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LTC1863LIGNPBF Scheda tecnica(PDF) 3 Page - Linear Dimensions Semiconductor |
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LTC1863LIGNPBF Scheda tecnica(HTML) 3 Page - Linear Dimensions Semiconductor |
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3 / 16 page  LTC1863L/LTC1867L 3 1863l7lfc CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 2.7V, external VREF = 1.25V (Notes 5, 6) PARAMETER CONDITIONS LTC1863L LTC1867L LTC1867LA UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX Gain Error Unipolar Bipolar ±6 ±6 ±96 ±96 ±64 ±64 LSB LSB Gain Error Match Unipolar Bipolar ±1 ±1 ±4 ±4 ±3 ±3 LSB LSB Gain Error Tempco Internal Reference External Reference ±20 ±3 ±20 ±3 ±20 ±3 ppm/°C ppm/°C Power Supply Sensitivity VDD = 2.7V – 3.6V ±1 ±3 ±3 LSB DYNAMIC ACCURACY V DD = 3V, external VREF = 1.25V (Note 5) SYMBOL PARAMETER CONDITIONS LTC1863L LTC1867L/LTC1867LA UNITS MIN TYP MAX MIN TYP MAX SNR Signal-to-Noise Ratio 1kHz Input Signal 73.1 83.7 dB S/(N+D) Signal-to-(Noise + Distortion) Ratio 1kHz Input Signal 73 83.1 dB THD Total Harmonic Distortion 1kHz Input Signal, Up to 5th Harmonic –91.8 – 92.3 dB Peak Harmonic or Spurious Noise 1kHz Input Signal –94.8 – 95.1 dB Channel-to-Channel Isolation 100kHz Input Signal –100 –112 dB Full Power Bandwidth –3dB Point 1.25 1.25 MHz ANALOG INPUT SYMBOL PARAMETER CONDITIONS LTC1863L/LTC1867L/LTC1867LA UNITS MIN TYP MAX Analog Input Range Unipolar Mode (Note 9) Bipolar Mode ● ● 0 to 2.5 ±1.25 V V CIN Analog Input Capacitance for CH0 to CH7/COM Between Conversions (Sample Mode) During Conversions (Hold Mode) 32 4 pF pF tACQ Sample-and-Hold Acquisition Time ● 2.01 1.68 μs Input Leakage Current On Channels, CHX = 0V or VDD ● ±1 μA The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) DIGITAL INPUTS AND DIGITAL OUTPUTS SYMBOL PARAMETER CONDITIONS LTC1863L/LTC1867L/LTC1867LA UNITS MIN TYP MAX VIH High Level Input Voltage VDD = 3.6V ● 1.9 V VIL Low Level Input Voltage VDD = 2.7V ● 0.45 V The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) INTERNAL REFERENCE CHARACTERISTICS PARAMETER CONDITIONS LTC1863L/LTC1867L/LTC1867LA UNITS MIN TYP MAX VREF Output Voltage IOUT = 0 1.235 1.25 1.265 V VREF Output Tempco IOUT = 0 ±20 ppm/°C VREF Line Regulation 2.7V ≤ VDD ≤ 3.6V 0.3 mV/V VREF Output Resistance ⏐IOUT ⏐ ≤0.1mA 3 kΩ REFCOMP Output Voltage IOUT = 0 2.5 V (Note 5) |
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