CAT5409YI-10-T2 ON Semiconductor, CAT5409YI-10-T2 Datasheet
CAT5409YI-10-T2
Specifications of CAT5409YI-10-T2
Related parts for CAT5409YI-10-T2
CAT5409YI-10-T2 Summary of contents
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CAT5409 Quad Digitally Program- mable Potentiometers (DPPt) with 64 Taps and Interface Description The CAT5409 is four Digitally Programmable Potentiometers (DPPt) integrated with control logic and 16 bytes of NVRAM memory. A separate 6−bit control register (WCR) ...
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MARKING DIAGRAMS (SOIC−24) L3B CAT5409WT −RRYMXXXX L = Assembly Location 3 = Lead Finish − Matte−Tin B = Product Revision (Fixed as “B”) CAT = Fixed as “CAT” 5409W = Device Code T = Temperature Range (I = Industrial) − ...
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SCL SDA INTERFACE Table 1. PIN DESCRIPTIONS Pin# (SOIC) Pin# (TSSOP) Name ...
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Pin Descriptions SCL: Serial Clock The CAT5409 serial clock input pin is used to clock all data transfers into or out of the device. SDA: Serial Data The CAT5409 bidirectional serial data pin is used to transfer data into and ...
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Table 4. POTENTIOMETER CHARACTERISTICS Symbol Parameter R Potentiometer Resistance (−00) POT R Potentiometer Resistance (−50) POT R Potentiometer Resistance (−10) POT R Potentiometer Resistance (−2.5) POT Potentiometer Resistance Tolerance R Matching POT Power Rating I Wiper Current W R Wiper ...
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Table 7. A.C. CHARACTERISTICS Symbol f Clock Frequency SCL T (Note 10) Noise Suppression Time Constant at SCL, SDA Inputs I t SLC Low to SDA Data Out and ACK Out AA t (Note 10) Time the bus must be ...
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F t LOW SCL t SU:STA t HD:STA SDA IN SDA OUT SCL SDA 8TH BIT BYTE n SDA SCL START CONDITION t t HIGH R t LOW t HD:DAT t SU:DAT Figure 2. Bus ...
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Serial Bus Protocol The following defines the features of the I 1. Data transfer may be initiated only when the bus is not busy. 2. During a data transfer, the data line must remain stable whenever the clock line is ...
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Write Protection The Write Protection feature allows the user to protect against inadvertent programming of the non−volatile data registers. If the WP pin is tied to LOW, the data registers are protected and become read only. Similarly, the WP pin ...
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Wiper Control and Data Registers Wiper Control Register (WCR) The CAT5409 contains four 6−bit Wiper Control Registers, one for each potentiometer. The Wiper Control Register output is decoded to select one of 64 switches along its resistor array. The contents ...
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The basic sequence of the three byte instructions is illustrated in Figure 11. 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 SCL SDA R W Figure 13. Increment/Decrement Timing Limits Instruction Format Table 13. READ WIPER CONTROL REGISTER (WCR) S DEVICE ADDRESSES Table 14. WRITE WIPER ...
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Instruction Format (continued) Table 17. GLOBAL TRANSFER DATA REGISTER (DR) TO WIPER CONTROL REGISTER (WCR) S DEVICE ADDRESSES Table 18. GLOBAL TRANSFER WIPER CONTROL REGISTER (WCR) TO DATA ...
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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 15 SYMBOL MIN ...
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... CAT5409WI25 CAT5409WI10 CAT5409WI50 CAT5409WI00 CAT5409YI25 CAT5409YI10 CAT5409YI50 CAT5409YI00 12. All packages are RoHS−compliant (Lead−free, Halogen−free). 13. The standard lead finish is Matte−Tin. 14. The device used in the above example is a CAT5409WI−00−T1 (SOIC, Industrial Temperature, 100 kW, Tape & Reel, 1,000/Reel). ...