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LTC1867LIGN Datasheet(PDF) 3 Page - Linear Technology |
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LTC1867LIGN Datasheet(HTML) 3 Page - Linear Technology |
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3 / 16 page  LTC1863L/LTC1867L 3 1863L7Lf A ALOG I PUT I TER AL REFERE CE CHARACTERISTICS DIGITAL I PUTS A D DIGITAL OUTPUTS LTC1863L LTC1867L/LTC1867LA SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS THD Total Harmonic Distortion 1kHz Input Signal, Up to 5th Harmonic –92.3 – 91 dB Peak Harmonic or Spurious Noise 1kHz Input Signal –94.5 – 92.8 dB Channel-to-Channel Isolation 100kHz Input Signal –100 –112 dB Full Power Bandwidth –3dB Point 1.25 1.25 MHz The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Analog Input Range Unipolar Mode (Note 9) ● 0 to 2.5 V Bipolar Mode ● ±1.25 V CIN Analog Input Capacitance for CH0 to Between Conversions (Sample Mode) 32 pF CH7/COM During Conversions (Hold Mode) 4 pF tACQ Sample-and-Hold Acquisition Time ● 2.01 1.68 µs Input Leakage Current On Channels, CHX = 0V or VDD ● ±1 µA PARAMETER CONDITIONS MIN TYP MAX UNITS 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 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIH High Level Input Voltage VDD = 3.6V ● 1.9 V VIL Low Level Input Voltage VDD = 2.7V ● 0.45 V IIN Digital Input Current VIN = 0V to VDD ● ±10 µA CIN Digital Input Capacitance 2pF VOH High Level Output Voltage (SDO) VDD = 2.7V, IO = –10µA 2.68 V VDD = 2.7V, IO = –200µA ● 2.3 2.65 V VOL Low Level Output Voltage (SDO) VDD = 2.7V, IO = 160µA 0.05 V VDD = 2.7V, IO = 1.6mA ● 0.15 0.4 V ISOURCE Output Source Current SDO = 0V –9.7 mA ISINK Output Sink Current SDO = VDD 6mA Hi-Z Output Leakage CS/CONV = High, SDO = 0V or VDD ● ±10 µA Hi-Z Output Capacitance CS/CONV = High (Note 10) ● 15 pF Data Format Unipolar Straight Binary Bipolar Two’s Complement The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5) LTC1863L/LTC1867L/LTC1867LA LTC1863L/LTC1867L/LTC1867LA LTC1863L/LTC1867L/LTC1867LA VDD = 3V, external VREF = 1.25V (Note 5) DY A IC ACCURACY |
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