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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC2182 датащи(PDF) 4 Page - Linear Technology |
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LTC2182 датащи(HTML) 4 Page - Linear Technology |
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4 / 36 page  LTC2142-12/ LTC2141-12/LTC2140-12 4 21421012p 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 VIN Analog Input Range (AIN+ – AIN–) 1.7V < VDD < 1.9V l 1 to 2 VP-P VIN(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, 65Msps Per Pin, 40Msps Per Pin, 25Msps 81 50 31 μA μA μA IIN1 Analog Input Leakage Current (No Encode) 0 < AIN+, AIN– < VDD l –1 1 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 –6 6 μA tAP Sample-and-Hold Acquisition Delay Time 0 ns tJITTER Sample-and-Hold Acquisition Delay Jitter Single-Ended Encode Differential Encode 0.08 0.10 psRMS psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB BW-3B Full-Power Bandwidth Figure 6 Test Circuit 800 MHz CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) PARAMETER CONDITIONS LTC2142-12 LTC2141-12 LTC2140-12 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX Resolution (No Missing Codes) l 12 12 12 Bits Integral Linearity Error Differential Analog Input (Note 6) l TBD ±0.3 TBD TBD ±0.3 TBD TBD ±0.3 TBD LSB Differential Linearity Error Differential Analog Input l –1 ±0.1 1 –1 ±0.1 1 –1 ±0.1 1 LSB Offset Error (Note 7) l –9 ±1.5 9 –9 ±1.5 9 –9 ±1.5 9 mV Gain Error Internal Reference External Reference l –2.1 ±1.5 –0.6 0.9 –2.1 ±1.5 –0.6 0.9 –2.1 ±1.5 –0.6 0.9 %FS %FS Offset Drift ±10 ±10 ±10 μV/°C Full-Scale Drift Internal Reference External Reference ±30 ±10 ±30 ±10 ±30 ±10 ppm/°C ppm/°C Gain Matching ±0.3 ±0.3 ±0.3 %FS Offset Matching ±1.5 ±1.5 ±1.5 mV Transition Noise 0.3 0.3 0.3 LSBRMS |
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