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AD5291BRUZ-50-RL7 Scheda tecnica(PDF) 3 Page - Analog Devices |
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AD5291BRUZ-50-RL7 Scheda tecnica(HTML) 3 Page - Analog Devices |
3 / 32 page AD5291/AD5292 Rev. D | Page 3 of 32 SPECIFICATIONS ELECTRICAL CHARACTERISTICS—AD5291 VDD = 21 V to 33 V, VSS = 0 V; VDD = 10.5 V to 16.5 V, VSS = −10.5 V to −16.5 V; VLOGIC = 2.7 V to 5.5 V, VA = VDD, VB = VSS, −40°C < TA < +105°C, unless otherwise noted. Table 1. Parameter Symbol Conditions Min Typ1 Max Unit DC CHARACTERISTICS—RHEOSTAT MODE Resolution N 8 Bits Resistor Differential Nonlinearity2 R-DNL RWB, VA = NC −1 +1 LSB Resistor Integral Nonlinearity2 R-INL −1 +1 LSB Nominal Resistor Tolerance (R-Perf Mode)3 ∆RAB/RAB See Table 2, Table 3 −1 ±0.5 +1 % Nominal Resistor Tolerance (Normal Mode) ∆RAB/RAB ±7 % Resistance Temperature Coefficient4 (∆RAB/RAB)/∆T × 106 Code = full-scale; See Figure 38 35 ppm/°C Wiper Resistance RW Code= zero scale 60 100 Ω DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE Resolution N 8 Bits Differential Nonlinearity5 DNL −0.5 +0.5 LSB Integral Nonlinearity5 INL −0.5 +0.5 LSB Voltage Divider Temperature Coefficient4 (∆VW/VW)/∆T × 106 Code = half-scale; See Figure 41 1.5 ppm/°C Full-Scale Error VWFSE Code = full scale −2 +0.25 LSB Zero-Scale Error VWZSE Code = zero scale 0 2 LSB RESISTOR TERMINALS Terminal Voltage Range6 VA, VB, VW VSS VDD V Capacitance A, Capacitance B4 CA, CB f = 1 MHz, measured to GND, code = half-scale 85 pF Capacitance W4 CW f = 1 MHz, measured to GND, code = half-scale 65 pF Common-Mode Leakage Current4 ICM VA = VB = VW ±1 nA DIGITAL INPUTS JEDEC compliant Input Logic High4 VIH VLOGIC = 2.7 V to 5.5 V 2.0 V Input Logic Low4 VIL VLOGIC = 2.7 V to 5.5 V 0.8 V Input Current IIL VIN = 0 V or VLOGIC ±1 μA Input Capacitance4 CIL 5 pF DIGITAL OUTPUTS (SDO and RDY) Output High Voltage4 VOH RPULL_UP = 2.2 kΩ to VLOGIC VLOGIC − 0.4 V Output Low Voltage4 VOL RPULL_UP = 2.2 kΩ to VLOGIC GND + 0.4 V V Three-State Leakage Current −1 +1 μA Output Capacitance4 COL 5 pF POWER SUPPLIES Single-Supply Power Range VDD VSS = 0 V 9 33 V Dual-Supply Power Range VDD/VSS ±9 ±16.5 V Positive Supply Current IDD VDD/VSS = ±16.5 V 0.1 2 μA Negative Supply Current ISS VDD/VSS = ±16.5 V −2 −0.1 μA Logic Supply Range VLOGIC 2.7 5.5 V Logic Supply Current ILOGIC VLOGIC = 5 V; VIH = 5 V or VIL = GND 1 10 μA OTP Store Current4, 7 ILOGIC_PROG VIH = 5 V or VIL = GND 25 mA OTP Read Current4, 8 ILOGIC_FUSE_READ VIH = 5 V or VIL = GND 25 mA Power Dissipation9 PDISS VIH = 5 V or VIL = GND 8 110 μW Power Supply Rejection Ratio PSRR ∆VDD/∆VSS = ±15 V ± 10% %/% RAB = 20 kΩ 0.103 RAB = 50 kΩ 0.039 RAB = 100 kΩ 0.021 |
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