Datasheet LTC1403-1, LTC1403A-1 (Analog Devices) - 6

LTC1403-1/LTC1403A-1
TYPICAL PERFORMANCE CHARACTERISTICS T + A = 25°C, VDD = 3V. Single ended AIN signal drive with A – IN = 1.5V DC, differential signals drive both inputs with VCM = 1.5V DC (LTC1403A-1) ENOBs and SINAD THD, 2nd and 3rd vs Input vs Input Frequency Frequency SFDR vs Input Frequency
12.0 74 –44 104 11.5 71 –50 98 –56 92 11.0 68 –62 86 SINAD (dB) 10.5 65 –68 80 THD 10.0 62 –74 74 3rd SFDR (dB) ENOBs (BITS) 9.5 59 –80 68 2nd THD, 2nd, 3rd (dB) –86 62 9.0 56 –92 56 8.5 53 –98 50 8.0 50 –104 44 0.1 1 10 100 0.1 1 10 100 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 14031 G01 14031 G02 14031 G03
ENOBs and SINAD vs Input THD, 2nd and 3rd vs Input Frequency for Differential Input Frequency for Differential Input SNR vs Input Frequency Signals Signals
74 12.0 74 –44 71 11.5 71 –50 –56 68 11.0 68 –62 65 SINAD (dB) 10.5 65 –68 62 10.0 62 –74 THD 3rd SNR (dB) –80 59 ENOBs (BITS) 9.5 59 THD, 2nd, 3rd (dB) –86 56 9.0 56 2nd –92 53 8.5 53 –98 50 8.0 50 –104 0.1 1 10 100 0.1 1 10 100 0.1 1 10 100 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 14031 G04 14031 G18 14031 G19
SFDR vs Input Frequency for 98kHz Sine Wave 4096 Point 1.3MHz Sine Wave 4096 Point Differential Input Signals FFT Plot FFT Plot
104 0 0 –10 98 –10 –20 –20 92 –30 –30 86 –40 –40 80 –50 –50 74 –60 –60 SFDR (dB) –70 68 –70 MAGNITUDE (dB) –80 MAGNITUDE (dB) –80 62 –90 –90 56 –100 –100 50 –110 –110 44 –120 –120 0.1 1 10 100 0 350 700k 1.05M 1.4M 0 350k 700k 1.05M 1.4M FREQUENCY (MHz) FREQUENCY (Hz) FREQUENCY (Hz) 14031 G20 14031 G05 14031 G06 14031fd 6 For more information www.linear.com/LTC1403-1 Document Outline Features Applications Description Block Diagram Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Applications Information Revision History Related Parts