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AD7303BRM Datasheet(PDF) 2 Page - Analog Devices |
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AD7303BRM Datasheet(HTML) 2 Page - Analog Devices |
2 / 16 page REV. 0 –2– AD7303–SPECIFICATIONS (VDD = +2.7 V to +5.5 V, Internal Reference; RL = 10 k to VDD and GND; CL = 100 pF to GND; all specifications TMIN to TMAX unless otherwise noted) Parameter B Versions 1 Units Conditions/Comments STATIC PERFORMANCE Resolution 8 Bits Relative Accuracy ±1 LSB max Note 2 Differential Nonlinearity ±1 LSB max Guaranteed Monotonic Zero-Code Error @ +25 °C 3 LSB max All Zeros Loaded to DAC Register Full-Scale Error –0.5 LSB typ All Ones Loaded to DAC Register Gain Error 3 +1 % FSR typ Zero-Code Temperature Coefficient 100 µV/°C typ DAC REFERENCE INPUT REFIN Input Range 1 to VDD/2 V min to max REFIN Input Impedance 10 ΜΩ typ Internal Voltage Reference Error 4 ±1 % max 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 0.5 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 0.0001 %/% max ∆ V DD = ± 10% LOGIC INPUTS Input Current ±10 µA max VINL, Input Low Voltage 0.8 V max VDD = +5 V 0.6 V max VDD = +3 V VINH, Input High Voltage 2.4 V min VDD = +5 V 2.1 V min VDD = +3 V Pin Capacitance 5 pF max POWER REQUIREMENTS VDD 2.7/5.5 V min/max IDD (Normal Mode) Both DACs Active and Excluding Load Currents, VDD = 3.3 V VIH = VDD, VIL = GND @ +25 °C 2.1 mA max See Figure 8 TMIN – TMAX 2.3 mA max VDD = 5.5 V @ +25 °C 2.7 mA max TMIN – TMAX 3.5 mA max IDD (Full Power-Down) @ +25 °C 80 nA typ VIH = VDD, VIL = GND TMIN – TMAX 1 µA max See Figure 19 NOTES 1Temperature ranges are as follows: B Version, –40 °C to +105°C. 2Relative Accuracy is calculated using a reduced digital 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. 4Internal Voltage Reference Error = (Actual V REF – Ideal VREF/Ideal VREF) • 100. Ideal VREF = VDD/2, actual VREF = voltage on reference pin when internal reference is selected. Specifications subject to change without notice. ORDERING GUIDE Temperature Package Model Range Options* AD7303BN –40 °C to +105°C N-8 AD7303BR –40 °C to +105°C SO-8 AD7303BRM –40 °C to +105°C RM-8 *N = Plastic DIP; R = SOIC; RM = microSOIC. |
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