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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC2255 датащи(PDF) 3 Page - Linear Technology |
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LTC2255 датащи(HTML) 3 Page - Linear Technology |
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3 / 24 page  LTC2201 3 2201f CONVERTER CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No missing codes) 16 Integral Linearity Error Differential Analog Input (Note 5) l ±1.5 ±5 LSB Differential Linearity Error Differential Analog Input l ±0.3 ±1 LSB Offset Error (Note 6) l ±2 ±10 mV Offset Drift ±10 μV/°C Gain Error External Reference l ±0.2 ±1.5 %FS Full-Scale Drift Internal Reference External Reference ±30 ±15 ppm/°C ppm/°C Transition Noise External Reference (2.5V Range, PGA = 0) 1.92 LSBRMS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Input Range (AIN+ – AIN–) 3.135V ≤ VDD ≤ 3.465V 1.667 or 2.5 VP-P VIN, CM Analog Input Common Mode Differential Input (Note 7) l 1 1.25 1.5 V IIN Analog Input Leakage Current 0V ≤ AIN+, AIN– ≤ VDD (Note 9) l –1 1 μA ISENSE SENSE Input Leakage Current 0V ≤ SENSE ≤ VDD (Note 10) l –3 3 μA IMODE MODE Pin Pull-Down Current to GND 10 μA IOE OE Pin Pull-Down Current to GND 10 μA CIN Analog Input Capacitance Sample Mode CLK = 0 Hold Mode CLK = 0 10.5 1.4 pF pF tAP Sample-and-Hold Acquisition Delay Time 0.9 ns tJITTER Sample-and-Hold Acquisition Delay Time Jitter 200 fsRMS CMRR Analog Input Common Mode Rejection Ratio 1V < (AIN+ = AIN–) <1.5V 80 dB BW-3dB Full Power Bandwidth RS < 20Ω 380 MHz SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SNR Signal-to-Noise Ratio 1MHz Input (2.25V Range, PGA = 0) 1MHz Input (1.667V Range, PGA = 1) 81.6 79.4 dBFS dBFS 5MHz Input (2.5V Range, PGA = 0) 5MHz Input (1.667V Range, PGA = 1) l 80 81.6 79.4 dBFS dBFS 12.5MHz Input (2.5V Range, PGA = 0) 12.5MHz Input (1.667V Range, PGA = 1) 81.4 79.3 dBFS dBFS 30MHz Input (2.5V Range, PGA = 0) 30MHz Input (1.667V Range, PGA = 1) 80.8 78.9 dBFS dBFS 70MHz Input (2.5V Range, PGA = 0) 70MHz Input (1.667V Range, PGA =1 ) 78.3 77.2 dBFS dBFS ANALOG INPUT 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 4) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) |
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