EVAL-AD5222SDZ Analog Devices, EVAL-AD5222SDZ Datasheet
EVAL-AD5222SDZ
Specifications of EVAL-AD5222SDZ
Related parts for EVAL-AD5222SDZ
EVAL-AD5222SDZ Summary of contents
Page 1
... DACSEL (Logic 0) changes RDAC 1. These inputs, which con- trol the internal up/down counter, can be easily generated with REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use ...
Page 2
AD5222–SPECIFICATIONS Parameter DC CHARACTERISTICS RHEOSTAT MODE (Specifications Apply to All VRs) 2 Resistor Differential NL 2 Resistor Nonlinearity Nominal Resistor Tolerance Resistance Temperature Coefficient 3 Wiper Resistance Nominal Resistance Match DC CHARACTERISTICS POTENTIOMETER DIVIDER MODE (Specifications Apply to All VRs) ...
Page 3
ABSOLUTE MAXIMUM RATINGS ( unless otherwise noted GND . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4
AD5222–Typical Performance Characteristics 100 CODE – Decimal Figure 3. Wiper-To-End Terminal Resistance vs. Code 4 3 2.5 2 ...
Page 5
VERSION 60 10k VERSION 50 40 100k VERSION 30 50k VERSION –10 –20 – CODE – Decimal Figure Potentiometer Mode Tempco WB 120 100 100k VERSION ...
Page 6
AD5222 1200 A – 5.5V DD CODE = 15 H 1000 B – 3.3V DD CODE = – 5.5V DD CODE = 3F 800 H D – 3.3V DD ...
Page 7
DUT 1LSB = V+/128 Figure 21. Potentiometer Divider Nonlinearity Error Test Circuit (INL, DNL) NO CONNECT DUT Figure 22. Resistor Position Nonlinearity Error (Rheostat Operation; R-INL, R-DNL) = ...
Page 8
... UP/DOWN counter register, Figure 30. Standard logic families work well. If mechanical switches are used for product evaluation a flip-flop or other suitable means should debounce them. When CS is taken active low, the clock begins to increment or decrement the internal up/down counter, depen- dent upon the state of the U/D control pin ...
Page 9
PROGRAMMING THE VARIABLE RESISTOR Rheostat Operation The nominal resistance of the RDAC between Terminals A and B are available with values 100 k , and 1 M The final three characters of the ...
Page 10
AD5222 14-Lead Narrow Body SOIC (R-14) 0.3444 (8.75) 0.3367 (8.55 0.2440 (6.20) 0.1574 (4.00) 0.1497 (3.80) 0.2284 (5.80 PIN 1 0.0688 (1.75) 0.050 (1.27) 0.0532 (1.35) BSC 0.0098 (0.25) 0.0192 (0.49) SEATING 0.0099 (0.25) PLANE 0.0040 ...