Datasheet MAX5450, MAX5451, MAX5452, MA5453, MAX5454, MAX5455 (Analog Devices) - 9

Dual, 256-Tap, Up/Down Interface, Digital Potentiometers MAX5450–MAX5455
H W1 CS1 UP/DOWN POSITION S256 INC COUNTER DECODER R255 U/D L1 VDD POWER-ON MAX5450 R S255 254 RESET MAX5452 GND MAX5454 W2 CS2 W UP/DOWN POSITION S254 COUNTER DECODER L2 R2 S3 Figure 3. MAX5450/MAX5452/MAX5454 Simplified Functional R1 Diagram S2 S1 L Figure 2. Simplified Digital Potentiometer Resistor Array W R3 H1 VDD MAX5450 CS1 R2 UP/DOWN MAX5452 POSITION INC1 W1 COUNTER DECODER MAX5454 R U/D1 1 V L1 I OUT S L VDD POWER-ON MAX5451 MAX4250 RESET MAX5453 GND V MAX5455 H2 OUT = R3 ( ) R2 1 + + R2 I R S 1 CS2 UP/DOWN POSITION INC2 W2 COUNTER DECODER U/D2 Figure 5. Adjustable Current to Voltage Converter L2 Figure 4. MAX5451/MAX5453/MAX5455 Simplified Functional Diagram
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