Datasheet LTC2311-16 (Analog Devices) - 8

LTC2311-16
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
4 1 20000 σ = 1.7 3 18000 16000 2 0.5 14000 1 12000 0 0 10000 COUNTS –1 8000 INL ERROR (LSB) DNL ERROR (LSB) 6000 –2 –0.5 4000 –3 2000 –4 –1 0 –32768 –16384 0 16384 32768 –32768 –16384 0 16384 32768 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 OUTPUT CODE OUTPUT CODE OUTPUT CODE 231116 G01 231116 G02 231116 G03
32k Point FFT, fSMPL = 5Msps, SNR, SINAD vs Input Frequency THD, Harmonics vs Input fIN = 2.2MHz (100kHz to 2.2MHz) Frequency (100kHz to 2.2MHz)
0 83.0 –85 SNR = 81.6dB THD = –90dB –20 SINAD = 81.1dB 82.5 –90 SFDR = 96dB –40 82.0 THD –95 –60 SNR 81.5 –80 SINAD –100 AMPLITUDE (dBFS) 81.0 –100 SNR, SINAD (dBFS) THD, HARMONICS (dBFS) HD2 –105 –120 80.5 HD3 –140 80.0 –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) 231116 G04 231116 G05 231116 G06
THD, Harmonics vs Input Common SNR, SINAD vs Reference Voltage, 8k Point FFT, IMD, fSMPL = 5Msps, Mode (100kHz to 2.2MHz) f + – IN = 500kHz AIN = 100kHz, AIN = 2.2MHz
–80 84 0 82 –20 –85 THD 80 SNR SINAD –40 –90 HD3 78 –60 –95 76 –80 74 –100 SNR, SINAD (dBFS) AMPLITUDE (dBFS) –100 HD2 THD, HARMONICS (dBFS) 72 –105 –120 70 –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) 231116 G09 231116 G07 231116 G08 231116fa 8 For more information www.linear.com/LTC2311-16 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 Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Converter Characteristics Electrical 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 OVERVIEW CONVERTER OPERATION TRANSFER FUNCTION INPUT DRIVE CIRCUITS ADC REFERENCE DYNAMIC PERFORMANCE POWER CONSIDERATIONS TIMING AND CONTROL DIGITAL INTERFACE BOARD LAYOUT Package Description Revision History Typical Application Related Parts