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CAT5127ZI-10-GT3 Datasheet(PDF) 1 Page - ON Semiconductor |
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CAT5127ZI-10-GT3 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 10 page Semiconductor Components Industries, LLC, 2013 July, 2013 − Rev. 7 1 Publication Order Number: CAT5127/D CAT5127, CAT5129 32‐tap Digital Potentiometers (POTs) Description The CAT5127/CAT5129 are single digital POTs designed as an electronic replacement for mechanical potentiometers and trim pots. Ideal for automated adjustments on high volume production lines, they are also well suited for applications where equipment requiring periodic adjustment is either difficult to access or located in a hazardous or remote environment. The CAT5127 contains a 32-tap series resistor array connected between two terminals RH and RL. The CAT5129 contains a 32-tap series resistor array connected between two terminals RH and GND. An up/down counter and decoder that are controlled by three input pins, determines which tap is connected to the wiper. The wiper setting, stored in nonvolatile memory, is not lost when the device is powered down and is automatically reinstated when power is returned. The wiper can be adjusted to test new system values without effecting the stored setting. Wiper-control of the CAT5127/CAT5129 is accomplished with three input control pins, CS, U/D, and INC. The INC input increments the wiper in the direction which is determined by the logic state of the U/D input. The CS input is used to select the device and also store the wiper position prior to power down. The devices are used as two-terminal variable resistors. Digital POTs bring variability and programmability to a wide variety of applications including control, parameter adjustments, and signal processing. Features 32-position Linear Taper Potentiometer Non-volatile EEPROM Wiper Storage Low Standby Current Single Supply Operation: 2.5 V – 5.5 V Increment Up/Down Serial Interface Resistance Values: 10 kW, 50 kW and 100 kW CAT5127 in MSOP Packages CAT5129 in the 6-lead TSOT23 Package This Device is Pb-Free, Halogen Free/BFR Free and are RoHS Compliant Applications Automated Product Calibration Remote Control Adjustments Offset, Gain and Zero Control Tamper-proof Calibrations Contrast, Brightness and Volume Controls Motor Controls and Feedback Systems Programmable Analog Functions http://onsemi.com PIN CONFIGURATIONS See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet. ORDERING INFORMATION MSOP−8 Z SUFFIX CASE 846AD TSOT−23 TD SUFFIX CASE 419AF (Top Views) CAT5129 VCC RH INC U/D GND CS VCC CS RL NC INC U/D RH GND 1 1 MSOP (Z) TSOT−23 (TD) 1 1 CAT5127 |
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