Datasheet LTC2368-24 (Analog Devices) - 3

LTC2368-24
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
V + IN Absolute Input Range (IN+) (Note 5) l −0.1 VREF + 0.1 V V – IN Absolute Input Range (IN–) (Note 5) l −0.1 0.1 V V + – + – IN – VIN Input Differential Voltage Range VIN = VIN – VIN l 0 VREF V 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 = 500kHz 83 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 24 Bits No Missing Codes l 24 Bits N Number of Averages l 1 65536 Transition Noise N = 1 l 68.5 LSBRMS N = 16 l 16.8 LSBRMS N = 1024 l 2.24 LSBRMS N = 16384 l 0.87 LSBRMS INL Integral Linearity Error (Note 6) l –4.5 ±0.5 4.5 ppm DNL Differential Linearity Error (Note 7) l –0.9 ±0.4 0.9 LSB ZSE Zero-Scale Error (Note 8) l −20 0 20 ppm Zero-Scale Error Drift ±0.7 ppb/°C FSE Full-Scale Error (Note 8) l −100 ±10 100 ppm Full-Scale Error Drift ±0.05 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, 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DR Dynamic Range IN+ = IN– = GND, VREF = 5V, N = 1 98 dB IN+ = IN– = GND, VREF = 5V, N = 16 110 dB IN+ = IN– = GND, VREF = 5V, N = 1024 128 dB IN+ = IN– = GND, VREF = 5V, N = 16384 138 dB IN+ = IN– = GND, VREF = 5V, N = 65536 140 dB SINAD Signal-to-(Noise + Distortion) Ratio fIN = 2kHz, VREF = 5V l 95.5 98 dB SNR Signal-to-Noise Ratio fIN = 2kHz, VREF = 5V l 95.5 98 dB fIN = 2kHz, VREF = 2.5V l 90 92.3 dB fIN = 2kHz, VREF = 5V, N = 16, AIN = –20dBFS 110 dB fIN = 50Hz, VREF = 5V, N = 1024, AIN = –20dBFS 124 dB THD Total Harmonic Distortion fIN = 2kHz, VREF = 5V l –116 –103 dB fIN = 2kHz, VREF = 2.5V l –116 –103 dB fIN = 2kHz, VREF = 5V, N = 16, AIN = –20dBFS –116 dB fIN = 50Hz, VREF = 5V, N = 1024, AIN = –20dBFS –116 dB SFDR Spurious Free Dynamic Range fIN = 2kHz, VREF = 5V l 103 116 dB –3dB Input Linear Bandwidth 34 MHz 236824f For more information www.linear.com/LTC2368-24 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 Package Description Typical Application Related Parts