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AD5162BRMZ50 데이터시트(PDF) 4 Page - Analog Devices |
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AD5162BRMZ50 데이터시트(HTML) 4 Page - Analog Devices |
4 / 20 page AD5162 Rev. C | Page 4 of 20 ELECTRICAL CHARACTERISTICS: 10 kΩ, 50 kΩ, AND 100 kΩ VERSIONS VDD = 5 V ± 10%, or 3 V ± 10%; VA = VDD; VB = 0 V; −40°C < TA < 125°C; unless otherwise noted. Table 2. Parameter Symbol Conditions Min Typ1 Max Unit DC CHARACTERISTICS—RHEOSTAT MODE Resistor Differential Nonlinearity2 R-DNL R WB, VA = no connect −1 ±0.1 +1 LSB Resistor Integral Nonlinearity2 R-INL R WB, VA = no connect −2.5 ±0.25 +2.5 LSB Nominal Resistor Tolerance3 ∆R AB T A = 25°C −20 +20 % Resistance Temperature Coefficient (∆R AB/RAB )/∆T V AB = VDD, wiper = no connect 35 ppm/°C Wiper Resistance R WB Code = 0x00, V DD = 5 V 160 200 Ω DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE4 Differential Nonlinearity5 DNL −1 ±0.1 +1 LSB Integral Nonlinearity5 INL −1 ±0.3 +1 LSB Voltage Divider Temperature Coefficient (∆V W/VW)/∆T Code = 0x80 15 ppm/°C Full-Scale Error V WFSE Code = 0xFF −2.5 −1 0 LSB Zero-Scale Error V WZSE Code = 0x00 0 1 2.5 LSB RESISTOR TERMINALS Voltage Range6 V A, VB, VW GND V DD V Capacitance A, B7 C A, CB f = 1 MHz, measured to GND, code = 0x80 45 pF Capacitance W7 C W f = 1 MHz, measured to GND, code = 0x80 60 pF Common-Mode Leakage I CM V A = VB = VDD/2 1 nA DIGITAL INPUTS AND OUTPUTS Input Logic High V IH V DD = 5 V 2.4 V Input Logic Low V IL V DD = 5 V 0.8 V Input Logic High V IH V DD = 3 V 2.1 V Input Logic Low V IL V DD = 3 V 0.6 V Input Current I IL V IN = 0 V or 5 V ±1 µA Input Capacitance C IL 5 pF POWER SUPPLIES Power Supply Range V DD RANGE 2.7 5.5 V Supply Current I DD V IH = 5 V or VIL = 0 V 3.5 6 µA Power Dissipation P DISS V IH = 5 V or VIL = 0 V, VDD = 5 V 30 µW Power Supply Sensitivity PSS V DD = 5 V ± 10%, code = midscale ±0.02 ±0.08 %/% DYNAMIC CHARACTERISTICS Bandwidth, −3 dB BW R AB = 10 kΩ/50 kΩ/100 kΩ, code = 0x80 600/100/40 kHz Total Harmonic Distortion THD W V A = 1 V rms, VB = 0 V, f = 1 kHz, R AB = 10 kΩ 0.1 % V W Settling Time t S V A = 5 V, VB = 0 V, ±1 LSB error band 2 µs Resistor Noise Voltage Density e N_WB R WB = 5 kΩ, RS = 0 9 nV/√Hz 1 Typical specifications represent average readings at 25°C and V DD = 5 V. 2 Resistor position nonlinearity error, R-INL, is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper positions. R-DNL measures the relative step change from the ideal between successive tap positions. Parts are guaranteed monotonic. 3 V A = VDD, VB = 0 V, wiper (VW) = no connect. 4 Specifications apply to all VRs. 5 INL and DNL are measured at V W with the RDAC configured as a potentiometer divider similar to a voltage output DAC. VA = VDD and VB = 0 V. DNL specification limits of ±1 LSB maximum are guaranteed monotonic operating conditions. 6 Resistor Terminal A, Resistor Terminal B, and Resistor Terminal W have no limitations on polarity with respect to each other. 7 Guaranteed by design, but not subject to production test. |
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