Datasheet AD5232 (Analog Devices) - 3

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Data Sheet AD5232 SPECIFICATIONS ELECTRICAL CHARACTERISTICS—10 kΩ, 50 kΩ, 100 kΩ VERSIONS
VDD = 3 V ± 10% or 5 V ± 10% and VSS = 0 V, VA = +VDD, VB = 0 V, −40°C < TA < +85°C, unless otherwise noted.
Table 1. Parameter Symbol Conditions Min Typ1 Max Unit
DC CHARACTERISTICS, Specifications apply to all VRs RHEOSTAT MODE Resistor Differential Nonlinearity2 R-DNL RWB, VA = NC −1 ±1/2 +1 LSB Resistor Nonlinearity2 R-INL RWB, VA = NC −0.4 +0.4 % FS Nominal Resistor Tolerance ∆RAB −40 +20 % Resistance Temperature Coefficient ∆RAB/∆T 600 ppm/°C Wiper Resistance RW IW = 100 µA, VDD = 5.5 V, code = 0x1E 50 100 Ω IW = 100 µA, VDD = 3 V, code = 0x1E 200 Ω POTENTIOMETER DIVIDER MODES Resolution N 8 Bits Differential Nonlinearity3 DNL −1 ±1/2 +1 LSB Integral Nonlinearity3 INL −0.4 +0.4 % FS Voltage Divider Temperature ∆VW/ΔT Code = half scale 15 ppm/°C Coefficient Full-Scale Error VWFSE Code = full scale −3 0 % FS Zero-Scale Error VWZSE Code = zero scale 0 3 % FS RESISTOR TERMINALS Terminal Voltage Range4 VA, VB, VW VSS VDD V Capacitance Ax, Bx5 CA, CB f = 1 MHz, measured to GND, code = half-scale 45 pF Capacitance Wx5 CW f = 1 MHz, measured to GND, code = half scale 60 pF Common-Mode Leakage Current5, 6 ICM VW = VDD/2 0.01 1 µA DIGITAL INPUTS AND OUTPUTS Input Logic High VIH With respect to GND, VDD = 5 V 2.4 V Input Logic Low VIL With respect to GND, VDD = 5 V 0.8 V Input Logic High VIH With respect to GND, VDD= 3 V 2.1 V Input Logic Low VIL With respect to GND, VDD = 3 V 0.6 V Input Logic High VIH With respect to GND, VDD = +2.5 V, VSS = −2.5 V 2.0 V Input Logic Low VIL With respect to GND, VDD = +2.5 V, VSS = −2.5 V 0.5 V Output Logic High (SDO and RDY) VOH RPULL-UP = 2.2 kΩ to 5 V 4.9 V Output Logic Low VOL IOL = 1.6 mA, VLOGIC = 5 V 0.4 V Input Current IIL VIN = 0 V or VDD ±2.5 µA Input Capacitance5 CIL 4 pF POWER SUPPLIES Single-Supply Power Range VDD VSS = 0 V 2.7 5.5 V Dual-Supply Power Range VDD/VSS ±2.25 ±2.75 V Positive Supply Current IDD VIH = VDD or VIL = GND 3.5 10 µA Programming Mode Current IDD(PG) VIH = VDD or VIL = GND 35 mA Read Mode Current7 IDD(XFR) VIH = VDD or VIL = GND 0.9 3 9 mA Negative Supply Current ISS VIH = VDD or VIL = GND, VDD = +2.5 V, VSS = −2.5 V 3.5 10 µA Power Dissipation8 PDISS VIH = VDD or VIL = GND 0.018 0.05 mW Power Supply Sensitivity5 PSS ∆VDD = 5 V ± 10% 0.002 0.01 %/% Rev. C | Page 3 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions Interface Timing Characteristics Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation Scratch Pad and EEMEM Programming Basic Operation EEMEM Protection Digital Input/Output Configuration Serial Data Interface Daisy-Chaining Operation Advanced Control Modes Increment and Decrement Commands Logarithmic Taper Mode Adjustment Using Additional Internal, Nonvolatile EEMEM Terminal Voltage Operating Range Detailed Potentiometer Operation Programming the Variable Resistor Rheostat Operation Programming the Potentiometer Divider Voltage Output Operation Operation from Dual Supplies Application Programming Examples Equipment Customer Start-up Sequence for a PCB Calibrated Unit with Protected Settings Flash/EEMEM Reliability Evaluation Board Outline Dimensions Ordering Guide