Datasheet LTC2205, LTC2204 (Analog Devices) - 3

LTC2205/LTC2204
ANALOG INPUT The
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 l 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 ≤ A l IN , AIN ≤ VDD –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 CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 6.5 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 0.7 ns Aperture Delay Time tJITTER Sample-and-Hold 90 fsRMS Aperture Delay Time Jitter CMRR Analog Input 1V < (A + – IN = AIN ) <1.5V 60 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth 700 MHz
DYNAMIC ACCURACY The
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) LTC2204 LTC2205 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 5MHz Input (2.25V Range, PGA = 0) 79.1 79.0 dBFS 5MHz Input (1.5V Range, PGA = 1) 76.5 76.4 dBFS 15MHz Input (2.25V Range, PGA = 0) l 77.6 79.0 77.5 78.9 dBFS 15MHz Input (2.25V Range, PGA = 0) 78 79.0 77.9 78.9 dBFS 15MHz Input (1.5V Range, PGA = 1) 76.5 76.4 dBFS 70MHz Input (2.25V Range, PGA = 0) 78.5 78.4 dBFS 70MHz Input (1.5V Range, PGA = 1) l 74.6 76.3 74.6 76.2 dBFS 70MHz Input (1.5V Range, PGA = 1) 75 75 dBFS 140MHz Input (2.25V Range, PGA = 0) 77.4 77.3 dBFS 140MHz Input (1.5V Range, PGA = 1) 75.5 75.4 dBFS 170MHz Input (2.25V Range, PGA = 0) 76.5 76.5 dBFS 170MHz Input (1.5V Range, PGA = 1) 74.9 74.8 dBFS SFDR Spurious Free 5MHz Input (2.25V Range, PGA = 0) 100 100 dB Dynamic Range 5MHz Input (1.5V Range, PGA = 1) 100 100 dB 2nd or 3rd 15MHz Input (2.25V Range, PGA = 0) l 87 100 87 100 dB Harmonic 15MHz Input (2.25V Range, PGA = 0 88 100 88 100 dB 15MHz Input (1.5V Range, PGA = 1) 100 100 dB 70MHz Input (2.25V Range, PGA = 0) 92 92 dB 70MHz Input (1.5V Range, PGA = 1) l 84.5 94 84.5 94 dB 70MHz Input (1.5V Range, PGA = 1) 86 94 86 94 dB 140MHz Input (2.25V Range, PGA = 0) 89 89 dB 140MHz Input (1.5V Range, PGA = 1) 92 92 dB 170MHz Input (2.25V Range, PGA = 0) 82 82 dB 170MHz Input (1.5V Range, PGA = 1) 84 84 dB 22054fc 3