G07 231112 G08 231112 G09 231112f For more information www.linear.com/LTC2311-12 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Functional Block Diagram Timing Diagram Applications Information Package Description Typical Application Related Parts