Datasheet LTC1403-1, LTC1403A-1 (Analog Devices) - 7

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) 1.4MHz Input Summed with 1.3MHz Sine Wave 4096 Point 10.7MHz Sine Wave 4096 Point 1.56MHz Input IMD 4096 Point FFT FFT Plot for Differential Input FFT Plot for Differential Input Plot for Differential Input Signals Signals Signals
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 MAGNITUDE (dB) –80 MAGNITUDE (dB) –80 MAGNITUDE (dB) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 200k 400k 600k 800k 1M 1.2M 1.4M 0 350 700k 1.05M 1.4M 0 350 700k 1.05M 1.4M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 14031 G07 14031 G21 14031 G22
Differential Linearity Integral Linearity Integral Linearity vs Output Code vs Output Code vs Output Code for Differential Input Signals
1.0 4 4 0.8 3 3 0.6 2 2 0.4 0.2 1 1 0 0 0 –0.2 –1 –1 –0.4 –2 INTEGRAL LINEARITY (LSB) –2 INTEGRAL LINEARITY (LSB) DIFFERENTIAL LINEARITY (LSB) –0.6 –0.8 –3 –3 –1.0 –4 –4 0 4096 8192 12288 16384 0 4096 8192 12288 16384 0 4096 8192 12288 16384 OUTPUT CODE OUTPUT CODE OUTPUT CODE 14031 G08 14071 G09 14071 G23
Differential and Integral Linearity vs Conversion Rate SINAD vs Conversion Rate
8 78 18 CLOCKS PER CONVERSION 7 77 6 76 5 75 4 MAX INL 3 74 2 73 MAX DNL 1 S/(N+D) (dB) 72 LINEARITY (LSB) 0 MIN DNL 71 –1 70 EXTERNAL VREF = 3.3V fIN ~ fS/3 –2 EXTERNAL V MIN INL REF = 3.3V fIN ~ fS/40 –3 69 INTERNAL VREF = 2.5V fIN ~ fS/3 INTERNAL VREF = 2.5V fIN ~ fS/40 –4 68 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 CONVERSION RATE (Msps) CONVERSION RATE (Msps) 14031 G10 14031 G11 14031fd For more information www.linear.com/LTC1403-1 7 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