Datasheet LTC2301, LTC2305 (Analog Devices) - 8

制造商Analog Devices
描述2-Channel, 12-Bit ADCs with I2C Compatible Interface
页数 / 页26 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS (LTC2305) TA = 25°C, VDD = 5V, fSMPL …
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TYPICAL PERFORMANCE CHARACTERISTICS (LTC2305) TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted

TYPICAL PERFORMANCE CHARACTERISTICS (LTC2305) TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted

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LTC2301/LTC2305
TYPICAL PERFORMANCE CHARACTERISTICS (LTC2305) 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 –10 SNR = 73.2 dB 0.75 0.75 SINAD = 73.1 dB –20 THD = –90dB –30 0.50 0.50 –40 0.25 0.25 –50 –60 0.00 0.00 –70 INL (LSB) DNL (LSB) –80 –0.25 –0.25 MAGNITUDE (dB) –90 –100 –0.50 –0.50 –110 –0.75 –0.75 –120 –130 –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) 23015 G10 23015 G11 23015 G12
Supply Current vs Sampling Frequency Offset Error vs Temperature Full-Scale Error vs Temperature
2.5 1.0 4 2.0 BIPOLAR 2 BIPOLAR 0.5 1.5 0 UNIPOLAR Y CURRENT (mA) 1.0 –2 0.0 UNIPOLAR OFFSET ERROR (LSB) SUPPL FULL-SCALE ERROR (LSB) 0.5 –4 0 –0.5 –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) 23015 G13 23015 G14 23015 G15
Analog Input Leakage Current Supply Current vs Temperature Sleep Current vs Temperature vs Temperature
2.4 10 1000 900 8 800 2.2 700 6 600 1.8 500 Y CURRENT (mA) 4 400 CH(ON) 300 SUPPL SLEEP CURRENT (μA) 1.6 LEAKAGE CURRENT (nA) 2 200 CH(OFF) 100 1.4 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) 23015 G16 23015 G17 23015 G18 23015fb 8