Datasheet LTC2314-14 (Analog Devices) - 7
| Fabricante | Analog Devices |
| Descripción | 14-Bit, 4.5Msps Serial Sampling ADC in TSOT |
| Páginas / Página | 22 / 7 — TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Formato / tamaño de archivo | PDF / 679 Kb |
| Idioma del documento | Inglés |
TYPICAL. PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, fSMPL = 4.5Msps,. unless otherwise noted
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Versión de texto del documento
LTC2314-14
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, fSMPL = 4.5Msps, unless otherwise noted. THD, Harmonics vs Temperature, SNR, SINAD vs Reference Voltage Reference Current fIN = 500kHz fIN = 500kHz vs Reference Voltage
–75 79 600 VDD = 5V SNR 78 fS = 5Msps 500 –80 fS = 5Msps 77 V SNR DD = 5V THD SINAD 400 –85 76 VDD = 5V VDD = 3.6V fS = 3Msps 3RD SINAD 300 75 fS = 3Msps –90 VDD = 3.6V SNR, SINAD (dBFS) 200 74 THD, HARMONICS (dB) 2ND OPERATION REFERENCE CURRENT (µA) OPERATION –95 NOT ALLOWED NOT ALLOWED 73 100 –100 72 0 –55 –35 –15 5 25 45 65 85 105 125 2 2.5 3 3.5 4 4.5 2 2.5 3 3.5 4 4.5 TEMPERATURE (°C) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 231414 G08a 231414 G10 231414 G11
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
4 1 6.5 3 VDD = 5V 6.25 2 0.5 6 1 0 0 5.75 VDD = 3V –1 5.5 OFFSET ERROR (LSB) FULL-SCALE ERROR (LSB) –2 –0.5 SUPPLY CURRENT (mA) 5.25 –3 –4 –1 5 –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) 231414 G12 231414 G13 231414 G14
Shutdown Current vs Temperature Supply Current vs SCK Frequency
1 7 V I DD = 3V VDD + IOVDD OV 6 DD = 1.8V 0.75 5 ITOT 4 IVDD 0.5 3 SUPPLY CURRENT (mA) 2 SHUTDOWN CURRENT (µA) 0.25 VDD = 3V 1 V I DD = 5V OVDD 0 0 –55 –35 –15 5 25 45 65 85 105 125 10 20 30 40 50 60 70 80 90 TEMPERATURE (°C) SCK FREQUENCY (MHz) 231414 G16 231414 G15 231414fa For more information www.linear.com/LTC2314-14 7
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 5V, OVDD = 2.5V, fSMPL = 4.5Msps, unless otherwise noted. THD, Harmonics vs Temperature, SNR, SINAD vs Reference Voltage Reference Current fIN = 500kHz fIN = 500kHz vs Reference Voltage
–75 79 600 VDD = 5V SNR 78 fS = 5Msps 500 –80 fS = 5Msps 77 V SNR DD = 5V THD SINAD 400 –85 76 VDD = 5V VDD = 3.6V fS = 3Msps 3RD SINAD 300 75 fS = 3Msps –90 VDD = 3.6V SNR, SINAD (dBFS) 200 74 THD, HARMONICS (dB) 2ND OPERATION REFERENCE CURRENT (µA) OPERATION –95 NOT ALLOWED NOT ALLOWED 73 100 –100 72 0 –55 –35 –15 5 25 45 65 85 105 125 2 2.5 3 3.5 4 4.5 2 2.5 3 3.5 4 4.5 TEMPERATURE (°C) REFERENCE VOLTAGE (V) REFERENCE VOLTAGE (V) 231414 G08a 231414 G10 231414 G11
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
4 1 6.5 3 VDD = 5V 6.25 2 0.5 6 1 0 0 5.75 VDD = 3V –1 5.5 OFFSET ERROR (LSB) FULL-SCALE ERROR (LSB) –2 –0.5 SUPPLY CURRENT (mA) 5.25 –3 –4 –1 5 –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) 231414 G12 231414 G13 231414 G14
Shutdown Current vs Temperature Supply Current vs SCK Frequency
1 7 V I DD = 3V VDD + IOVDD OV 6 DD = 1.8V 0.75 5 ITOT 4 IVDD 0.5 3 SUPPLY CURRENT (mA) 2 SHUTDOWN CURRENT (µA) 0.25 VDD = 3V 1 V I DD = 5V OVDD 0 0 –55 –35 –15 5 25 45 65 85 105 125 10 20 30 40 50 60 70 80 90 TEMPERATURE (°C) SCK FREQUENCY (MHz) 231414 G16 231414 G15 231414fa For more information www.linear.com/LTC2314-14 7