Datasheet AD5116 (Analog Devices) - 3

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Data Sheet AD5116 SPECIFICATIONS ELECTRICAL CHARACTERISTICS
5 kΩ, 10 kΩ, and 80 kΩ versions: VDD = 2.3 V to 5.5 V, VA = VDD, VB = 0 V, −40°C < TA < +125°C, unless otherwise noted.
Table 2. Parameter Symbol Test Conditions/Comments Min Typ1 Max Unit
DC CHARACTERISTICS—RHEOSTAT MODE Resolution N 6 Bits Resistor Integral Nonlinearity2 R-INL RAB = 5 kΩ, VDD = 2.3 V to 2.7 V −2.5 ±0.5 +2.5 LSB RAB = 5 kΩ, VDD = 2.7 V to 5.5 V −1 ±0.25 +1 LSB RAB = 10 kΩ −1 ±0.25 +1 LSB RAB = 80 kΩ −0.25 ±0.1 +0.25 LSB Resistor Differential Nonlinearity2 R-DNL −1 ±0.25 +1 LSB Nominal Resistor Tolerance ΔRAB/RAB −8 +8 % Resistance Temperature Coefficient3 (ΔRAB/RAB)/ΔT × 106 Code = full scale 35 ppm/°C Wiper Resistance RW Code = zero scale 70 140 Ω RBS Code = bottom scale 45 80 Ω RTS Code = top scale 70 140 Ω DC CHARACTERISTICS—POTENTIOMETER DIVIDER MODE Integral Nonlinearity4 INL −0.5 ±0.15 +0.5 LSB Differential Nonlinearity4 DNL −0.5 ±0.15 +0.5 LSB Full-Scale Error VWFSE RAB = 5 kΩ −2.5 LSB RAB =10 kΩ −1.5 LSB RAB = 80 kΩ −1 LSB Zero-Scale Error VWZSE RAB = 5 kΩ +1.5 LSB RAB =10 kΩ +1 LSB RAB = 80 kΩ +0.25 LSB Voltage Divider Temperature Coefficient3 (ΔVW/VW)/ΔT × 106 Code = half scale ±10 ppm/°C RESISTOR TERMINALS Maximum Continuous IA, IB, and IW Current3 RAB = 5 kΩ, 10 kΩ −6 +6 mA RAB = 80 kΩ −1.5 +1.5 mA Terminal Voltage Range5 GND VDD V Capacitance A, Capacitance B3, 6 CA, CB f = 1 MHz, measured to GND, 20 pF code = half scale, VW = VA = 2.5 V or VW = VB = 2.5 V Capacitance W3, 6 CW f = 1 MHz, measured to GND, 35 pF code = half scale, VA = VB = 2.5 V Common-Mode Leakage Current3 VA = VW = VB 50 nA DIGITAL INPUTS (PU AND PD) Input Logic3 High VINH 2 V Low VINL 0.8 V Input Current3 IN ±1 µA Input Capacitance3 CIN 5 pF DIGITAL OUTPUT (ASE) Output High Voltage3 VOH ISINK = 2 mA, VDD = 5 V 4.8 V Output Current3 IO VDD = 5 V 16 mA Three-State Leakage Current3 IOZ ±1 µA Input Capacitance3 CIN 5 pF Rev. B | Page 3 of 16 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Electrical Characteristics Interface Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Test Circuits Theory of Operation RDAC Register Manual Increment Auto Scan Increment Low Wiper Resistance Feature EEPROM Automatic Save Enable Auto Save Manual Store End Scale Resistance Indicator RDAC Architecture Top Scale/Bottom Scale Architecture Programming the Variable Resistor Rheostat Operation—±8% Resistor Tolerance Programming the Potentiometer Divider Voltage Output Operation Terminal Voltage Operating Range Power-Up Sequence Layout and Power Supply Biasing Outline Dimensions Ordering Guide