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LTC2180 Datasheet(PDF) 5 Page - Linear Technology |
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LTC2180 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 36 page  5 2270f LTC2270 INTERNAL REFERENCE 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 MIN TYP MAX UNITS VCM Output Voltage IOUT = 0 l 0.5 • VDD – 25mV 0.5 • VDD 0.5 • VDD + 25mV V VCM Output Temperature Drift ±25 ppm/°C VCM Output Resistance –600μA < IOUT < 1mA 4 Ω VREF Output Voltage IOUT = 0 l 1.230 1.250 1.270 V VREF Output Temperature Drift ±25 ppm/°C VREF Output Resistance –400μA < IOUT < 1mA 7 Ω VREF Line Regulation 1.7V < VDD < 1.9V 0.6 mV/V 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 MIN TYP MAX UNITS SNR Signal-to-Noise Ratio 1.4MHz Input 5MHz Input 30MHz Input 70MHz Input l 82.3 84.1 84.1 83.8 82.7 dBFS dBFS dBFS dBFS SFDR Spurious Free Dynamic Range, 2nd Harmonic 1.4MHz Input 5MHz Input 30MHz Input 70MHz Input l 90 99 98 98 90 dBFS dBFS dBFS dBFS Spurious Free Dynamic Range, 3rd Harmonic 1.4MHz Input 5MHz Input 30MHz Input 70MHz Input l 92 99 98 98 96 dBFS dBFS dBFS dBFS Spurious Free Dynamic Range, 4th Harmonic or Higher 1.4MHz Input 5MHz Input 30MHz Input 70MHz Input l 95 110 110 105 100 dBFS dBFS dBFS dBFS S/(N+D) Signal-to-Noise Plus Distortion Ratio 1.4MHz Input 5MHz Input 30MHz Input 70MHz Input l 81.9 83.9 83.9 83.7 82.0 dBFS dBFS dBFS dBFS Crosstalk 10MHz Input –110 dBc |
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Similar Description - LTC2180 |
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