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LTC2755 Datasheet(PDF) 6 Page - Linear Technology |
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LTC2755 Datasheet(HTML) 6 Page - Linear Technology |
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6 / 24 page  LTC2755 6 2755f CODE 0 –1.0 –0.8 –0.4 –0.2 0.0 1.0 0.4 16384 32768 –0.6 0.6 0.8 0.2 49152 65535 2755 G01 VDD = 5V VREF = 5V ±10V RANGE CODE 0 –1.0 –0.8 –0.4 –0.2 0.0 1.0 0.4 16384 32768 –0.6 0.6 0.8 0.2 49152 65535 2755 G02 VDD = 5V VREF = 5V ±10V RANGE TEMPERATURE (°C) –40 –1.0 –0.8 –0.4 –0.2 0.0 1.0 0.4 –20 20 0 40 –0.6 0.6 0.8 0.2 60 80 2755 G04 VDD = 5V VREF = 5V ±10V RANGE +INL –INL INL vs Temperature Integral Nonlinearity (INL) Differential Nonlinearity (DNL) LTC2755-16 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VDD = 2.7V to 3.3V t22 READ Falling Edge to UPD Rising Edge (Note 11) ● 10 ns t23 I/O Bus Hi-Z to Read Rising Edge (Note 11) ● 0ns t24 Read Falling Edge to I/O Bus Active (Note 11) ● 35 ns CLR Timing t25 CLR Pulse Width Low ● 20 ns 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: Continuous operation above the specified maximum operating junction temperature may impair device reliability. Note 3: Because of the proprietary SoftSpan switching architecture, the measured resistance looking into each of the specified pins is constant for all output ranges if the IOUT1X and IOUT2X pins are held at ground. Note 4: R1 measured from RIN1 to RCOM1; R2 measured from REFA to RCOM1; R3 measured from RIN2 to RCOM2; R4 measured from REFC to RCOM2. Note 5: Using LT1469 with CFEEDBACK = 15pF. A ±0.0015% settling time of 1.7μs can be achieved by optimizing the time constant on an individual basis. See Application Note 74, Component and Measurement Advances Ensure 16-Bit DAC Settling Time. Note 6: Measured at the major carry transition, 0V to 5V range. Output amplifier: LT1469; CFB = 27pF. Note 7. Full-scale transition; REF = 0V. Note 8. Analog Crosstalk is defined as the AC voltage ratio VOUTB/VREFA, expressed in dB. REFB is grounded, and DAC B is set to 0V-5V span and zero-, mid- or full- scale code. VREFA is a 3VRMS, 1kHz sine wave. Crosstalk between other DAC channels is similar or better. Note 9. REF = 6VRMS at 1kHz. 0V to 5V range. DAC code = FS. Output amplifier = LT1469. Note 10. Calculation from Vn = √⎯4⎯k⎯T⎯R⎯⎯⎯B, where k = 1.38E-23 J/°K (Boltzmann constant), R = resistance (Ω), T = temperature (°K), and B = bandwidth (Hz). 0V to 5V Range; zero-, mid-, or full- scale. Note 11. Guaranteed by design, not subject to test. TIMING CHARACTERISTICS The ● denotes specifications that apply over the full operating temperature range, otherwise specifications are at TA = 25°C. TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. |
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Similar Description - LTC2755_15 |
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