Datasheet LTC2368-18 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 18-Bit, 1Msps, Pseudo-Differential Unipolar SAR ADC with 97dB SNR |
| Páginas / Página | 24 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Formato / tamaño de archivo | PDF / 2.3 Mb |
| Idioma del documento | Inglés |
ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating
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Versión de texto del documento
LTC2368-18
ELECTRICAL 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 0.1 V VIN+ – VIN– Input Differential Voltage Range VIN = VIN+ – VIN– l 0 VREF V IIN Analog Input Leakage Current l ±1 µA CIN Analog Input Capacitance Sample Mode 45 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio fIN = 500kHz 80 dB
CONVERTER 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 18 Bits No Missing Codes l 18 Bits Transition Noise 1.3 LSBRMS INL Integral Linearity Error (Note 6) l –2.5 ±0.5 2.5 LSB DNL Differential Linearity Error l –0.5 ±0.1 0.5 LSB ZSE Zero-Scale Error (Note 7) l –11 0 11 LSB Zero-Scale Error Drift 0.02 LSB/°C FSE Full-Scale Error (Note 7) l –50 ±7 50 LSB Full-Scale Error Drift ±0.15 ppm/°C
DYNAMIC 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 93.8 97 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 93.3 97 dB SNR Signal-to-Noise Ratio fIN = 2kHz, VREF = 5V l 94.3 97 dB fIN = 2kHz, VREF = 2.5V l 88.5 91.5 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 93.8 97 dB fIN = 2kHz, VREF = 2.5V, (H-Grade) l 88 91.5 dB THD Total Harmonic Distortion fIN = 2kHz, VREF = 5V l –120 –103 dB fIN = 2kHz, VREF = 2.5V l –116 –103 dB SFDR Spurious Free Dynamic Range fIN = 2kHz, VREF = 5V l 104 120 dB –3dB Input Bandwidth 34 MHz Aperture Delay 500 ps Aperture Jitter 4 ps Transient Response Full-Scale Step 460 ns 236818f 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 Timing Diagrams Board Layout Package Description Typical Application Related Parts
ELECTRICAL 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 0.1 V VIN+ – VIN– Input Differential Voltage Range VIN = VIN+ – VIN– l 0 VREF V IIN Analog Input Leakage Current l ±1 µA CIN Analog Input Capacitance Sample Mode 45 pF Hold Mode 5 pF CMRR Input Common Mode Rejection Ratio fIN = 500kHz 80 dB
CONVERTER 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 18 Bits No Missing Codes l 18 Bits Transition Noise 1.3 LSBRMS INL Integral Linearity Error (Note 6) l –2.5 ±0.5 2.5 LSB DNL Differential Linearity Error l –0.5 ±0.1 0.5 LSB ZSE Zero-Scale Error (Note 7) l –11 0 11 LSB Zero-Scale Error Drift 0.02 LSB/°C FSE Full-Scale Error (Note 7) l –50 ±7 50 LSB Full-Scale Error Drift ±0.15 ppm/°C
DYNAMIC 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 93.8 97 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 93.3 97 dB SNR Signal-to-Noise Ratio fIN = 2kHz, VREF = 5V l 94.3 97 dB fIN = 2kHz, VREF = 2.5V l 88.5 91.5 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 93.8 97 dB fIN = 2kHz, VREF = 2.5V, (H-Grade) l 88 91.5 dB THD Total Harmonic Distortion fIN = 2kHz, VREF = 5V l –120 –103 dB fIN = 2kHz, VREF = 2.5V l –116 –103 dB SFDR Spurious Free Dynamic Range fIN = 2kHz, VREF = 5V l 104 120 dB –3dB Input Bandwidth 34 MHz Aperture Delay 500 ps Aperture Jitter 4 ps Transient Response Full-Scale Step 460 ns 236818f 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 Timing Diagrams Board Layout Package Description Typical Application Related Parts