Datasheet LTC2385-16 (Analog Devices) - 3

LTC2385-16
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution l 16 Bits No Missing Codes l 16 Bits Transition Noise 0.35 LSBRMS INL Integral Linearity Error REFBUF = 4.096V (Notes 7, 9) l –0.5 ±0.15 0.5 LSB DNL Differential Linearity Error l –0.6 ±0.06 0.6 LSB ZSE Zero-Scale Error (Note 8) l –2.5 ±0.4 2.5 LSB Zero-Scale Error Drift 0.005 LSB/°C FSE Full-Scale Error REFBUF = 4.096V (REFBUF Overdriven) (Notes 8, 9) l –5 ±1.3 5 LSB REFIN = 2.048V (REFIN Overdriven) (Note 8) l –40 ±7 40 LSB Full-Scale Error Drift REFBUF = 4.096V (REFBUF Overdriven) (Note 9) ±0.1 ppm/°C REFIN = 2.048V (REFIN Overdriven) ±1.5 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 5, 10) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 2kHz l 91.5 93.9 dB fIN = 1MHz l 91.2 93.2 dB SNR Signal-to-Noise Ratio fIN = 2kHz l 91.6 94 dB fIN = 1MHz l 91.4 93.8 dB THD Total Harmonic Distortion fIN = 2kHz l –117 –108 dB (First Five Harmonics) fIN = 1MHz l –100 –97 dB SFDR Spurious Free Dynamic Range fIN = 2kHz l 107 119 dB fIN = 1MHz l 97 101 dB –3dB Input Bandwidth 200 MHz
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREFIN Internal Reference Output Voltage IOUT = 0μA 2.043 2.048 2.053 V VREFIN Temperature Coefficient (Note 11) l ±5 ±20 ppm/°C REFIN Output Impedance 15 kΩ VREFIN Line Regulation VDD = 4.75V to 5.25V 0.3 mV/V REFIN Input Voltage Range (REFIN Overdriven) (Note 6) l 2.008 2.048 2.088 V 238516f For more information www.linear.com/LTC2385-16 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Package Description Typical Application Related Parts