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LTC2453ITS8-TRPBF Datasheet(PDF) 4 Page - Linear Technology |
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LTC2453ITS8-TRPBF Datasheet(HTML) 4 Page - Linear Technology |
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4 / 18 page  LTC2453 4 2453fb TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity, VCC = 5V Integral Nonlinearity, VCC = 3V Maximum INL vs Temperature The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 2, 7) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tCONV Conversion Time l 13 16.6 23 ms fSCL SCL Clock Frequency l 0 400 kHz tHD(SDA) Hold Time (Repeated) START Condition l 0.6 μs tLOW LOW Period of the SCL Pin l 1.3 μs tHIGH HIGH Period of the SCL Pin l 0.6 μs tSU(STA) Set-Up Time for a Repeated START Condition l 0.6 μs tHD(DAT) Data Hold Time l 0 0.9 μs tSU(DAT) Data Set-Up Time l 100 ns tr Rise Time for SDA, SCL Signals (Note 6) l 20 + 0.1CB 300 ns tf Fall Time for SDA, SCL Signals (Note 6) l 20 + 0.1CB 300 ns tSU(STO) Set-Up Time for STOP Condition l 0.6 μs tBUF Bus Free Time Between a Stop and Start Condition l 1.3 μs tOF Output Fall Time VIHMIN to VILMAX Bus Load CB 10pF to 400pF (Note 6) l 20 + 0.1CB 250 ns tSP Input Spike Suppression l 50 ns I2C TIMING 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. VREF = VREF+ – VREF–, VREFCM = (VREF+ + VREF–)/2, FS = VREF+ – 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. Input sampling current is the average input current drawn from the input sampling network while the LTC2453 is converting. Note 6. CB = capacitance of one bus line in pF. Note 7. All values refer to VIH(MIN) and VIL(MAX) levels. Note 8. A positive current is flowing into the DUT pin. DIFFERENTIAL INPUT VOLTAGE (V) –5 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 3 2453 G01 –3 –1 1 5 2 –4 –2 0 4 VCC = 5V VREF + = 5V VREF – = 0V TA = –45°C, 25°C, 90°C DIFFERENTIAL INPUT VOLTAGE (V) –3 –0.5 0 0.5 0 2 2453 G02 –1.0 –1.5 –2.0 –2 –1 1 1.0 1.5 2.0 3 VCC = 3V VREF + = 3V VREF – = 0V TA = –45°C, 25°C, 90°C TEMPERATURE (°C) –50 0 0.5 1.0 1.5 2.0 –25 0 25 50 2453 G03 75 100 VCC = VREF + = 5V, 4.1V, 3V (TA = 25°C, unless otherwise noted) |
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