Datasheet LTC2224 (Analog Devices) - 3

LTC2224
U U A ALOG I PUT The
●
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
V + – IN Analog Input Range (AIN – AIN ) 3.1V < VDD < 3.5V ● ±0.5 to ±1 V V + – IN, CM Analog Input Common Mode (AIN + AIN )/2 Differential Input ● 1 1.6 1.9 V Single Ended Input (Note 7) ● 0.5 1.6 2.1 V I + – IN 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 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
U W DY A IC ACCURACY The
●
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 30MHz Input (1V Range) 62.8 dB 30MHz Input (2V Range) ● 66.5 67.6 dB 70MHz Input (1V Range) 62.8 dB 70MHz Input (2V Range) 67.6 dB 140MHz Input (1V Range) 62.5 dB 140MHz Input (2V Range) 67.3 dB 250MHz Input (1V Range) 61.8 dB 250MHz Input (2V Range) 65.9 dB SFDR Spurious Free Dynamic Range 30MHz Input (1V Range) 84 dB 30MHz Input (2V Range) ● 72 84 dB 70MHz Input (1V Range) 84 dB 70MHz Input (2V Range) 84 dB 140MHz Input (1V Range) 84 dB 140MHz Input (2V Range) 84 dB 250MHz Input (1V Range) 77 dB 250MHz Input (2V Range) 77 dB SFDR Spurious Free Dynamic Range 30MHz Input (1V Range) 90 dB 4th Harmonic or Higher 30MHz Input (2V Range) 90 dB 70MHz Input (1V Range) 90 dB 70MHz Input (2V Range) 90 dB 140MHz Input (1V Range) 90 dB 140MHz Input (2V Range) 90 dB 250MHz Input (1V Range) 90 dB 250MHz Input (2V Range) 90 dB S/(N+D) Signal-to-Noise Plus 30MHz Input (1V Range) 62.8 dB Distortion Ratio 30MHz Input (2V Range) ● 66 67.4 dB 70MHz Input (1V Range) 62.8 dB 70MHz Input (2V Range) 67.2 dB IMD Intermodulation Distortion fIN1 = 138MHz, fIN2 = 140MHz 81 dBc 2224fa 3