Datasheet LTC2414, LTC2418 (Analog Devices) - 3

LTC2414/LTC2418
e lecTrical characTerisTics The
l
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V ≤ VREF ≤ VCC, –0.5 • VREF ≤ VIN ≤ 0.5 • VREF (Note 5) l 24 Bits Integral Nonlinearity 4.5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6) 1 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V (Note 6) l 2 14 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V (Note 6) 5 ppm of VREF Offset Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 2.5 10 µV GND ≤ IN+ = IN– ≤ VCC (Note 14) Offset Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 20 nV/°C GND ≤ IN+ = IN– ≤ VCC Positive Full-Scale Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 2.5 12 ppm of VREF IN+ = 0.75 • REF+, IN– = 0.25 • REF+ Positive Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.03 ppm of VREF/°C IN+ = 0.75 • REF+, IN– = 0.25 • REF+ Negative Full-Scale Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 2.5 12 ppm of VREF IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Negative Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.03 ppm of VREF/°C IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Total Unadjusted Error 4.5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V 3 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V 3 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V 6 ppm of VREF Output Noise 5V ≤ VCC ≤ 5.5V, REF+ = 5V, VREF– = GND, 1 µVRMS GND ≤ IN– = IN+ ≤ 5V (Note 13)
conver Ter characTerisTics The
l
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Common Mode Rejection DC 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 130 140 dB GND ≤ IN– = IN+ ≤ 5V (Note 5) Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 140 dB 60Hz ±2% GND ≤ IN– = IN+ ≤ 5V (Notes 5, 7) Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF– = GND, l 140 dB 50Hz ±2% GND ≤ IN– = IN+ ≤ 5V (Notes 5, 8) Input Normal Mode Rejection (Notes 5, 7) l 110 140 dB 60Hz ±2% Input Normal Mode Rejection (Notes 5, 8) l 110 140 dB 50Hz ±2% Reference Common Mode 2.5V ≤ REF+ ≤ VCC, GND ≤ REF– ≤ 2.5V, l 130 140 dB Rejection DC VREF = 2.5V, IN– = IN+ = GND (Note 5) Power Supply Rejection, DC REF+ = 2.5V, REF– = GND, IN– = IN+ = GND 110 dB Power Supply Rejection, 60Hz ±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND (Note 7) 120 dB Power Supply Rejection, 50Hz ±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND (Note 8) 120 dB 241418fb For more information www.linear.com/LTC2414 3