CAT5409YI-25-TE13 ON Semiconductor, CAT5409YI-25-TE13 Datasheet
CAT5409YI-25-TE13
Specifications of CAT5409YI-25-TE13
Related parts for CAT5409YI-25-TE13
CAT5409YI-25-TE13 Summary of contents
Page 1
Quad Digitally Programmable Potentiometers (DPP™) with 64 Taps and I²C Interface FEATURES Four linear taper digitally programmable potentiometers 64 resistor taps per potentiometer End to end resistance 2.5 kΩ, 10 kΩ, 50 kΩ or 100 kΩ I²C interface Low wiper ...
Page 2
CAT5409 PIN DESCRIPTIONS Pin# Pin# (SOIC) (TSSOP) Name Function Supply Voltage CC Low Reference Terminal for Potentiometer 0 High Reference Terminal for Potentiometer 0 Wiper Terminal for 22 4 ...
Page 3
ABSOLUTE MAXIMUM RATINGS Parameters Temperature Under Bias Storage Temperature Voltage on Any Pin with Respect with Respect to Ground CC Package Power Dissipation Capability (T Lead Soldering Temperature (10 s) Wiper Current RECOMMENDED OPERATING CONDITIONS Parameters V ...
Page 4
CAT5409 D.C. OPERATING CHARACTERISTICS Over recommended operating conditions unless otherwise stated. Symbol Parameter I Power Supply Current CC I Standby Current ( Input Leakage Current LI I Output Leakage Current LO V Input Low Voltage IL V ...
Page 5
WRITE CYCLE LIMITS Symbol Parameter t Write Cycle Time WR The write cycle is the time from a valid stop condition of a write sequence to the end of the internal program/erase cycle. During the write cycle, the bus interface ...
Page 6
CAT5409 SERIAL BUS PROTOCOL The following defines the features of the I²C bus protocol: (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 ...
Page 7
WRITE OPERATIONS In the Write mode, the Master device sends the START condition and the slave address information to the Slave device. After the Slave generates an acknowledge, the Master sends the instruction byte that defines the requested operation of ...
Page 8
CAT5409 INSTRUCTION AND REGISTER DESCRIPTION SLAVE ADDRESS BYTE The first byte sent to the CAT5409 from the master/ processor is called the Slave/DPP Address Byte. The most significant four bits of the Device Type address are a device type identifier. ...
Page 9
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 ...
Page 10
CAT5409 position Data Register is a write to non-volatile memory and takes a minimum of t transfer can occur between one of the four poten- tiometers and one of its associated registers; or the transfer can occur between ...
Page 11
Figure 10. Increment/Decrement Timing Limits INC/DEC Command Issued SCL SDA R W INSTRUCTION FORMAT Read Wiper Control Register (WCR) S DEVICE ADDRESSES Write Wiper Control Register (WCR) S DEVICE ...
Page 12
CAT5409 INSTRUCTION FORMAT (continued) Global Transfer Data Register (DR) to Wiper Control Register (WCR) S DEVICE ADDRESSES Global Transfer Wiper Control Register (WCR) to Data Register (DR) S DEVICE ...
Page 13
PACKAGE OUTLINE DRAWINGS (1)(2) SOIC 24-Lead 300 mils ( PIN#1 IDENTIFICATION TOP VIEW D A SIDE VIEW Notes: (1) All dimensions in millimeters. Angle in degrees. (2) Compiles with JEDEC standard MS-013. © 2009 SCILLC. All rights reserved. ...
Page 14
CAT5409 (1)(2) TSSOP 24-Lead 4.4 mm (Y) e TOP VIEW SIDE VIEW Notes: (1) All dimensions in millimeters. Angle in degrees. (2) Compiles with JEDEC standard MO-153. Doc. No. MD-2010 Rev θ1 ...
Page 15
... CAT5409YI-00-T2 CAT5409WI25 CAT5409WI10 CAT5409WI50 CAT5409WI00 CAT5409YI25 CAT5409YI10 CAT5409YI50 CAT5409YI00 Notes: (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The device used in the above example is a CAT5409WI-00-T1 (SOIC, Industrial Temperature, 100 kΩ, Tape & Reel, 1,000/Reel). (3) For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. ...
Page 16
... Change 2-wire with I²C 07-Apr-08 K Update Ordering Part Number table 26-Nov-08 L Change logo and fine print to ON Semiconductor 31-Jul-09 M Update Ordering Information table ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...