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LTC1277 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1277 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 20 page  3 LTC1274/LTC1277 (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Input Range (Note 10) 4.75V ≤ VDD ≤ 5.25V (Unipolar) q 0 to 4.096 V 4.75V ≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ –2.45V (Bipolar) q ±2.048 V IIN Analog Input Leakage Current CS = High q ±1 µA CIN Analog Input Capacitance Between Conversions (Sample Mode) 45 pF During Conversions (Hold Mode) 5 pF PUT I A A LOG ACCURACY IC DY A (Notes 5, 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS S/(N + D) Signal-to-Noise 50kHz Input Signal 73 dB Plus Distortion Ratio 100kHz Input Signal q 70 72.5 dB THD Total Harmonic Distortion 50kHz Input Signal – 84 dB Up to 5th Harmonic 100kHz Input Signal q – 82 – 76 dB Peak Harmonic or 50kHz Input Signal – 84 dB Spurious Noise 100kHz Input Signal q – 82 – 76 dB IMD Intermodulation Distortion fa = 96.95kHz, fb = 97.68kHz 2nd Order Terms – 78 dB 3rd Order Terms – 81 dB Full Power Bandwidth 2 MHz Full Linear Bandwidth 350 kHz [S/(N + D) ≥ 68dB] I TER AL REFERE CE CHARACTERISTICS (Note 5) PARAMETER CONDITIONS MIN TYP MAX UNITS VREF Output Voltage IOUT = 0 2.400 2.420 2.440 V VREF Output Tempco IOUT = 0 q ±10 ±45 ppm/ °C VREF Line Regulation 4.75V ≤ VDD ≤ 5.25V 0.01 LSB/V – 5.25V ≤ VSS ≤ –4.75V 0.01 LSB/V VREF Load Regulation – 5mA ≤ IOUT ≤ 70µA 2 LSB/mA (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage VDD = 5.25V q 2.4 V VIL Low Level Input Voltage VDD = 4.75V q 0.8 V IIN Digital Input Current VIN = 0V to VDD q ±10 µA CIN Digital Input Capacitance 5pF VOH High Level Output Voltage, All Logic Outputs VDD = 4.75V IO = – 10µA 4.70 V IO = – 200µA q 4.0 V VLOGIC = 2.7V (LTC1277) IO = – 10µA 2.65 V IO = – 200µA 2.60 V VOL Low Level Output Voltage, VDD = 4.75V All Logic Outputs IO = 160µA 0.05 V IO = 1.6mA q 0.10 0.4 V VLOGIC =2.7V (LTC1277) IO = 160µA 0.05 V IO = 1.6mA 0.10 V DIGITAL I PUTS A D DIGITAL OUTPUTS |
Similar Part No. - LTC1277 |
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Similar Description - LTC1277 |
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