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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LTC2285 데이터시트(PDF) 3 Page - Linear Technology |
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LTC2285 데이터시트(HTML) 3 Page - Linear Technology |
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3 / 24 page  LTC2285 3 2285fb ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Input Range (AIN+ –AIN–) 2.85V < VDD < 3.4V (Note 7) ● ±0.5V to ±1V V VIN,CM Analog Input Common Mode (AIN+ +AIN–)/2 Differential Input Drive (Note 7) Single Ended Input Drive (Note 7) ● ● 1 0.5 1.5 1.5 1.9 2 V V IIN Analog Input Leakage Current 0V < AIN+, AIN– < VDD ● –1 1 μA ISENSE SENSEA, SENSEB Input Leakage 0V < SENSEA, SENSEB < 1V ● –3 3 μA IMODE MODE Input Leakage Current 0V < MODE < VDD ● –3 3 μA tAP Sample-and-Hold Acquisition Delay Time 0 ns tJITTER Sample-and-Hold Acquisition Delay Time Jitter 0.2 psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB Full Power Bandwidth Figure 8 Test Circuit 640 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 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS SNR Signal-to-Noise Ratio 5MHz Input 72.4 dB 30MHz Input 72.3 dB 70MHz Input ● 68.9 72.2 dB 140MHz Input 71.7 dB SFDR Spurious Free Dynamic Range 2nd or 3rd Harmonic 5MHz Input 88 dB 30MHz Input 85 dB 70MHz Input ● 70 82 dB 140MHz Input 78 dB SFDR Spurious Free Dynamic Range 4th Harmonic or Higher 5MHz Input 90 dB 30MHz Input 90 dB 70MHz Input ● 77 90 dB 140MHz Input 90 dB S/(N+D) Signal-to-Noise Plus Distortion Ratio 5MHz Input 72.2 dB 30MHz Input 72 dB 70MHz Input ● 67 71.9 dB 140MHz Input 70.2 dB IMD Intermodulation Distortion fIN = 40MHz, 41MHz 85 dB Crosstalk fIN = 100MHz –110 dB The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) CONVERTER CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Gain Matching External Reference ±0.3 %FS Offset Matching ±2 mV Transition Noise SENSE = 1V 1.3 LSBRMS |
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