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LTC1272-8ACSW Datasheet(PDF) 3 Page - Linear Technology |
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LTC1272-8ACSW Datasheet(HTML) 3 Page - Linear Technology |
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3 / 20 page  3 LTC1272 1272fb LTC1272-XA LTC1272-XC PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS VREF Output Voltage (Note 6) IOUT = 0 2.400 2.420 2.440 2.400 2.420 2.440 V VREF Output Tempco IOUT = 0 ● 5 25 10 45 ppm/ °C VREF Line Regulation 4.75V ≤ VDD ≤ 5.25V, IOUT = 0 0.01 0.01 LSB/V VREF Load Regulation (Sourcing Current) 0 ≤ ⎢IOUT ⎢ ≤ 1mA 2 2 LSB/mA LTC1272-XA/C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage CS, RD, HBEN, CLK IN VDD = 5.25V ● 2.4 V VIL Low Level Input Voltage CS, RD, HBEN, CLK IN VDD = 4.75V ● 0.8 V IIN Input Current CS, RD, HBEN VIN = 0V to VDD ● ±10 µA Input Current CLK IN VIN = 0V to VDD ● ±20 µA VOH High Level Output Voltage All Logic Outputs VDD = 4.75V IOUT = – 10µA 4.7 V IOUT = – 200µA ● 4.0 V VOL Low Level Output Voltage All Logic Outputs VDD = 4.75V, IOUT = 1.6mA ● 0.4 V IOZ High-Z Output Leakage D11-D0/8 VOUT = 0V to VDD ● ±10 µA COZ High-Z Output Capacitance (Note 7) ● 15 pF ISOURCE Output Source Current VOUT = 0V – 10 mA ISINK Output Sink Current VOUT = VDD 10 mA IDD Positive Supply Current CS = RD = VDD, AIN = 5V ● 15 30 mA PD Power Dissipation 75 mW ACCURACY IC DY A LTC1272-XA/C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS S/(N + D) Signal-to-Noise Plus Distortion Ratio 10kHz Input Signal 72 dB THD Total Harmonic Distortion (Up to 5th Harmonic) 10kHz Input Signal – 82 dB Peak Harmonic or Spurious Noise 10kHz Input Signal – 82 dB PUT I A A LOG LTC1272-XA/B/C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Input Voltage Range 4.75V ≤ VDD ≤ 5.25V ● 05 V IIN Input Current ● 3.5 mA CIN Input Capacitance 50 pF tACQ Sample-and-Hold Acquisition Time ● 0.45 1 µs I TER AL REFERE CE CHARACTERISTICS DIGITAL AND DC ELECTRICAL CHARACTERISTICS (Note 4) fSAMPLE = 250kHz (LTC1272-3), 166kHz (LTC1272-5), 111kHz (LTC1272-8) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) |
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