Datasheet LTC2369-18 (Analog Devices) - 7
| Fabricante | Analog Devices |
| Descripción | 18-Bit, 1.6Msps, Pseudo- Differential Unipolar SAR ADC with 96.5dB SNR |
| Páginas / Página | 24 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, … |
| Formato / tamaño de archivo | PDF / 914 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V,. fSMPL = 1.6Msps, unless otherwise noted
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Versión de texto del documento
LTC2369-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V, fSMPL = 1.6Msps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
98.0 –110 1.0 97.5 –115 MAX INL 97.0 0.5 –120 SNR 96.5 MAX DNL THD SINAD –125 96.0 0 MIN DNL –130 2ND 95.5 3RD SNR, SINAD (dBFS) –135 INL/DNL ERROR (LSB) 95.0 HARMONICS, THD (dBFS) –0.5 MIN INL 94.5 –140 94.0 –145 –1.0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 236918 G10 236918 G11 236918 G12
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
20 10 8 I 8 VDD 15 7 6 10 6 4 5 2 5 0 0 4 –2 –5 3 OFFSET ERROR (LSB) –4 FULL-SCALE ERROR (LSB) –10 2 –6 POWER SUPPLY CURRENT (mA) IREF –15 –8 1 IOVDD –20 –10 0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 236918 G13 236918 G14 236918 G15
Reference Current Shutdown Current vs Temperature CMRR vs Input Frequency vs Reference Voltage
45 100 0.9 IVDD + IOVDD + IREF 40 0.8 95 35 0.7 30 90 0.6 25 0.5 85 20 0.4 CMRR (dB) 15 80 0.3 10 0.2 POWER-DOWN CURRENT (μA) REFERENCE CURRENT (mA) 75 5 0.1 0 70 0 –55 –35 –15 5 25 45 65 85 105 125 0 100 200 300 400 500 600 700 800 2.5 3 3.5 4 4.5 5 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 236918 G16 236918 G17 236918 G18 236918fa 7
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, REF = 5V, fSMPL = 1.6Msps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
98.0 –110 1.0 97.5 –115 MAX INL 97.0 0.5 –120 SNR 96.5 MAX DNL THD SINAD –125 96.0 0 MIN DNL –130 2ND 95.5 3RD SNR, SINAD (dBFS) –135 INL/DNL ERROR (LSB) 95.0 HARMONICS, THD (dBFS) –0.5 MIN INL 94.5 –140 94.0 –145 –1.0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 236918 G10 236918 G11 236918 G12
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
20 10 8 I 8 VDD 15 7 6 10 6 4 5 2 5 0 0 4 –2 –5 3 OFFSET ERROR (LSB) –4 FULL-SCALE ERROR (LSB) –10 2 –6 POWER SUPPLY CURRENT (mA) IREF –15 –8 1 IOVDD –20 –10 0 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 236918 G13 236918 G14 236918 G15
Reference Current Shutdown Current vs Temperature CMRR vs Input Frequency vs Reference Voltage
45 100 0.9 IVDD + IOVDD + IREF 40 0.8 95 35 0.7 30 90 0.6 25 0.5 85 20 0.4 CMRR (dB) 15 80 0.3 10 0.2 POWER-DOWN CURRENT (μA) REFERENCE CURRENT (mA) 75 5 0.1 0 70 0 –55 –35 –15 5 25 45 65 85 105 125 0 100 200 300 400 500 600 700 800 2.5 3 3.5 4 4.5 5 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 236918 G16 236918 G17 236918 G18 236918fa 7