Datasheet LTC2208-14 (Analog Devices) - 3

LTC2208-14
The ANALOG INPUT
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V + – IN Analog Input Range (AIN – AIN ) 3.135V ≤ VDD ≤ 3.465V 1.5 to 2.25 VP-P VIN, CM Analog Input Common Mode Differential Input (Note 7) l 1 1.25 1.5 V I + – IN Analog Input Leakage Current 0V ≤ AIN , AIN ≤ VDD l –1 1 μA ISENSE SENSE Input Leakage Current 0V ≤ SENSE ≤ VDD l –3 3 μA IMODE MODE Pin Pull-Down Current to GND 10 μA ILVDS LVDS Pin Pull-Down Current to GND 10 μA CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 6.5 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 1 ns Acquisition Delay Time tJITTER Sample-and-Hold 70 fsRMS Acquisition Delay Time Jitter CMRR Analog Input 1V < (A + – IN = AIN ) <1.5V 80 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth RS ≤ 25Ω 700 MHz
The DYNAMIC ACCURACY
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. AIN = –1dBFS. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input (2.25V Range, PGA = 0) 77.1 dBFS 5MHz Input (1.5V Range, PGA = 1) 74.9 dBFS 30MHz Input (2.25V Range, PGA = 0), TA = 25ºC 75.7 77 dBFS 30MHz Input (2.25V Range, PGA = 0) l 75.4 77 dBFS 30MHz Input (1.5V Range, PGA = 1) 74.9 dBFS 70MHz Input (2.25V Range, PGA = 0) 76.9 dBFS 70MHz Input (1.5V Range, PGA = 1) 74.8 dBFS 140MHz Input (2.25V Range, PGA = 0) 76.4 dBFS 140MHz Input (1.5V Range, PGA = 1), TA = 25ºC 73.5 74.6 dBFS 140MHz Input (1.5V Range, PGA = 1) l 73.3 74.6 dBFS 250MHz Input (2.25V Range, PGA = 0) 75 dBFS 250MHz Input (1.5V Range, PGA = 1) 73.6 dBFS SFDR Spurious Free 5MHz Input (2.25V Range, PGA = 0) 98 dBc Dynamic Range 5MHz Input (1.5V Range, PGA = 1) 98 dBc 2nd or 3rd 30MHz Input (2.25V Range, PGA = 0) l 84 96 dBc Harmonic 30MHz Input (1.5V Range, PGA = 1) 98 dBc 70MHz Input (2.25V Range, PGA = 0) 90 dBc 70MHz Input (1.5V Range, PGA = 1) 93 dBc 140MHz Input (2.25V Range, PGA = 0) 85 dBc 140MHz Input (1.5V Range, PGA = 1) l 81.5 95 dBc 250MHz Input (2.25V Range, PGA = 0) 76 dBc 250MHz Input (1.5V Range, PGA = 1) 81 dBc 220814fb 3