Datasheet LTC2312-14 (Analog Devices) - 3

LTC2312-14
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
VAIN Absolute Input Range l –0.05 VDD + 0.05 V VIN Input Voltage Range (Note 11) l 0 VREF V IIN Analog Input DC Leakage Current l –1 1 µA CIN Analog Input Capacitance Sample Mode 13 pF Hold Mode 3 pF
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 14 Bits No Missing Codes l 14 Bits Transition Noise (Note 6) 0.7 LSBRMS INL Integral Linearity Error VDD = 5V (Note 5) l –3.75 ±1 3.75 LSB VDD = 3V (Note 5) l –4 ±1.5 4 LSB DNL Differential Linearity Error VDD = 5V l –0.99 ±0.3 0.99 LSB VDD = 3V l –0.99 ±0.4 0.99 LSB Offset Error VDD = 5V l –9 ±2 9 LSB VDD = 3V l –18 ±4 18 LSB Full-Scale Error VDD = 5V l –18 ±5 18 LSB VDD = 3V l –34 ±7 34 LSB Total Unadjusted Error VDD = 5V l –22 ±6 22 LSB VDD = 3V l –38 ±8 38 LSB
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. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SINAD Signal-to-(Noise + Distortion) Ratio fIN = 20kHz, VDD = 5V l 72.5 77 dB fIN = 20kHz, VDD = 3V l 69 72.6 dB SNR Signal-to-Noise Ratio fIN = 20kHz, VDD = 5V l 73.5 77.5 dB fIN = 20kHz, VDD = 3V l 69.5 73 dB THD Total Harmonic Distortion fIN = 20kHz, VDD = 5V l –85 –76 dB First 5 Harmonics fIN = 20kHz, VDD = 3V l –85 –76 dB SFDR Spurious Free Dynamic Range fIN = 20kHz, VDD = 5V l 78 88 dB fIN = 20kHz, VDD = 3V l 76 88 dB IMD Intermodulation Distortion 2nd Order Terms fIN1 = 53kHz, fIN2 = 58kHz, –80 dBc 3rd Order Terms AIN1, AIN2 = –7dBFS –92 dBc Full Power Bandwidth At 3dB 130 MHz At 0.1dB 20 MHz –3dB Input Linear Bandwidth SINAD ≥ 74dB 5 MHz tAP Aperture Delay 1 ns tJITTER Aperture Jitter 10 psRMS 231214fa For more information www.linear.com/LTC2312-14 3 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input/Output Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Applications Information Package Description Related Parts