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LTC2221 Datasheet(PDF) 3 Page - Linear Technology |
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LTC2221 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 32 page  LTC2220/LTC2221 3 22201fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Input Range (AIN + – AIN–) 3.1V < VDD < 3.5V (Note 7) ● ±0.5 to ±1V VIN, CM Analog Input Common Mode (AIN + + AIN–)/2 Differential Input (Note 7) ● 1 1.6 1.9 V Single Ended Input (Note 7) ● 0.5 1.6 2.1 V IIN Analog Input Leakage Current 0 < AIN+, AIN– < VDD ● –1 1 µA ISENSE SENSE Input Leakage 0V < SENSE < 1V ● –1 1 µA IMODE MODE Pin Pull-Down Current to GND 10 µA ILVDS LVDS Pin Pull-Down Current to GND 10 µA tAP Sample and Hold Acquisition Delay Time 0 ns tJITTER Sample and Hold Acquisition Delay Time Jitter 0.15 psRMS CMRR Analog Input Common Mode Rejection Ratio 80 dB Full Power Bandwidth Figure 8 Test Circuit 775 MHz LTC2220 LTC2221 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS SNR Signal-to-Noise Ratio 5MHz Input (1V Range) 62.7 62.8 dB (Note 10) 5MHz Input (2V Range) 67.7 67.8 dB 70MHz Input (1V Range) 62.7 62.8 dB 70MHz Input (2V Range) ● 65.8 67.6 65.8 67.8 dB 140MHz Input (1V Range) 62.4 62.5 dB 140MHz Input (2V Range) 67.5 67.5 dB 250MHz Input (1V Range) 61.8 61.8 dB 250MHz Input (2V Range) 66.1 66.1 dB SFDR Spurious Free Dynamic Range 5MHz Input (1V Range) 84 84 dB 2nd or 3rd Harmonic 5MHz Input (2V Range) 84 84 dB 70MHz Input (1V Range) 84 84 dB 70MHz Input (2V Range) ● 70 84 70 84 dB 140MHz Input (1V Range) 84 84 dB 140MHz Input (2V Range) 84 84 dB 250MHz Input (1V Range) 74 77 dB 250MHz Input (2V Range) 73 77 dB SFDR Spurious Free Dynamic Range 5MHz Input (1V Range) 90 90 dB 4th Harmonic or Higher 5MHz Input (2V Range) 90 90 dB 70MHz Input (1V Range) 90 90 dB 70MHz Input (2V Range) ● 75 90 75 90 dB 140MHz Input (1V Range) 87 90 dB 140MHz Input (2V Range) 87 90 dB 250MHz Input (1V Range) 85 90 dB 250MHz Input (2V Range) 85 90 dB S/(N+D) Signal-to-Noise Plus 5MHz Input (1V Range) 62.7 62.8 dB Distortion Ratio (Note 12) 5MHz Input (2V Range) 67.5 67.6 dB 70MHz Input (1V Range) 62.7 62.8 dB 70MHz Input (2V Range) ● 65 67.3 65 67.4 dB IMD Intermodulation Distortion fIN1 = 138MHz, fIN2 = 140MHz 81 81 dBc A ALOG I PUT DY A IC ACCURACY The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 4) (Note 11) (Note 11) |
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