Datasheet LTC2309 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 8-Channel, 12-Bit SAR ADC with I2C Interface |
| Páginas / Página | 26 / 6 — TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted. Integral … |
| Formato / tamaño de archivo | PDF / 1.7 Mb |
| Idioma del documento | Inglés |
TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted. Integral Nonlinearity. Differential Nonlinearity. 1kHz Sine Wave
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Versión de texto del documento
LTC2309 tYpICAL peRFORMAnCe CHARACteRIstICs
TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity 1kHz Sine Wave vs Output Code vs Output Code 8192 Point FFT Plot
1.00 1.00 0 SNR = 73.4dB 0.75 0.75 –20 SINAD = 73.3dB THD = –88dB 0.50 0.50 –40 0.25 0.25 –60 0 0 INL (LSB) DNL (LSB) –80 –0.25 –0.25 MAGNITUDE (dB) –100 –0.50 –0.50 –0.75 –0.75 –120 –1.00 –1.00 –140 0 1024 2048 3072 4096 0 1024 2048 3072 4096 0 1 2 3 4 5 6 7 OUTPUT CODE OUTPUT CODE FREQUENCY (kHz) 2309 G01 2309 G02 2309 G03
Supply Current vs Sampling Frequency Offset Error vs Temperature Full-Scale Error vs Temperature
2.5 2.0 4 1.5 2.0 2 1.0 UNIPOLAR 1.5 0.5 0 0 UNIPOLAR BIPOLAR 1.0 –0.5 –2 SUPPLY CURRENT (mA) OFFSET ERROR (LSB) –1.0 BIPOLAR FULL-SCALE ERROR (LSB) 0.5 –4 –0.5 0 –2.0 –6 0.1 1 10 100 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 SAMPLING FREQUENCY (ksps) TEMPERATURE (°C) TEMPERATURE (°C) 3209 G04 2309 G05 2309 G06
Analog Input Leakage Current Supply Current vs Temperature Sleep Current vs Temperature vs Temperature
3.0 10 1000 2.8 900 2.6 8 800 2.4 700 2.2 6 600 2.0 500 1.8 4 400 1.6 SLEEP CURRENT (µA) 300 CH (ON) SUPPLY CURRENT (mA) LEAKAGE CURRENT (nA) 1.4 2 200 CH (OFF) 1.2 100 1.0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 2309 G07 2309 G08 2309 G09 2309fd Document Outline Features Description Applications Absolute Maximum Ratings Pin Configuration Order Information CONVERTER AND MULTIPLEXER CHARACTERISTICS ANALOG INPUT DYNAMIC ACCURACY INTERNAL REFERENCE CHARACTERISTICS I2C Inputs and Digital Outputs POWER REQUIREMENTS I2C TIMING CHARACTERISTICS ADC TIMING CHARACTERISTICS Typical Performance Characteristics Pin Functions Functional Block Diagram TIMING DIAGRAM Applications Information Package Description Revision History Typical Application Related Parts
TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted. Integral Nonlinearity Differential Nonlinearity 1kHz Sine Wave vs Output Code vs Output Code 8192 Point FFT Plot
1.00 1.00 0 SNR = 73.4dB 0.75 0.75 –20 SINAD = 73.3dB THD = –88dB 0.50 0.50 –40 0.25 0.25 –60 0 0 INL (LSB) DNL (LSB) –80 –0.25 –0.25 MAGNITUDE (dB) –100 –0.50 –0.50 –0.75 –0.75 –120 –1.00 –1.00 –140 0 1024 2048 3072 4096 0 1024 2048 3072 4096 0 1 2 3 4 5 6 7 OUTPUT CODE OUTPUT CODE FREQUENCY (kHz) 2309 G01 2309 G02 2309 G03
Supply Current vs Sampling Frequency Offset Error vs Temperature Full-Scale Error vs Temperature
2.5 2.0 4 1.5 2.0 2 1.0 UNIPOLAR 1.5 0.5 0 0 UNIPOLAR BIPOLAR 1.0 –0.5 –2 SUPPLY CURRENT (mA) OFFSET ERROR (LSB) –1.0 BIPOLAR FULL-SCALE ERROR (LSB) 0.5 –4 –0.5 0 –2.0 –6 0.1 1 10 100 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 SAMPLING FREQUENCY (ksps) TEMPERATURE (°C) TEMPERATURE (°C) 3209 G04 2309 G05 2309 G06
Analog Input Leakage Current Supply Current vs Temperature Sleep Current vs Temperature vs Temperature
3.0 10 1000 2.8 900 2.6 8 800 2.4 700 2.2 6 600 2.0 500 1.8 4 400 1.6 SLEEP CURRENT (µA) 300 CH (ON) SUPPLY CURRENT (mA) LEAKAGE CURRENT (nA) 1.4 2 200 CH (OFF) 1.2 100 1.0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 2309 G07 2309 G08 2309 G09 2309fd Document Outline Features Description Applications Absolute Maximum Ratings Pin Configuration Order Information CONVERTER AND MULTIPLEXER CHARACTERISTICS ANALOG INPUT DYNAMIC ACCURACY INTERNAL REFERENCE CHARACTERISTICS I2C Inputs and Digital Outputs POWER REQUIREMENTS I2C TIMING CHARACTERISTICS ADC TIMING CHARACTERISTICS Typical Performance Characteristics Pin Functions Functional Block Diagram TIMING DIAGRAM Applications Information Package Description Revision History Typical Application Related Parts