Datasheet LTC2376-20 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 20-Bit, 250ksps, Low Power SAR ADC with 0.5ppm INL |
| Páginas / Página | 30 / 3 — e lecTrical characTerisTics The. denotes the specifications which apply … |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
e lecTrical characTerisTics The. denotes the specifications which apply over the full operating
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LTC2376-20
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN+ Absolute Input Range (IN+) (Note 5) l –0.1 VREF + 0.1 V VIN– Absolute Input Range (IN–) (Note 5) l –0.1 VREF + 0.1 V VIN+ – VIN– Input Differential Voltage Range VIN = VIN+ – VIN– l –VREF +VREF V VCM Common-Mode Input Range l VREF/2– VREF/2 VREF/2+ V 0.1 0.1 IIN Analog Input Leakage Current 0.01 µA CIN Analog Input Capacitance Sample Mode 45 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio fIN = 125kHz 86 dB
c onverTer characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution l 20 Bits No Missing Codes l 20 Bits Transition Noise 2.3 ppmRMS INL Integral Linearity Error (Note 6) l –2 ±0.5 2 ppm REF/DGC = GND, (Note 6) l –2 ±0.5 2 ppm DNL Differential Linearity Error (Note 10) l –0.5 ±0.2 0.5 ppm BZE Bipolar Zero-Scale Error (Note 7) l –13 0 13 ppm Bipolar Zero-Scale Error Drift ±7 ppb/°C FSE Bipolar Full-Scale Error (Note 7) l –100 ±10 100 ppm Bipolar Full-Scale Error Drift ±0.05 ppm/°C
Dyna Mic accuracy The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C and AIN = –1dBFS. (Notes 4, 8) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 2kHz, VREF = 5V l 101 104 dB SNR Signal-to-Noise Ratio fIN = 2kHz, VREF = 5V l 101 104 dB fIN = 2kHz, VREF = 5V, REF/DGC = GND l 99 102 dB fIN = 2kHz, VREF = 2.5V l 95.5 98 dB THD Total Harmonic Distortion fIN = 2kHz, VREF = 5V l –125 –115 dB fIN = 2kHz, VREF = 5V, REF/DGC = GND l –125 –114 dB fIN = 2kHz, VREF = 2.5V l –123 –113 dB SFDR Spurious Free Dynamic Range fIN = 2kHz, VREF = 5V l 115 128 dB –3dB Input Bandwidth 34 MHz Aperture Delay 500 ps Aperture Jitter 4 ps Transient Response Full-Scale Step 1 µs 237620fb For more information www.linear.com/LTC2376-20 3 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 Typical Application Related Parts Features Applications Typical Application Description 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
e lecTrical characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN+ Absolute Input Range (IN+) (Note 5) l –0.1 VREF + 0.1 V VIN– Absolute Input Range (IN–) (Note 5) l –0.1 VREF + 0.1 V VIN+ – VIN– Input Differential Voltage Range VIN = VIN+ – VIN– l –VREF +VREF V VCM Common-Mode Input Range l VREF/2– VREF/2 VREF/2+ V 0.1 0.1 IIN Analog Input Leakage Current 0.01 µA CIN Analog Input Capacitance Sample Mode 45 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio fIN = 125kHz 86 dB
c onverTer characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution l 20 Bits No Missing Codes l 20 Bits Transition Noise 2.3 ppmRMS INL Integral Linearity Error (Note 6) l –2 ±0.5 2 ppm REF/DGC = GND, (Note 6) l –2 ±0.5 2 ppm DNL Differential Linearity Error (Note 10) l –0.5 ±0.2 0.5 ppm BZE Bipolar Zero-Scale Error (Note 7) l –13 0 13 ppm Bipolar Zero-Scale Error Drift ±7 ppb/°C FSE Bipolar Full-Scale Error (Note 7) l –100 ±10 100 ppm Bipolar Full-Scale Error Drift ±0.05 ppm/°C
Dyna Mic accuracy The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C and AIN = –1dBFS. (Notes 4, 8) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 2kHz, VREF = 5V l 101 104 dB SNR Signal-to-Noise Ratio fIN = 2kHz, VREF = 5V l 101 104 dB fIN = 2kHz, VREF = 5V, REF/DGC = GND l 99 102 dB fIN = 2kHz, VREF = 2.5V l 95.5 98 dB THD Total Harmonic Distortion fIN = 2kHz, VREF = 5V l –125 –115 dB fIN = 2kHz, VREF = 5V, REF/DGC = GND l –125 –114 dB fIN = 2kHz, VREF = 2.5V l –123 –113 dB SFDR Spurious Free Dynamic Range fIN = 2kHz, VREF = 5V l 115 128 dB –3dB Input Bandwidth 34 MHz Aperture Delay 500 ps Aperture Jitter 4 ps Transient Response Full-Scale Step 1 µs 237620fb For more information www.linear.com/LTC2376-20 3 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 Typical Application Related Parts Features Applications Typical Application Description 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