Datasheet LTC2389-16 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 16-Bit, 2.5Msps SAR ADC with Pin-Configurable Analog Input Range and 96dB SNR |
| Seiten / Seite | 40 / 8 — t ypical perFormance characteristics TA = 25°C, VDD = 5V, OVDD = 2.5V, … |
| Dateiformat / Größe | PDF / 1.1 Mb |
| Dokumentensprache | Englisch |
t ypical perFormance characteristics TA = 25°C, VDD = 5V, OVDD = 2.5V, VREF = 4.096V
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LTC2389-16
t ypical perFormance characteristics TA = 25°C, VDD = 5V, OVDD = 2.5V, VREF = 4.096V External Reference, Fully Differential Range (PD/FD = 0V), VCM = 2.048V, fSMPL = 2.5Msps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
98 –110 1.0 97 –115 THD 0.5 MAX INL 3RD 96 –120 MAX DNL SNR SINAD 0 MIN DNL 95 –125 2ND SNR, SINAD (dB) /DNL ERROR (LSB) THD, HARMONICS (dB) INL MIN INL –0.5 94 –130 93 –135 –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) 238916 G10 238916 G11 238916 G12
Offset Error vs Temperature Full-Scale Error vs Temperature Supply Current vs Temperature
1.0 25 35 IVDD 20 30 15 0.5 +FS 10 25 5 20 0 0 15 –5 –FS OFFSET ERROR (LSB) –10 –0.5 10 FULL-SCALE ERROR (LSB) SUPPLY CURRENT (mA) –15 5 –20 IOVDD –1.0 –25 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) 238916 G13 238916 G14 238916 G15
Power-Down Current Supply Current vs Temperature vs Sampling Frequency CMRR vs Input Frequency
80 35 80 IVDD + IOVDD 70 30 75 60 25 70 50 20 IVDD 40 65 15 30 Y CURRENT (mA) CMRR (dB) 60 10 20 SUPPL POWER-DOWN CURRENT (µA) 55 10 5 IOVDD 0 0 50 –55 –35 –15 5 25 45 65 85 105 125 1 10 100 1000 10000 0 250 500 750 1000 1250 TEMPERATURE (°C) SAMPLING FREQUENCY (kHz) FREQUENCY (kHz) 238916 G16 238916 G17 238916 G18 238916f 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Analog Input Converter Characteristics Dynamic Accuracy Reference Characteristics Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Package Description Related Parts Typical Application
t ypical perFormance characteristics TA = 25°C, VDD = 5V, OVDD = 2.5V, VREF = 4.096V External Reference, Fully Differential Range (PD/FD = 0V), VCM = 2.048V, fSMPL = 2.5Msps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
98 –110 1.0 97 –115 THD 0.5 MAX INL 3RD 96 –120 MAX DNL SNR SINAD 0 MIN DNL 95 –125 2ND SNR, SINAD (dB) /DNL ERROR (LSB) THD, HARMONICS (dB) INL MIN INL –0.5 94 –130 93 –135 –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) 238916 G10 238916 G11 238916 G12
Offset Error vs Temperature Full-Scale Error vs Temperature Supply Current vs Temperature
1.0 25 35 IVDD 20 30 15 0.5 +FS 10 25 5 20 0 0 15 –5 –FS OFFSET ERROR (LSB) –10 –0.5 10 FULL-SCALE ERROR (LSB) SUPPLY CURRENT (mA) –15 5 –20 IOVDD –1.0 –25 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) 238916 G13 238916 G14 238916 G15
Power-Down Current Supply Current vs Temperature vs Sampling Frequency CMRR vs Input Frequency
80 35 80 IVDD + IOVDD 70 30 75 60 25 70 50 20 IVDD 40 65 15 30 Y CURRENT (mA) CMRR (dB) 60 10 20 SUPPL POWER-DOWN CURRENT (µA) 55 10 5 IOVDD 0 0 50 –55 –35 –15 5 25 45 65 85 105 125 1 10 100 1000 10000 0 250 500 750 1000 1250 TEMPERATURE (°C) SAMPLING FREQUENCY (kHz) FREQUENCY (kHz) 238916 G16 238916 G17 238916 G18 238916f 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Analog Input Converter Characteristics Dynamic Accuracy Reference Characteristics Digital Inputs And Digital Outputs Power Requirements Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagrams Applications Information Package Description Related Parts Typical Application