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LTC1405IGN 数据表(PDF) 3 Page - Linear Technology |
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LTC1405IGN 数据表(HTML) 3 Page - Linear Technology |
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3 / 16 page  3 LTC1405 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage VDD = 5.25V, VSS = 0V q 2.4 V VDD = 5.25V, VSS = – 5V q 3.5 V VIL Low Level Input Voltage VDD = 4.75V, VSS = 0V q 0.8 V VDD = 4.75V, VSS = – 5V q 1V I TER AL REFERE CE CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS VCM Output Voltage IOUT = 0 2.475 2.500 2.525 V VCM Output Tempco IOUT = 0 ±15 ppm/ °C VCM Line Regulation 4.75V ≤ VDD ≤ 5.25V 0.6 mV/V – 5.25V ≤ VSS ≤ –4.75V 0.03 mV/V VCM Output Resistance 0.1mA ≤ IOUT ≤ 0.1mA 8 Ω VREF Output Voltage SENSE = GND, IOUT = 0 4.096 V SENSE = VREF, IOUT = 0 2.048 V SENSE = VDD Drive VREF with V External Reference VREF Output Tempco ±15 ppm/ °C TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 5V, VSS = –5V, fSAMPLE = 5MHz, VREF = 4.096V. + AIN = – 0.1dBFS single ended input, –AIN = 0V. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS S/(N + D) Signal-to-Noise Plus Distortion Ratio 1MHz Input Signal q 69.0 71.6 dB 2.5MHz Input Signal q 68.7 71.3 dB THD Total Harmonic Distortion 1MHz Input Signal, First 5 Harmonics q – 87 – 78.5 dB 2.5MHz Input Signal, First 5 Harmonics q – 83 – 77.0 dB SFDR Peak Harmonic or Spurious Noise 1MHz Input Signal q – 89 – 79.5 dB 2.5MHz Input Signal q – 85 – 78.0 dB IMD Intermodulation Distortion fIN1 = 29.37kHz, fIN2 = 32.446kHz – 80 dB Full-Power Bandwidth 100 MHz Input Referred Noise ±2.048V Input Range 0.22 LSBRMS ±1.024V Input Range, 2x Mode (SENSE = GAIN = 0V) 0.33 LSBRMS ACCURACY IC DY A PUT I A A LOG The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tAP Sample-and-Hold Aperture Delay Time – 250 ps tjitter Sample-and-Hold Aperture Delay Time Jitter 0.6 ps CMRR Analog Input Common Mode Rejection Ratio –2.048V < (–AIN = +AIN) < 2.048V 75 dB DIGITAL I PUTS AND OUTPUTS |
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