Datasheet LTC1418 (Analog Devices) - 6

LTC1418
TYPICAL PERFORMANCE CHARACTERISTICS Differential Nonlinearity S/(N + D) vs Input Frequency Typical INL Curve vs Output Code and Amplitude
1.0 1.0 90 80 VIN = 0dB 0.5 0.5 70 VIN = –20dB 60 50 0 0 40 INL (LSBs) DNL ERROR (LSBs) 30 VIN = –60dB –0.5 –0.5 20 SIGNAL/(NOISE + DISTORTION) (dB) 10 –1.0 –1.0 0 0 4096 8192 12288 16384 0 4096 8192 12288 16384 1k 10k 100k 1M OUTPUT CODE OUTPUT CODE INPUT FREQUENCY (Hz) 1418 G03 1418 G01 1418 G02
Signal-to-Noise Ratio Spurious-Free Dynamic Range vs Input Frequency Distortion vs Input Frequency vs Input Frequency
90 0 0 80 –20 –20 70 60 –40 –40 50 –60 –60 40 3RD 30 –80 –80 THD 20 SIGNAL-TO -NOISE RATIO (dB) 2ND –100 –100 10 SPURIOUS-FREE DYNAMIC RANGE (dB) 0 AMPLITUDE (dB BELOW THE FUNDAMENTAL) –120 –120 1k 10k 100k 1M 1k 10k 100k 1M 10k 100k 1M INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) INPUT FREQUENCY (Hz) 1418 G04 1418 G05 1418 G06
Nonaveraged, 4096 Point FFT, Nonaveraged, 4096 Point FFT, Input Frequency = 10kHz Input Frequency = 100kHz Intermodulation Distortion Plot
0 0 0 fSAMPLE = 200kHz fSAMPLE = 200kHz fSAMPLE = 200kHz f f f –20 IN = 9.9609375kHz IN = 97.509765kHz IN1 = 97.65625kHz SFDR = 99.32 –20 SFDR = 94.29 –20 fIN2 = 104.248046kHz SINAD = 82.4 SINAD = 81.4 –40 –40 –40 –60 –60 –60 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 –100 –100 –100 –120 –120 –120 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 FREQUENCY (kHz) FREQUENCY (kHz) FREQUENCY (kHz) 1418 G07 1418 G08 1418 G09 1418fa 6 For more information www.linear.com/LTC1418 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Package/Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Test Circuit Block Diagram Applications Information Package Description Package Description Revision History Typical Application Related Parts