CAT5140ZI-50-GT3 ON Semiconductor

CAT5140 Single Channel 256 Tap Digital Potentiometer (POT) with Integrated EEPROM 2 and I C Control CAT5140 Table 1. ORDERING INFORMATION Part Number Resistance Temperature Range Package Shipping CAT5140ZI 50 GT3 50 k 3000/Tape & Reel MSOP8 3x3 40C to 85C (Pb-Free) CAT5140ZI 00 GT3 100 k 3000/Tape & Reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. 1. For detailed information and a breakdown of device nomenclature and numbering systems, please see the ON Semiconductor Device Nomenclature document, TND310/D, available at www.onsemi.com. Table 2. PIN FUNCTION DESCRIPTION Pin No. Pin Name Description 1 WP Memory Write Protect: Active Low 2 SCL Serial Clock 3 SDA Serial Data 4 GND Ground 5 R Wiper Terminal W 6 R Potentiometer Low Terminal L 7 R Potentiometer High Terminal H 8 V Supply Voltage CC WP: Write Protect Input open drain output and can be wire-Ored with the other open The WP pin when tied low prevents any write operations drain or open collector I/Os. within the device. R , R : Resistor End Points H L SCL: Serial Clock The set of R and R pins is equivalent to the terminal H L The CAT5140 serial clock input pin is used to clock all connections on a mechanical potentiometer. data transfers into or out of the device. R : Wiper W SDA: Serial Data The R pin is equivalent to the wiper terminal of a W The CAT5140 bidirectional serial data pin is used to mechanical potentiometer and its position is controlled by transfer data into and out of the device. The SDA pin is an the WR register. Table 3. ABSOLUTE MAXIMUM RATINGS Parameter Rating Unit V Supply Voltage V to Ground (Note 2) 0.5 to +7 V IN CC Terminal voltages: R , R , R , SDA, SCL, WP 0.5 to V + 0.5 V H L W CC Wiper Current 6.0 mA Storage Temperature Range 65 to +150 C Junction Temperature Range 40 to +150 C Lead Soldering Temperature (10 seconds) 300 C ESD Rating HBM (Human Body Model) 2000 V ESD Rating MM (Machine Model) 200 V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 2. The minimum DC input voltage is 0.5 V. During transitions, inputs may undershoot to 2.0 V for periods of less than 20 ns. Maximum DC voltage on output pins is V +0.5 V, which may overshoot to V +2.0 V for periods of less than 20 ns. CC CC Table 4. RECOMMENDED OPERATING CONDITIONS Parameter Rating Unit V 2.5 to 5.5 V CC Wiper Current 3 mA Temperature Range 40 to +85 C