Datasheet LTC1745 (Analog Devices) - 3

LTC1745
U W DY A IC ACCURACY The
●
indicates 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 5MHz Input Signal (2V Range) 71 dBFS 5MHz Input Signal (3.2V Range) ● 71 72.5 dBFS 30MHz Input Signal (2V Range) 71 dBFS 30MHz Input Signal (3.2V Range) 72 dBFS 70MHz Input Signal (2V Range) 70 dBFS 70MHz Input Signal (3.2V Range) 71.5 dBFS SFDR Spurious Free Dynamic Range 5MHz Input Signal (2V Range) 96 dB 5MHz Input Signal (3.2V Range) ● 78 91 dB 30MHz Input Signal (2V Range) 93.5 dB 30MHz Input Signal (3.2V Range) 87 dB 70MHz Input Signal (2V Range) 79 dB 70MHz Input Signal (3.2V Range) 70.5 dB S/(N + D) Signal-to-(Noise + Distortion) Ratio 5MHz Input Signal (2V Range) 71 dBFS 5MHz Input Signal (3.2V Range) ● 71 72.5 dBFS 30MHz Input Signal (2V Range) 71 dBFS 30MHz Input Signal (3.2V Range) 72 dBFS 70MHz Input Signal (2V Range) 69.5 dBFS 70MHz Input Signal (3.2V Range) 68.5 dBFS THD Total Harmonic Distortion 5MHz Input Signal, First 5 Harmonics (2V Range) – 92 dB 5MHz Input Signal, First 5 Harmonics (3.2V Range) – 90 dB 30MHz Input Signal, First 5 Harmonics (2V Range) – 91.5 dB 30MHz Input Signal, First 5 Harmonics (3.2V Range) – 86.5 dB 70MHz Input Signal, First 5 Harmonics (2V Range) –77.5 dB 70MHz Input Signal, First 5 Harmonics (3.2V Range) –70 dB IMD Intermodulation Distortion fIN1 = 4MHz, fIN2 = 5.1MHz (2V Range) 85 dBc fIN1 = 4MHz, fIN2 = 5.1MHz (3.2V Range) 84 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 2.29 2.35 2.41 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 1745f 3