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AD5382BSTZ-5 데이터시트(PDF) 6 Page - Analog Devices |
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AD5382BSTZ-5 데이터시트(HTML) 6 Page - Analog Devices |
6 / 40 page AD5381 Data Sheet Rev. D | Page 6 of 40 AD5381-3 SPECIFICATIONS AVDD = 2.7 V to 3.6 V; DVDD = 2.7 V to 5.5 V, AGND = DGND = 0 V; external REFIN = 1.25 V; all specifications T MIN to TMAX, unless otherwise noted. Table 3. Parameter AD5381-31 Unit Test Conditions/Comments ACCURACY Output unloaded Resolution 12 Bits Relative Accuracy2 (INL) ±1 LSB max Differential Nonlinearity (DNL) ±1 LSB max Guaranteed monotonic over temperature Zero-Scale Error 4 mV max Offset Error ±4 mV max Measured at Code 16 in the linear region Offset Error TC ±5 µV/°C typ Gain Error ±0.05 % FSR max At 25 °C ±0.1 % FSR max TMIN to TMAX Gain Temperature Coefficient 3 2 ppm FSR/°C typ DC Crosstalk3 1 LSB max REFERENCE INPUT/OUTPUT Reference Input3 Reference Input Voltage 1.25 V ±1% for specified performance DC Input Impedance 1 MΩ min Typically 100 MΩ Input Current ±10 µA max Typically ±30 nA Reference Range 1 to AVDD/2 V min/max Reference Output 4 Enabled via CR8 in the AD5381 control register CR10 selects the reference voltage. Output Voltage 1.245/1.255 V min/max At ambient; optimized for 1.25 V operation; CR10 = 0 2.47/2.53 V min/max CR10 = 1 Reference TC ±10 ppm/°C max Temperature Range: +25°C to +85°C ±15 ppm/°C max Temperature Range: –40°C to +85°C Output Impedance 800 Ω typ OUTPUT CHARACTERISTICS3 Output Voltage Range2 0/AVDD V min/max Short-Circuit Current 40 mA max Load Current ±1 mA max Capacitive Load Stability RL = ∞ 200 pF max RL = 5 kΩ 1000 pF max DC Output Impedance 0.6 Ω max MONITOR PIN Output Impedance 1 kΩ typ Three-State Leakage Current 100 nA typ LOGIC INPUTS (EXCEPT SDA/SCL)3 DVDD = 2.7 V to 3.6 V VIH, Input High Voltage 2 V min VIL, Input Low Voltage DVDD > 3.6 0.8 V max DVDD ≤ 3.6 0.6 V max Input Current ±1 µA max Total for all pins; TA = TMIN to TMAX Pin Capacitance 10 pF max LOGIC INPUTS (SDA, SCL ONLY)3 VIH, Input High Voltage 0.7 × DVDD V min SMBus compatible at DVDD < 3.6 V VIL, Input Low Voltage 0.3 × DVDD V max SMBus compatible at DVDD < 3.6 V IIN, Input Leakage Current ±1 µA max VHYST, Input Hysteresis 0.05 × DVDD V min CIN, Input Capacitance 8 pF typ Glitch Rejection 50 ns max Input filtering suppresses noise spikes of less than 50 ns |
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