Datasheet LTC1749 (Analog Devices) - 3

LTC1749
U W DY A IC ACCURACY TA = 25
°
C, AIN = –1dBFS (Note 5), VSENSE = VDD SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input Signal (PGA = 0) 71.8 dB 5MHz Input Signal (PGA = 1) 70.2 dB 30MHz Input Signal (PGA = 0) 70.5 71.7 dB 30MHz Input Signal (PGA = 1) 70.2 dB 70MHz Input Signal (PGA = 0) 71.4 dB 70MHz Input Signal (PGA = 1) 68.8 70.1 dB 140MHz Input Signal (PGA = 1) 69.8 dB 250MHz Input Signal (PGA = 1) 69.3 dB 350MHz Input Signal (PGA = 1) 67.4 dB SFDR Spurious Free Dynamic Range 5MHz Input Signal (PGA = 0) 87 dB 5MHz Input Signal (PGA = 1) 87 dB 30MHz Input Signal (PGA = 0) (HD2 and HD3) 76 87 dB 30MHz Input Signal (PGA = 0) (Other) 83 90 dB 70MHz Input Signal (PGA = 0) 85 dB 70MHz Input Signal (PGA = 1) (HD2 and HD3) 76 87 dB 70MHz Input Signal (PGA = 1) (Other) 83 90 dB 140MHz Input Signal (PGA = 1) 84 dB 250MHz Input Signal (PGA = 1) 80 dB 350MHz Input Signal (PGA = 1) 74 dB S/(N + D) Signal-to-(Noise + Distortion) Ratio 5MHz Input Signal (PGA = 0) 71.7 dB 5MHz Input Signal (PGA = 1) 70.1 dB 30MHz Input Signal (PGA = 0) 71.6 dB 30MHz Input Signal (PGA = 1) 70.0 dB 70MHz Input Signal (PGA = 0) 71.2 dB 70MHz Input Signal (PGA = 1) 69.9 dB 250MHz Input Signal (PGA = 1) 68.6 dB THD Total Harmonic Distortion 5MHz Input Signal, First 5 Harmonics (PGA = 0) –87 dB 5MHz Input Signal, First 5 Harmonics (PGA = 1) –87 dB 30MHz Input Signal, First 5 Harmonics (PGA = 0) –87 dB 30MHz Input Signal, First 5 Harmonics (PGA = 1) –87 dB 70MHz Input Signal, First 5 Harmonics (PGA = 0) –85 dB 70MHz Input Signal, First 5 Harmonics (PGA = 1) –87 dB 250MHz Input Signal (PGA = 1) 78 dB IMD Intermodulation Distortion fIN1 = 2.52MHz, fIN2 = 5.2MHz (PGA = 0) –87 dBc fIN1 = 2.52MHz, fIN2 = 5.2MHz (PGA = 1) –87 dBc Sample-and-Hold Bandwidth RSOURCE = 50Ω 500 MHz
U U U I TER AL REFERE CE CHARACTERISTICS (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS
VCM Output Voltage IOUT = 0 1.95 2 2.05 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 1749f 3