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AD5274BRMZ-20-RL7 데이터시트(PDF) 5 Page - Analog Devices |
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AD5274BRMZ-20-RL7 데이터시트(HTML) 5 Page - Analog Devices |
5 / 28 page Data Sheet AD5272/AD5274 Rev. D | Page 5 of 28 ELECTRICAL CHARACTERISTICS—AD5274 VDD = 2.7 V to 5.5 V, VSS = 0 V; VDD = 2.5 V to 2.75 V, VSS = −2.5 V to −2.75 V; −40°C < TA < +125°C, unless otherwise noted. Table 4. Parameter Symbol Test Conditions/Comments Min Typ1 Max Unit DC CHARACTERISTICS— RHEOSTAT MODE Resolution 8 Bits Resistor Integral Nonlinearity2, 3 R-INL −1 +1 LSB Resistor Differential Nonlinearity2 R-DNL −1 +1 LSB Nominal Resistor Tolerance R-Perf Mode4 See Table 5 and Table 6 −1 ±0.5 +1 % Normal Mode ±15 % Resistance Temperature Coefficient5, 6 Code = full scale 5 ppm/°C Wiper Resistance Code = zero scale 35 70 Ω RESISTOR TERMINALS Terminal Voltage Range5, 7 VSS VDD V Capacitance5 A f = 1 MHz, measured to GND, code = half scale 90 pF Capacitance5 W f = 1 MHz, measured to GND, code = half scale 40 pF Common-Mode Leakage Current5 VA = VW 50 nA DIGITAL INPUTS Input Logic5 High VINH 2.0 V Low VINL 0.8 V Input Current IIN ±1 µA Input Capacitance5 CIN 5 pF DIGITAL OUTPUT Output Voltage5 High VOH RPULL_UP = 2.2 kΩ to VDD VDD − 0.1 V Low VOL RPULL_UP = 2.2 kΩ to VDD VDD = 2.7 V to 5.5 V, VSS = 0 V 0.4 V VDD = 2.5 V to 2.75 V, VSS = −2.5 V to −2.75 V 0.6 V Tristate Leakage Current −1 +1 µA Output Capacitance5 5 pF POWER SUPPLIES Single-Supply Power Range VSS = 0 V 2.7 5.5 V Dual-Supply Power Range ±2.5 ±2.75 V Supply Current Positive IDD 1 µA Negative ISS −1 µA OTP Store Current5, 8 Positive IDD_OTP_STORE 4 mA Negative ISS_OTP_STORE −4 mA OTP Read Current5, 9 Positive IDD_OTP_READ 500 µA Negative ISS_OTP_READ −500 µA Power Dissipation10 VIH = VDD or VIL = GND 5.5 µW Power Supply Rejection Ratio5 PSRR ΔVDD/ΔVSS = ±5 V ± 10% dB RAW = 20 kΩ −66 −55 RAW = 50 kΩ −75 −67 RAW = 100 kΩ −78 −70 |
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