Datasheet LTC2377-18 (Analog Devices) - 7
| Fabricante | Analog Devices |
| Descripción | 18-Bit, 500ksps, Low Power SAR ADC with 102dB SNR |
| Páginas / Página | 26 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, … |
| Formato / tamaño de archivo | PDF / 764 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V,
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Versión de texto del documento
LTC2377-18
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 500ksps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
105.0 –115 1.0 104.5 104.0 SNR –120 0.5 103.5 THD MAX INL 103.0 SINAD –125 MAX DNL 3RD 102.5 0 MIN DNL 102.0 –130 MIN INL SNR, SINAD (dBFS) 101.5 2ND HARMONICS, THD (dBFS) INL/DNL ERROR (LSB)–0.5 101.0 –135 100.5 100.0 –140 –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) 237718 G10 237718 G11 237718 G12
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
8 2.0 3.0 IVDD 6 –FS 1.5 2.5 4 1.0 2.0 2 0.5 0 0 Y CURRENT (mA) 1.5 –2 –0.5 1.0 OFFSET ERROR (LSB) FULL-SCALE ERROR (LSB) –4 –1.0 POWER SUPPL 0.5 IREF –6 +FS –1.5 IOVDD –8 –2.0 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) 237718 G13 237718 G14 237718 G15
Reference Current Shutdown Current vs Temperature CMRR vs Input Frequency vs Reference Voltage
45 100 0.35 IVDD + IOVDD + IREF 40 95 0.30 35 0.25 30 90 0.20 25 85 20 CMRR (dB) 0.15 15 80 0.10 10 REFERENCE CURRENT (mA) POWER-DOWN CURRENT (µA) 75 0.05 5 0 70 0 –55 –35 –15 5 25 45 65 85 105 125 0 50 100 150 200 250 2.5 3.0 3.5 4.0 4.5 5.0 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 237718 G16 237718 G17 237718 G18 237718fa For more information www.linear.com/LTC2377-18 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VDD = 2.5V, OVDD = 2.5V, VCM = 2.5V, REF = 5V, fSMPL = 500ksps, unless otherwise noted. SNR, SINAD vs Temperature, THD, Harmonics vs Temperature, fIN = 2kHz fIN = 2kHz INL/DNL vs Temperature
105.0 –115 1.0 104.5 104.0 SNR –120 0.5 103.5 THD MAX INL 103.0 SINAD –125 MAX DNL 3RD 102.5 0 MIN DNL 102.0 –130 MIN INL SNR, SINAD (dBFS) 101.5 2ND HARMONICS, THD (dBFS) INL/DNL ERROR (LSB)–0.5 101.0 –135 100.5 100.0 –140 –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) 237718 G10 237718 G11 237718 G12
Full-Scale Error vs Temperature Offset Error vs Temperature Supply Current vs Temperature
8 2.0 3.0 IVDD 6 –FS 1.5 2.5 4 1.0 2.0 2 0.5 0 0 Y CURRENT (mA) 1.5 –2 –0.5 1.0 OFFSET ERROR (LSB) FULL-SCALE ERROR (LSB) –4 –1.0 POWER SUPPL 0.5 IREF –6 +FS –1.5 IOVDD –8 –2.0 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) 237718 G13 237718 G14 237718 G15
Reference Current Shutdown Current vs Temperature CMRR vs Input Frequency vs Reference Voltage
45 100 0.35 IVDD + IOVDD + IREF 40 95 0.30 35 0.25 30 90 0.20 25 85 20 CMRR (dB) 0.15 15 80 0.10 10 REFERENCE CURRENT (mA) POWER-DOWN CURRENT (µA) 75 0.05 5 0 70 0 –55 –35 –15 5 25 45 65 85 105 125 0 50 100 150 200 250 2.5 3.0 3.5 4.0 4.5 5.0 TEMPERATURE (°C) FREQUENCY (kHz) REFERENCE VOLTAGE (V) 237718 G16 237718 G17 237718 G18 237718fa For more information www.linear.com/LTC2377-18 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Revision History Typical Application Related Parts