Datasheet LTC2185, LTC2184, LTC2183 (Analog Devices) - 4

LTC2185/LTC2184/LTC2183
converTer characTerisTics The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) LTC2185 LTC2184 LTC2183 PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Resolution (No Missing Codes) l 16 16 16 Bits Integral Linearity Error Differential Analog Input (Note 6) l –7.5 ±2 7.5 –7.5 ±2 7.5 –7.5 ±2 7.5 LSB Differential Linearity Error Differential Analog Input l –0.9 ±0.5 0.9 –0.9 ±0.5 0.9 –0.9 ±0.5 0.9 LSB Offset Error (Note 7) l –7 ±1.5 7 –7 ±1.5 7 –7 ±1.5 7 mV Gain Error Internal Reference ±1.5 ±1.5 ±1.5 %FS External Reference l –2.3 –0.9 0.3 –2.1 –0.8 0.4 –1.8 –0.5 0.8 %FS Offset Drift ±10 ±10 ±10 µV/°C Full-Scale Drift Internal Reference ±30 ±30 ±30 ppm/°C External Reference ±10 ±10 ±10 ppm/°C Gain Matching ±0.3 ±0.3 ±0.3 %FS Offset Matching ±1.5 ±1.5 ±1.5 mV Transition Noise 3.4 3.5 3.2 LSBRMS
analog inpuT 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
V + – IN Analog Input Range (AIN – AIN ) 1.7V < VDD < 1.9V l 1 to 2 VP-P V + – IN(CM) Analog Input Common Mode (AIN + AIN )/2 Differential Analog Input (Note 8) l 0.7 VCM 1.25 V VSENSE External Voltage Reference Applied to SENSE External Reference Mode l 0.625 1.250 1.300 V IINCM Analog Input Common Mode Current Per Pin, 125Msps 200 µA Per Pin, 105Msps 170 µA Per Pin, 80Msps 130 µA I + – IN1 Analog Input Leakage Current (No Encode) 0 < AIN , AIN < VDD l –1.5 1.5 µA IIN2 PAR/SER Input Leakage Current 0 < PAR/SER < VDD l –3 3 µA IIN3 SENSE Input Leakage Current 0.625 < SENSE < 1.3V l –3 3 µA tAP Sample-and-Hold Acquisition Delay Time 0 ns tJITTER Sample-and-Hold Acquisition Delay Jitter Single-Ended Encode 0.07 psRMS Differential Encode 0.09 psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB BW-3B Full-Power Bandwidth Figure 6 Test Circuit 550 MHz 218543f 4 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Converter Characteristics Analog Input Dynamic Accuracy Internal Reference Characteristics Digital Inputs and Outputs Power Requirements Timing Characteristics Timing Diagrams Typical Performance Characteristics Pin Functions Functional Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts