Datasheet LTC1748 (Analog Devices) - 3

LTC1748
U W DY A IC ACCURACY TA = 25
°
C, AIN = –1dBFS (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input Signal (2V Range) 72.6 dB 5MHz Input Signal (3.2V Range) 75 76.3 dB 30MHz Input Signal (2V Range) 72.5 dB 30MHz Input Signal (3.2V Range) 74 76.1 dB 70MHz Input Signal (2V Range) 72.2 dB 70MHz Input Signal (3.2V Range) 75.4 dB 140MHz Input Signal (2V Range) 71.4 dB 250MHz Input Signal (2V Range) 68.9 dB SFDR Spurious Free Dynamic Range 5MHz Input Signal (2V Range) 90 dB 5MHz Input Signal (3.2V Range) (2nd and 3rd) 90 dB 5MHz Input Signal (3.2V Range) (Other) 94 dB 30MHz Input Signal (2V Range) 90 dB 30MHz Input Signal (3.2V Range) (2nd and 3rd) 80 88 dB 30MHz Input Signal (3.2V Range) (Other) 85 94 dB 70MHz Input Signal (2V Range) 85 dB 70MHz Input Signal (3.2V Range) (2nd and 3rd) 76 dB 70MHz Input Signal (3.2V Range) (Other) 94 dB 140MHz Input Signal (2VRange) (2nd and 3rd) 77 dB 140MHz Input Signal (2V Range) (Other) 93 dB 250MHz Input Signal (2V Range) (2nd and 3rd) 64 dB 250MHz Input Signal (2V Range) (Other) 89 dB S/(N + D) Signal-to-(Noise + Distortion) Ratio 5MHz Input Signal (2V Range) 72.4 dB 5MHz Input Signal (3.2V Range) 74.5 76.0 dB 30MHz Input Signal (2V Range) 72.3 dB 30MHz Input Signal (3.2V Range) 75.6 dB 70MHz Input Signal (2V Range) 71 dB 70MHz Input Signal (3.2V Range) 71 dB THD Total Harmonic Distortion 5MHz Input Signal, First 5 Harmonics (2V Range) –90 dB 5MHz Input Signal, First 5 Harmonics (3.2V Range) –90 dB 30MHz Input Signal, First 5 Harmonics (2V Range) –90 dB 30MHz Input Signal, First 5 Harmonics (3.2V Range) –85 dB 70MHz Input Signal, First 5 Harmonics (2V Range) –78 dB 70MHz Input Signal, First 5 Harmonics (3.2V Range) –74 dB IMD Intermodulation Distortion fIN1 = 2.52MHz, fIN2 = 5.2MHz (2V Range) 97 dBc fIN1 = 2.52MHz, fIN2 = 5.2MHz (3.2V Range) 93 dBc Sample-and-Hold Bandwidth RSOURCE = 50Ω 240 MHz
U U U I TER AL REFERE CE CHARACTERISTICS (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 2.30 2.35 2.40 V VCM Output Tempco IOUT = 0 ±30 ppm/°C VCM Line Regulation 4.75V ≤ VDD ≤ 5.25V 3 mV/V VCM Output Resistance 1mA ≤ IOUT ≤ 1mA 4 Ω 1748fa 3