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AD7302BRU Datasheet(PDF) 2 Page - Analog Devices |
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AD7302BRU Datasheet(HTML) 2 Page - Analog Devices |
2 / 16 page –2– REV. 0 AD7302–SPECIFICATIONS (VDD = +2.7 V to +5.5 V, Internal Reference; CL = 100 pF, RL = 10 k to VDD and GND; to TMAX unless otherwise noted) Parameter B Versions1 Units Conditions/Comments STATIC PERFORMANCE Resolution 8 Bits Relative Accuracy ±1 LSB max Note 2 Differential Nonlinearity ±1 LSB max Guaranteed Monotonic Full-Scale Error –0.75 LSB typ Zero Code Error @ 25 °C 3 LSB typ All Zeroes Loaded to DAC Register Gain Error3 ±1 % FSR typ Zero Code Temperature Coefficient 100 µV/°C typ DAC REFERENCE INPUT REFIN Input Range 1.0 to VDD/2 V min to max REFIN Input Impedance 10 M Ω typ OUTPUT CHARACTERISTICS Output Voltage Range 0 to VDD V min to max Output Voltage Settling Time 2 µs max Typically 1.2 µs Slew Rate 7.5 V/ µs typ Digital to Analog Glitch Impulse 1 nV-s typ 1 LSB Change Around Major Carry Digital Feedthrough 0.2 nV-s typ Digital Crosstalk 0.2 nV-s typ Analog Crosstalk ±0.2 LSB typ DC Output Impedance 40 Ω typ Short Circuit Current 14 mA typ Power Supply Rejection Ratio 4 0.0003 %/% max ∆V DD = ±10% LOGIC INPUTS Input Current ±10 µA max VINL, Input Low Voltage 0.8 V max VDD = +5 V VINL, Input Low Voltage 0.6 V max VDD = +3 V VINH, Input High Voltage 2.4 V min VDD = +5 V VINH, Input High Voltage 2.1 V min VDD = +3 V Pin Capacitance 7 pF max POWER REQUIREMENTS VDD 2.7/5.5 V min/max IDD Both DACs Active and Excluding Load Currents VDD = 3.3 V VIH = VDD and VIL = GND @ 25 °C 2.8 mA max Typically 2.3 mA @ TMIN to TMAX 3 mA max See Figures 6 and 7 VDD = 5.5 V VIH = VDD and VIL = GND @ 25 °C 4.5 mA max Typically 2.8 mA @ TMIN to TMAX 5 mA max See Figures 6 and 7 IDD (Full Power-Down) @ 25 °C1 µA max VIH = VDD and VIL = GND TMIN to TMAX 2 µA max See Figure 18 NOTES 1Temperature ranges are as follows: B Version: –40 °C to +105°C. 2Relative Accuracy is calculated using a reduced code range of 15 to 245. 3Gain error is specified between Codes 15 and 245. The actual error at Code 15 is typically 3 LSB. 4Guaranteed by characterization at product release, not production tested. Specifications subject to change without notice. |
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