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AD5341 Scheda tecnica(PDF) 2 Page - Analog Devices |
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AD5341 Scheda tecnica(HTML) 2 Page - Analog Devices |
2 / 20 page REV. 0 –2– AD5330/AD5331/AD5340/AD5341–SPECIFICATIONS (VDD = 2.5 V to 5.5 V, VREF = 2 V. RL = 2 k to GND; CL = 200 pF to GND; all specifications TMIN to TMAX unless otherwise noted.) B Version 2 Parameter 1 Min Typ Max Unit Conditions/Comments DC PERFORMANCE 3, 4 AD5330 Resolution 8 Bits Relative Accuracy ±0.15 ±1 LSB Differential Nonlinearity ±0.02 ±0.25 LSB Guaranteed Monotonic By Design Over All Codes AD5331 Resolution 10 Bits Relative Accuracy ±0.5 ±4 LSB Differential Nonlinearity ±0.05 ±0.5 LSB Guaranteed Monotonic By Design Over All Codes AD5340/AD5341 Resolution 12 Bits Relative Accuracy ±2 ±16 LSB Differential Nonlinearity ±0.2 ±1 LSB Guaranteed Monotonic By Design Over All Codes Offset Error ±0.4 ±3 % of FSR Gain Error ±0.15 ±1 % of FSR Lower Deadband 5 10 60 mV Lower Deadband Exists Only if Offset Error Is Negative Upper Deadband 10 60 mV VDD = 5 V. Upper Deadband Exists Only if VREF = VDD Offset Error Drift6 –12 ppm of FSR/ °C Gain Error Drift 6 –5 ppm of FSR/ °C DC Power Supply Rejection Ratio 6 –60 dB ∆VDD = ±10% DAC REFERENCE INPUT 6 VREF Input Range 1 VDD V Buffered Reference (AD5330, AD5340, and AD5341) 0.25 VDD V Unbuffered Reference VREF Input Impedance >10 M Ω Buffered Reference (AD5330, AD5340, and AD5341) 180 k Ω Unbuffered Reference. Gain = 1, Input Impedance = RDAC 90 k Ω Unbuffered Reference. Gain = 2, Input Impedance = RDAC Reference Feedthrough –90 dB Frequency = 10 kHz OUTPUT CHARACTERISTICS 6 Minimum Output Voltage 4, 7 0.001 V min Rail-to-Rail Operation Maximum Output Voltage 4, 7 VDD–0.001 V max DC Output Impedance 0.5 Ω Short Circuit Current 25 mA VDD = 5 V 15 mA VDD = 3 V Power-Up Time 2.5 µs Coming Out of Power-Down Mode. VDD = 5 V 5 µs Coming Out of Power-Down Mode. VDD = 3 V LOGIC INPUTS 6 Input Current ±1 µA VIL, Input Low Voltage 0.8 V VDD = 5 V ± 10% 0.6 V VDD = 3 V ± 10% 0.5 V VDD = 2.5 V VIH, Input High Voltage 2.4 V VDD = 5 V ± 10% 2.1 V VDD = 3 V ± 10% 2.0 V VDD = 2.5 V Pin Capacitance 3 pF POWER REQUIREMENTS VDD 2.5 5.5 V IDD (Normal Mode) DACs active and excluding load currents. Unbuffered VDD = 4.5 V to 5.5 V 140 250 µA Reference. VIH = VDD, VIL = GND. VDD = 2.5 V to 3.6 V 115 200 µAIDD increases by 50 µA at VREF > VDD – 100 mV. In Buffered Mode extra current is (5 + VREF/RDAC) µA, where RDAC is the resistance of the resistor string. IDD (Power-Down Mode) VDD = 4.5 V to 5.5 V 0.2 1 µA VDD = 2.5 V to 3.6 V 0.08 1 µA NOTES 1See Terminology section. 2Temperature range: B Version: –40 °C to +105°C; typical specifications are at 25°C. 3Linearity is tested using a reduced code range: AD5330 (Code 8 to 255); AD5331 (Code 28 to 1023); AD5340/AD5341 (Code 115 to 4095). 4DC specifications tested with output unloaded. 5This corresponds to x codes. x = Deadband voltage/LSB size. 6Guaranteed by design and characterization, not production tested. 7In order for the amplifier output to reach its minimum voltage, Offset Error must be negative. In order for the amplifier output to reach its maximum voltage, V REF = VDD and “Offset plus Gain” Error must be positive. Specifications subject to change without notice. |
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