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AD7233AN bảng dữ liệu(PDF) 3 Page - Analog Devices |
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AD7233AN bảng dữ liệu(HTML) 3 Page - Analog Devices |
3 / 8 page AD7233 REV. B –3– ABSOLUTE MAXIMUM RATINGS 1 (TA = 25 °C unless otherwise noted) VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +17 V VSS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –17 V VOUT 2 to GND . . . . . . . . . . . . . . . . . . . . –6 V to V DD +0.3 V Digital Inputs to GND . . . . . . . . . . . . –0.3 V to VDD +0.3 V Operating Temperature Range Industrial (A, B Versions) . . . . . . . . . . . . . –40 °C to +85°C Storage Temperature Range . . . . . . . . . . . –65 °C to +150°C Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . . 300 °C Power Dissipation to 75 °C . . . . . . . . . . . . . . . . . . . . 450 mW Derates above 75 °C by . . . . . . . . . . . . . . . . . . . . . 10 mW/°C ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >4000 V NOTES 1Stresses above those listed under Absolute Maximum Ratings may cause perma- nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating condi- tions for extended periods may affect device reliability. 2The output may be shorted to voltages in this range provided the power dissipation of the package is not exceeded. Short circuit current is typically 80 mA. ORDERING GUIDE Temperature Relative Package Model Range Accuracy Option * AD7233AN –40 °C to +85°C ±1 LSB N-8 AD7233BN –40 °C to +85°C ±1/2 LSB N-8 *N = Plastic DIP. TERMINOLOGY RELATIVE ACCURACY (LINEARITY) Relative accuracy, or endpoint linearity, is a measure of the maximum deviation of the DAC transfer function from a straight line passing through the endpoints of the transfer function. It is measured after allowing for zero and full-scale errors and is expressed in LSBs or as a percentage of full-scale reading. DIFFERENTIAL NONLINEARITY Differential nonlinearity is the difference between the measured change and the ideal 1 LSB change between any two adjacent codes. A specified differential nonlinearity of ±1 LSB or less over the operating temperature range ensures monotonicity. BIPOLAR ZERO ERROR Bipolar zero error is the voltage measured at VOUT when the DAC is loaded with all 0s. It is due to a combination of offset errors in the DAC, amplifier and mismatch between the internal gain resistors around the amplifier. FULL-SCALE ERROR Full-scale error is a measure of the output error when the amplifier output is at full scale (full scale is either positive or negative full scale). DIGITAL-TO-ANALOG GLITCH IMPULSE This is the voltage spike that appears at the output of the DAC when the digital code in the DAC latch changes before the out- put settles to its final value. The energy in the glitch is specified in nV secs, and is measured for an all codes change (0000 0000 0000 to 1111 1111 1111). DIGITAL FEEDTHROUGH This is a measure of the voltage spike that appears on VOUT as a result of feedthrough from the digital inputs on the AD7233. It is measured with LDAC held high. |
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