CAT5251YI-50-T2 ON Semiconductor, CAT5251YI-50-T2 Datasheet
CAT5251YI-50-T2
Specifications of CAT5251YI-50-T2
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CAT5251YI-50-T2 Summary of contents
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CAT5251 Quad Digitally Program- mable Potentiometer (DPPt) with 256 Taps and SPI Interface Description The CAT5251 is four Digitally Programmable Potentiometers (DPPst) integrated with control logic and 16 bytes of NVRAM memory. Each DPP consists of a series of resistive ...
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MARKING DIAGRAMS (SOIC−24) L3B CAT5251WT −RRYMXXXX L = Assembly Location 3 = Lead Finish − Matte−Tin B = Product Revision (Fixed as “B”) CAT = Fixed as “CAT” 5251W = Device Code T = Temperature Range (I = Industrial) − ...
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CS SCK HOLD Pin Descriptions SI: Serial Input SI is the serial data input pin. This pin is used to input all opcodes, byte addresses and data to be written to the CAT5251. Input data ...
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Table 1. PIN DESCRIPTION Pin # Name Function 1 SO Serial Data Output 2 A0 Device Address, LSB 3 R Wiper Terminal for Potentiometer High Reference Terminal for H3 Potentiometer Low Reference Terminal ...
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Table 3. RECOMMENDED OPERATING CONDITIONS Parameter V CC Operating Ambient Temperature (Industrial) Table 4. POTENTIOMETER CHARACTERISTICS Symbol Parameter R Potentiometer Resistance (−00) POT R Potentiometer Resistance (−50) POT Potentiometer Resistance Tolerance R Matching POT Power Rating I Wiper Current W ...
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Table 6. PIN CAPACITANCE (Note 8) (Applicable over recommended operating range from T Symbol Parameter C Output Capacitance (SO) OUT C Input Capacitance (CS, SCK, SI, WP, HOLD, A0 Table 7. A.C. CHARACTERISTICS Symbol Parameter t Data Setup ...
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Table 11. RELIABILITY CHARACTERISTICS Symbol Parameter N (Note 10) Endurance END T (Note 10) Data Retention DR V (Note 10) ESD Susceptibility ZAP I (Note 10) Latch−Up LTH 10. This parameter is tested initially and after a design or process ...
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Instruction and Register Description Device Type / Address Byte The first byte sent to the CAT5251 from the master/processor is called the Device Address Byte. The most significant four bits of the Device Type address are a device type identifier. ...
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Wiper Control and Data Registers Wiper Control Register (WCR) The CAT5251 contains four 8−bit Wiper Control Registers, one for each potentiometer. The Wiper Control Register output is decoded to select one of 256 switches along its resistor array. The contents ...
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The basic sequence of the three byte instructions is illustrated in Figure 7. These three−byte instructions exchange data between the WCR and one of the Data Registers. The WCR controls the position of the wiper. The response of the wiper ...
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INC/DEC Command Issued SCK Instruction Format Table 14. READ WIPER CONTROL REGISTER (WCR) CS DEVICE ADDRESSES Table 15. WRITE WIPER CONTROL REGISTER (WCR) CS DEVICE ADDRESSES ...
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Instruction Format (continued) Table 19. GLOBAL TRANSFER DATA REGISTER (DR) TO WIPER CONTROL REGISTER (WCR) CS DEVICE ADDRESSES Table 20. GLOBAL TRANSFER WIPER CONTROL REGISTER (WCR) TO DATA REGISTER (DR) CS DEVICE ...
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PIN#1 IDENTIFICATION TOP VIEW D A SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-013. PACKAGE DIMENSIONS SOIC−24, 300 mils CASE 751BK−01 ISSUE O SYMBOL ...
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TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-153. PACKAGE DIMENSIONS TSSOP24, 4.4x7.8 CASE 948AR−01 ISSUE θ1 http://onsemi.com 14 SYMBOL MIN ...
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... CAT5251YI−00−T2 CAT5251WI50 CAT5251WI00 CAT5251YI50 CAT5251YI00 11. All packages are RoHS−compliant (Lead−free, Halogen−free). 12. The standard lead finish is Matte−Tin. 13. The device used in the above example is a CAT5251WI−50−T1 (SOIC, Industrial Temperature, 50 kW, Tape & Reel, 1,000/Reel). 14. 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 ...