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ADC0802LD 数据表(PDF) 4 Page - Intersil Corporation |
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ADC0802LD 数据表(HTML) 4 Page - Intersil Corporation |
4 / 16 page 6-8 CONVERTER SPECIFICATIONS V+ = 5V, -55oC to 125oC and fCLK = 640kHz, Unless Otherwise Specified Total Unadjusted Error ADC0802 VREF/2 = 2.500V - - ±1 LSB ADC0803 VREF/2 Adjusted for Correct Full Scale Reading -- ±1 LSB VREF/2 Input Resistance Input Resistance at Pin 9 1.0 1.3 - k Ω Analog Input Voltage Range (Note 2) GND-0.05 - (V+) + 0.05 V DC Common-Mode Rejection Over Analog Input Voltage Range - ±1/8 ±1/4 LSB Power Supply Sensitivity V+ = 5V ±10% Over Allowed Input Voltage Range - ±1/8 ±1/4 LSB AC TIMING SPECIFICATIONS V+ = 5V, and TA = 25 oC, Unless Otherwise Specified Clock Frequency, fCLK V+ = 6V (Note 3) 100 640 1280 kHz V+ = 5V 100 640 800 kHz Clock Periods per Conversion (Note 4), tCONV 62 - 73 Clocks/Conv Conversion Rate In Free-Running Mode, CR INTR tied to WR with CS = 0V, fCLK = 640kHz - - 8888 Conv/s Width of WR Input (Start Pulse Width), tW(WR)I CS = 0V (Note 5) 100 - - ns Access Time (Delay from Falling Edge of RD to Output Data Valid), tACC CL = 100pF (Use Bus Driver IC for Larger CL) - 135 200 ns Three-State Control (Delay from Rising Edge of RD to Hl-Z State), t1H, t0H CL = 10pF, RL= 10K (See Three-State Test Circuits) - 125 250 ns Delay from Falling Edge of WR to Reset of INTR, tWI, tRI - 300 450 ns Input Capacitance of Logic Control Inputs, CIN -5- pF Three-State Output Capacitance (Data Buffers), COUT -5- pF DC DIGITAL LEVELS AND DC SPECIFICATIONS V+ = 5V, and TMIN to TMAX, Unless Otherwise Specified CONTROL INPUTS (Note 6) Logic “1“ Input Voltage (Except Pin 4 CLK IN), VINH V+ = 5.25V 2.0 - V+ V Logic “0“ Input Voltage (Except Pin 4 CLK IN), VINL V+ = 4.75V - - 0.8 V CLK IN (Pin 4) Positive Going Threshold Voltage, V+CLK 2.7 3.1 3.5 V CLK IN (Pin 4) Negative Going Threshold Voltage, V-CLK 1.5 1.8 2.1 V CLK IN (Pin 4) Hysteresis, VH 0.6 1.3 2.0 V Logic “1” Input Current (All Inputs), IINHI VlN = 5V - 0.005 1 µΑ Logic “0” Input Current (All Inputs), IINLO VlN = 0V -1 -0.005 - µA Supply Current (Includes Ladder Current), I+ fCLK = 640kHz,TA = 25 oC and CS = Hl - 1.3 2.5 mA DATA OUTPUTS AND INTR Logic “0” Output Voltage, VOL lO = 1.6mA, V+ = 4.75V - - 0.4 V Electrical Specifications (Notes 1, 7) (Continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS ADC0802, ADC0803, ADC0804 |
类似零件编号 - ADC0802LD |
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类似说明 - ADC0802LD |
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