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LTC2452CDDB-TRPBF Datasheet(PDF) 4 Page - Linear Technology |
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LTC2452CDDB-TRPBF Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page LTC2452 4 2452fb The l denotes the specifications which apply over the full operating temperature range,otherwise specifications are at TA = 25°C. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tCONV Conversion Time l 13 16.6 23 ms fSCK SCK Frequency Range l 2 MHz tlSCK SCK Low Period l 250 ns thSCK SCK High Period l 250 ns t1 CS Falling Edge to SDO Low Z (Notes 7, 8) l 0100 ns t2 CS Rising Edge to SDO High Z (Notes 7, 8) l 0100 ns t3 CS Falling Edge to SCK Falling Edge l 100 ns tKQ SCK Falling Edge to SDO Valid (Note 7) l 0100 ns TYPICAL PERFORMANCE CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2. All voltage values are with respect to GND. VCC = 2.7V to 5.5V unless otherwise specified. VREFCM = VREF/2, FS = VREF VIN = VIN+ – VIN–, –VREF ≤ VIN ≤ VREF; VINCM = (VIN+ + VIN–)/2. Note 3. Guaranteed by design, not subject to test. Note 4. Integral nonlinearity is defined as the deviation of a code from a straight line passing through the actual endpoints of the transfer curve. Guaranteed by design and test correlation. Note 5: CS = VCC. A positive current is flowing into the DUT pin. Note 6: SCK = VCC or GND. SDO is high impedance. Note 7: See Figure 4. Note 8: See Figure 5. Note 9: Input sampling current is the average input current drawn from the input sampling network while the LTC2452 is actively sampling the input. Note 10: A positive current is flowing into the DUT pin. TIMING CHARACTERISTICS Integral Nonlinearity, VCC = 5V Integral Nonlinearity, VCC = 3V Maximum INL vs Temperature (TA = 25°C, unless otherwise noted) DIFFERENTIAL INPUT VOLTAGE (V) –5 1 3 2452 G01 –1 0 2 –2 –3 –1 –2 –3 –4 1234 0 5 TA = –45°C, 25°C TA = 90°C DIFFERENTIAL INPUT VOLTAGE (V) –3 1 3 2452 G02 –1 0 2 –2 –3 –1 –2 12 0 3 TA = –45°C, 25°C, 90°C TEMPERATURE (°C) –50 1 3 2452 G03 –1 0 2 –2 –3 –25 25 50 75 0 100 VCC = VREF = 5V, 4.1V, 3V |
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