Datasheet LTC2215, LTC2215 (Analog Devices) - 3

LTC2216/LTC2215
The CONVERTER CHARACTERISTICS
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Integral Linearity Error Differential Analog Input (Note 5) l ±1.2 ±3.5 LSB Differential Linearity Error Differential Analog Input l 0.16/–0.2 ±1 LSB Offset Error (Note 6) l ±1.5 ±8 mV Offset Drift ±4 μV/°C Gain Error External Reference l ±0.3 ±1 %FS Full-Scale Drift Internal Reference –65 ppm/°C External Reference ±12 ppm/°C Transition Noise External Reference 2 LSBRMS
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 2.75 VP-P VIN, CM Analog Input Common Mode Differential Input (Note 7) l 1.2 1.575 1.8 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 ILVDS LVDS Pin Pull-Down Current to GND 10 μA CIN Analog Input Capacitance Sample Mode ENC+ < ENC– 9.1 pF Hold Mode ENC+ > ENC– 1.8 pF tAP Sample-and-Hold 0.35 ns Acquisition Delay Time tJITTER Sample-and-Hold 85 fs RMS Aperture Jitter CMRR Analog Input 1.2V < (A + – IN = AIN ) <1.8V 80 dB Common Mode Rejection Ratio BW-3dB Full Power Bandwidth RS < 25Ω 400 MHz 22165f 3