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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC1865 датащи(PDF) 3 Page - Linear Technology |
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LTC1865 датащи(HTML) 3 Page - Linear Technology |
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3 / 18 page  LTC2356-12/LTC2356-14 3 2356fb DYNAMIC ACCURACY The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C with external reference = 2.55V. VDD = 3.3V. Single-ended AIN+ signal drive with AIN– = 1.5V DC. Differential signal drive with VCM = 1.5V at AIN+ and AIN– ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. With internal reference. VDD = 3.3V. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Differential Input Range (Notes 3, 8, 9) 3.1V ≤ VDD ≤ 3.6V l –1.25 to 1.25 V VCM Analog Common Mode + Differential Input Range (Note 10) 0 to VDD V IIN Analog Input Leakage Current l 1 µA CIN Analog Input Capacitance (Note 19) 13 pF tACQ Sample-and-Hold Acquisition Time (Note 6) l 39 ns tAP Sample-and-Hold Aperture Delay Time 1 ns tJITTER Sample-and-Hold Aperture Delay Time Jitter 0.3 ps CMRR Analog Input Common Mode Rejection Ratio fIN = 1MHz, VIN = 0V to 3V fIN = 100MHz, VIN = 0V to 3V –60 –15 dB dB SYMBOL PARAMETER CONDITIONS LTC2356-12 LTC2356-14 UNITS MIN TYP MAX MIN TYP MAX SINAD Signal-to-Noise Plus Distortion Ratio 100kHz Input Signal (Note 19) 1.4MHz Input Signal (Note 19) l 68 71.1 71.1 70 74.1 72.3 dB dB THD Total Harmonic Distortion 100kHz First 5 Harmonics (Note 19) 1.4MHz First 5 Harmonics (Note 19) l –86 –82 –76 –86 –82 –78 dB dB SFDR Spurious Free Dynamic Range 100kHz Input Signal (Note 19) 1.4MHz Input Signal (Note 19) 86 82 86 82 dB dB IMD Intermodulation Distortion 0.625VP-P to 1.4MHz Summed with 0.625VP-P 1.56MHz into AIN+ and Inverted into AIN– –82 –82 dB Code-to-Code Transition Noise VREF = 2.5V (Note 18) 0.25 1 LSBRMS Full Power Bandwidth VIN = 2.5VP-P, SDO = 11585LSBP-P (Note 15) 50 50 MHz Full Linear Bandwidth S/(N + D) ≥ 68dB 5 5 MHz PARAMETER CONDITIONS MIN TYP MAX UNITS VREF Output Voltage IOUT = 0 2.5 V VREF Output Tempco 15 ppm/°C VREF Line Regulation VDD = 3.1V to 3.6V, VREF = 2.5V 600 µV/V VREF Output Resistance Load Current = 0.5mA 0.2 Ω VREF Settling Time CREF = 10µF 2 ms External VREF Input Range 2.55 VDD V INTERNAL REFERENCE CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 3.3V. |
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