Datasheet LTC2381-16 (Analog Devices) - 3

HerstellerAnalog Devices
Beschreibung16-Bit, 250ksps, Low Power SAR ADC with Serial Interface
Seiten / Seite26 / 3 — ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply …
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ELECTRICAL CHARACTERISTICS. The. denotes the specifications which apply over the full operating

ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating

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LTC2381-16
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 –0.05 VREF V VIN– Absolute Input Range (IN–) (Note 5) l –0.05 VREF 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 0.05 0.05 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 70 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 16 Bits No Missing Codes l 16 Bits Transition Noise 0.6 LSBRMS INL Integral Linearity Error (Note 6) l –2 ±0.9 2 LSB DNL Differential Linearity Error l –1 ±0.5 1 LSB BZE Bipolar Zero-Scale Error (Note 7) l –6 ±0.25 6 LSB Bipolar Zero-Scale Error Drift 3 mLSB/°C FSE Bipolar Full-Scale Error (Note 7) l –14 ±3 14 LSB Bipolar Full-Scale Error Drift ±0.1 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 = 20kHz l 88.5 92 dB SNR Signal-to-Noise Ratio fIN = 20kHz l 89 92 dB THD Total Harmonic Distortion fIN = 20kHz, First 5 Harmonics l –106 –99 dB SFDR Spurious Free Dynamic Range fIN = 20kHz 107 dB –3dB Input Bandwidth 30 MHz Aperture Delay 2 ns Aperture Jitter 30 ps Transient Response Full-Scale Step 250 ns 238116fa For more information www.linear.com/LTC2381-16 3