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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC6409 датащи(PDF) 3 Page - Linear Technology |
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LTC6409 датащи(HTML) 3 Page - Linear Technology |
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3 / 34 page  3 21576514fa LTC2157-14/ LTC2156-14/LTC2155-14 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 LTC2157-14 LTC2156-14 LTC2155-14 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX Resolution (No Missing Codes) l 14 14 14 Bits Integral Linearity Error Differential Analog Input (Note 6) l –5.5 ±0.85 5.5 –5.3 ±0.85 5.3 –5.1 ±0.85 5.1 LSB Differential Linearity Error Differential Analog Input l –0.9 ±0.25 0.9 –0.9 ±0.25 0.9 –0.9 ±0.25 0.9 LSB Offset Error (Note 7) l –13 ±5 13 –13 ±5 13 –13 ±5 13 mV Gain Error Internal Reference External Reference l –4.0 ±1.5 ±1 2.2 –4.0 ±1.5 ±1 2.2 –4.0 ±1.5 ±1 2.2 %FS %FS Offset Drift ±20 ±20 ±20 μV/°C Full-Scale Drift Internal Reference External Reference ±30 ±10 ±30 ±10 ±30 ±10 ppm/°C ppm/°C Transition Noise 1.82 1.82 1.82 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 VIN Analog Input Range (AIN+ – AIN–) 1.7V < VDD < 1.9V l 1.5 VP-P VIN(CM) Analog Input Common Mode (AIN+ + AIN–)/2 Differential Analog Input (Note 8) l VCM – 20mV VCM VCM + 20mV V VSENSE External Voltage Reference Applied to SENSE External Reference Mode l 1.200 1.250 1.300 V IIN1 Analog Input Leakage Current 0 < AIN+, AIN– < VDD, No Encode l –1 1 μA IIN2 PAR/SER Input Leakage Current 0 < PAR/SER < VDD l –1 1 μA IIN3 SENSE Input Leakage Current 1.2V < SENSE < 1.3V l –1 1 μA tAP Sample-and-Hold Acquisition Delay Time 1 ns tJITTER Sample-and-Hold Acquisition Delay Jitter 0.15 psRMS CMRR Analog Input Common Mode Rejection Ratio 75 dB BW-3B Full-Power Bandwidth 1250 MHz DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5) SYMBOL PARAMETER CONDITIONS LTC2157-14 LTC2156-14 LTC2155-14 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX SNR Signal-to-Noise Ratio 15MHz Input 70MHz Input 140MHz Input l 67.1 70 69.7 69 67.6 70 69.7 69 67.7 70 69.8 69.1 dBFS dBFS dBFS SFDR Spurious Free Dynamic Range 2nd or 3rd Harmonic 15MHz Input 70MHz Input 140MHz Input l 71 90 85 80 74 90 85 80 76 90 85 80 dBFS dBFS dBFS Spurious Free Dynamic Range 4th Harmonic or Higher 15MHz Input 70MHz Input 140MHz Input l 81 98 95 85 82 95 95 85 83 95 95 85 dBFS dBFS dBFS S/(N+D) Signal-to-Noise Plus Distortion Ratio 15MHz Input 70MHz Input 140MHz Input l 66.3 69.9 69.4 68.8 67.2 69.9 69.4 68.8 67.3 69.9 69.4 68.5 dBFS dBFS dBFS Crosstalk Crosstalk Between Channels Up to 315MHz Input –95 –95 –95 dB |
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