Datasheet LTC2369-18 (Analog Devices) - 3
| Fabricante | Analog Devices |
| Descripción | 18-Bit, 1.6Msps, Pseudo- Differential Unipolar SAR ADC with 96.5dB SNR |
| Páginas / Página | 24 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply … |
| Formato / tamaño de archivo | PDF / 914 Kb |
| 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
LTC2369-18
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 = 800kHz 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 0.04 LSB/°C FSE Full-Scale Error (Note 7) l –50 ±5 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 92.2 96.5 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 91.7 96.5 dB SNR Signal-to-Noise Ratio fIN = 2kHz, VREF = 5V l 92.6 96.5 dB fIN = 2kHz, VREF = 2.5V l 87 90.7 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 92 96.5 dB fIN = 2kHz, VREF = 2.5V, (H-Grade) l 86.4 90.7 dB THD Total Harmonic Distortion fIN = 2kHz, VREF = 5V l –120 –103 dB fIN = 2kHz, VREF = 2.5V l –107 –103 dB SFDR Spurious Free Dynamic Range fIN = 2kHz, VREF = 5V l 103 122 dB –3dB Input Bandwidth 34 MHz Aperture Delay 500 ps Aperture Jitter 4 ps Transient Response Full-Scale Step 200 ns 236918fa 3
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 = 800kHz 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 0.04 LSB/°C FSE Full-Scale Error (Note 7) l –50 ±5 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 92.2 96.5 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 91.7 96.5 dB SNR Signal-to-Noise Ratio fIN = 2kHz, VREF = 5V l 92.6 96.5 dB fIN = 2kHz, VREF = 2.5V l 87 90.7 dB fIN = 2kHz, VREF = 5V, (H-Grade) l 92 96.5 dB fIN = 2kHz, VREF = 2.5V, (H-Grade) l 86.4 90.7 dB THD Total Harmonic Distortion fIN = 2kHz, VREF = 5V l –120 –103 dB fIN = 2kHz, VREF = 2.5V l –107 –103 dB SFDR Spurious Free Dynamic Range fIN = 2kHz, VREF = 5V l 103 122 dB –3dB Input Bandwidth 34 MHz Aperture Delay 500 ps Aperture Jitter 4 ps Transient Response Full-Scale Step 200 ns 236918fa 3