CAT5411WI-50-T1 ON Semiconductor, CAT5411WI-50-T1 Datasheet

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CAT5411WI-50-T1

Manufacturer Part Number
CAT5411WI-50-T1
Description
IC POT DPP 50K 64TAP SPI 24SOIC
Manufacturer
ON Semiconductor
Datasheet

Specifications of CAT5411WI-50-T1

Taps
64
Resistance (ohms)
50K
Number Of Circuits
2
Temperature Coefficient
300 ppm/°C Typical
Memory Type
Non-Volatile
Interface
SPI Serial
Voltage - Supply
2.5 V ~ 6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-SOIC (7.5mm Width)
Resistance In Ohms
50K
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
CAT5411
Dual Digitally Program-
mable Potentiometers
(DPPt) with 64 Taps and
SPI Interface
Description
(DPPst) integrated with control logic and 16 bytes of NVRAM
memory. Each DPP consists of a series of 63 resistive elements
connected between two externally accessible end points. The tap
points between each resistive element are connected to the wiper
outputs with CMOS switches. A separate 6−bit control register (WCR)
independently controls the wiper tap switches for each DPP.
Associated with each wiper control register are four 6−bit non−volatile
memory data registers (DR) used for storing up to four wiper settings.
Writing to the wiper control register or any of the non−volatile data
registers is via a SPI serial bus. On power−up, the contents of the first
data register (DR0) for each of the two potentiometers is automatically
loaded into its respective wiper control register.
variable resistor. It is intended for circuit level or system level
adjustments in a wide variety of applications.
Features
© Semiconductor Components Industries, LLC, 2011
January, 2011 − Rev. 11
The CAT5411 is two Digitally Programmable Potentiometers
The CAT5411 can be used as a potentiometer or as a two terminal,
Mode (0, 0) and (1, 1)
Potentiometer
Compliant
Two Linear−taper Digitally Programmable Potentiometers
64 Resistor Taps per Potentiometer
End to End Resistance 2.5 kW, 10 kW, 50 kW or 100 kW
Potentiometer Control and Memory Access via SPI Interface:
Low Wiper Resistance, Typically 80 W
Nonvolatile Memory Storage for up to Four Wiper Settings for Each
Automatic Recall of Saved Wiper Settings at Power Up
2.5 to 6.0 Volt Operation
Standby Current less than 1 mA
24−lead SOIC and 24−lead TSSOP
Industrial Temperature Ranges
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
1
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
HOLD
GND
SCK
R
R
R
CASE 948AR
GND
NC
NC
NC
NC
R
R
W1
V
A
R
R
H1
TSSOP−24
SI
R
WP
R
L1
Y SUFFIX
CS
W0
W1
CC
1
A
H0
H1
SI
L1
L0
1
ORDERING INFORMATION
PIN CONNECTIONS
http://onsemi.com
TSSOP−24 (Y)
SOIC−24 (W)
(Top View)
(Top View)
1
CAT5411
CAT5411
1
Publication Order Number:
CASE 751BK
W SUFFIX
SOIC−24
CAT5411/D
NC
NC
NC
NC
A
SO
HOLD
SCK
NC
NC
NC
NC
0
WP
CS
R
R
R
V
NC
NC
NC
NC
A
SO
W0
CC
0
H0
L0

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CAT5411WI-50-T1 Summary of contents

Page 1

CAT5411 Dual Digitally Program- mable Potentiometers (DPPt) with 64 Taps and SPI Interface Description The CAT5411 is two Digitally Programmable Potentiometers (DPPst) integrated with control logic and 16 bytes of NVRAM memory. Each DPP consists of a series of 63 ...

Page 2

MARKING DIAGRAMS (SOIC−24) L3B CAT5411WT −RRYMXXXX L = Assembly Location 3 = Lead Finish − Matte−Tin B = Product Revision (Fixed as “B”) CAT = Fixed as “CAT” 5411W = Device Code T = Temperature Range (I = Industrial) − ...

Page 3

CS SCK 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 CAT5411. Input data is ...

Page 4

Table 1. PIN CONNECTIONS Pin SOIC Pin TSSOP Name ...

Page 5

Table 3. ABSOLUTE MAXIMUM RATINGS Parameters Temperature Under Bias Storage Temperature Range Voltage to any Pins with Respect with Respect to GND CC Package Power Dissipation Capability (T Lead Soldering Temperature (10 s) Wiper Current Stresses ...

Page 6

Table 6. D.C. OPERATING CHARACTERISTICS 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 Input High Voltage ...

Page 7

Table 9. ELECTRICAL CHARACTERISTICS Symbol Parameter t Data Setup Time SU t Data Hold Time H t SCK High Time WH t SCK Low Time WL f Clock Frequency SCK t HOLD to Output Low (Note 11) ...

Page 8

CS SCK t HD HOLD SO Instruction and Register Description Device Type / Address Byte The first byte sent to the CAT5411 from the master/ processor is called the Device Address Byte. The most significant four bits of the Device ...

Page 9

Wiper Control and Data Registers Wiper Control Register (WCR) The CAT5411 contains two 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

The basic sequence of the three byte instructions is illustrated in Figure 8. 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 ...

Page 11

INC/DEC Command Issued SCK Figure 10. Increment/Decrement Timing Limits Instruction Format Table 13. READ WIPER CONTROL REGISTER (WCR) CS DEVICE ADDRESS Table 14. WRITE WIPER CONTROL REGISTER (WCR) CS ...

Page 12

Instruction Format (continued) Table 18. GLOBAL TRANSFER DATA REGISTER (DR) TO WIPER CONTROL REGISTER (WCR) CS DEVICE ADDRESS Table 19. GLOBAL TRANSFER WIPER CONTROL REGISTER (WCR) TO DATA REGISTER (DR) CS DEVICE ...

Page 13

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 ...

Page 14

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 ...

Page 15

... W Package Company ID (Optional) W: SOIC Y: TSSOP Product Number 5411 Table 23. ORDERING INFORMATION Orderable Part Number Resistance (kW) CAT5411WI-25-T1 CAT5411WI-10-T1 CAT5411WI-50-T1 CAT5411WI-00-T1 CAT5411YI-25-T2 CAT5411YI-10-T2 CAT5411YI-50-T2 CAT5411YI-00-T2 CAT5411WI25 CAT5411WI10 CAT5411WI50 CAT5411WI00 CAT5411YI25 CAT5411YI10 CAT5411YI50 CAT5411YI00 12. All packages are RoHS−compliant (Lead−free, Halogen−free). ...

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