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ISL267450IBZ 데이터시트(PDF) 6 Page - Intersil Corporation |
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ISL267450IBZ 데이터시트(HTML) 6 Page - Intersil Corporation |
6 / 19 page ISL267450 6 FN8341.0 August 10, 2012 ANALOG INPUT (Note 7) |AIN| Full-Scale Input Span 2 x VREF VIN+ - VIN– V VIN+, VIN– Absolute Input Voltage Range VCM = VREF V VIN+ VCM ± VREF/2 V VIN– VCM ± VREF/2 V ILEAK Input Leakage Current -1 1 µA CVIN Input Capacitance Track Mode 12 pF Hold Mode 6 pF REFERENCE INPUT VREF VREF Input Voltage Range VDD = 5V (±1% tolerance for specified performance) 2.5 V VDD = 3V (±1% tolerance for specified performance) 1.25 V ILEAK DC Leakage Current -1 1 μA CVREF VREF Input Capacitance 19 pF LOGIC INPUTS VIH Input High Voltage 2.4 V VIL Input Low Voltage 0.8 V ILEAK Input Leakage Current -1 1 µA CIN Input Capacitance 10 pF LOGIC OUTPUTS VOH Output High Voltage ISOURCE = 200µA VDD - 0.3 V VOL Output Low Voltage ISINK = 200µA 0.4 V ILEAK Floating-State Leakage Current -1 1 µA COUT Floating-State Output Capacitance 10 pF Output Coding Two’s Complement CONVERSION RATE tCONV Conversion Time 888ns with FSCLK = 18MHz 16 SCLK Cycles 1.07µs with FSCLK = 15MHz 16 SCLK Cycles tACQ Acquisition Time (Note 8) Sine Wave Input 200 ns Fmax Throughput Rate VDD = 5V 1 MSPS VDD = 3V 833 kSPS POWER REQUIREMENTS VDD Positive Supply Voltage Range 3.3V ± 10% 3.0 3.6 V 5V ± 5% 4.75 5.25 V Electrical Specifications VDD = +3.0V to +3.3V, FSCLK = 15MHz, FS = 833kSPS, VREF = 1.25V, FIN = 200kHz; VDD = +4.75V to +5.25V, FSCLK = 18MHz, FS =1MSPS, VREF = 2.5V, FIN = 300kHz; VCM = VREF, TA = TMIN to TMAX unless otherwise noted. Typical values are at TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN (Note 6) TYP MAX (Note 6) UNITS |
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