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LTC2970CUFD-1-TRPBF Datasheet(PDF) 6 Page - Linear Technology |
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LTC2970CUFD-1-TRPBF Datasheet(HTML) 6 Page - Linear Technology |
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6 / 36 page  LTC2970/LTC2970-1 6 29701fc 29701 TD SDA SCL START CONDITION tBUF tr tSU;STO STOP CONDITION tHD;STA tSU;DAT tSU;STA REPEATED START CONDITION tHIGH tHD;DAT tSP tHD;STA tLOW tf tf START CONDITION tr The I2C Bus Specification Note 4: Integral nonlinearity (INL) is defined as the deviation of a code from a straight line passing through the actual endpoints (0V and 6V) of the transfer curve. The deviation is measured from the center of the quantization band. Note 5: Nonlinearity is defined from the first code that is greater than or equal to the maximum offset specification to code 255 (full-scale). Note 6: Maximum capacitive load, CB, for SCL and SDA is 400pF. Data and clock risetime (tr) and falltime (tf) are: (20 + 0.1 • CB)(ns) < tr < 300ns and (20 + 0.1 • CB)(ns) < tf < 300ns. CB = capacitance of one bus line in pF. SCL and SDA external pull-up voltage, VIO, is 3V < VIO < 5.5V. Note 7: This specification is guaranteed by design. 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 currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to ground unless otherwise specified. Note 3: TUE (%) is defined as: % (• / ) • Gain Error INL V LSB V V OS IN + + 500 100 μ SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tSETUP_TRACK Tracking IDAC Disconnect Delay LTC2970-1 Only: After the tracking algorithm asserts CPIO_CFG high, the LTC2970-1 will wait this amount of time before starting to decrement Chn_a_ delay_track[9:0]. Used while tracking power supplies off. 32 ms tDEC_TRACK Tracking IDAC Decrement Rate LTC2970-1 Only: The LTC2970-1 changes Chn_a_delay_track[9:0] at this rate. 88 μs/LSB The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. ELECTRICAL CHARACTERISTICS TIMING DIAGRAM |
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