CAT5118 CATALYST [Catalyst Semiconductor], CAT5118 Datasheet

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CAT5118

Manufacturer Part Number
CAT5118
Description
32-Tap MiniPot Digitally Programmable Potentiometers with 2-Wire Interface
Manufacturer
CATALYST [Catalyst Semiconductor]
Datasheet

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© 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
CAT5110/5118/5119 linear-taper digitally programmable
potentiometers perform the same function as a
mechanical potentiometer or a variable resistor. These
devices consist of a fixed resistor and a wiper contact
with 32-tap points that are digitally controlled through a
2-wire up/down serial interface.
GND
GND
U/D
U/D
V
V
DD
DD
1
2
3
1
2
3
5
5
6 H
4
6 H
4
W
CS
L
CS
GND
U/D
V
DD
1
2
3
5 H
4
CS
The CAT5110 is configured as a potentiometer. The
CAT5118 and CAT5119 are configured as variable
resistors. See Pin Configurations for part functionality.
Three resistance values are available: 10k , 50k and
100k . These are available in space-saving 5-pin and
6-pin SC70 and SOT-23 packages.
1
GND
U/D
V
CS
DD
Counter
UP/DN
32-Position
Decoder
H
L
Doc. No. 2120, Rev. A
TM
W

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CAT5118 Summary of contents

Page 1

... Catalyst Semiconductor, Inc. Characteristics subject to change without notice The CAT5110 is configured as a potentiometer. The CAT5118 and CAT5119 are configured as variable resistors. See Pin Configurations for part functionality. Three resistance values are available: 10k , 50k and 100k . These are available in space-saving 5-pin and 6-pin SC70 and SOT-23 packages ...

Page 2

Doc. No. 2120, ...

Page 3

...

Page 4

...

Page 5

V to GND........................................... -0 All Other Pins to GND .............. -0 Input and Output Latch-Up Immunity ............ +200 mA Maximum Continuous Current into H, L and W 100k 50k 10k Continuous Power ...

Page 6

unless otherwise noted ...

Page 7

... The CAT5110 is designed to operate as a potentiometer. In this configuration, the low terminal of the resistor array is connected to ground (pin 2). The CAT5118 performs as a variable resistor. In this device, the wiper terminal and high terminal of the resistor array is connected at pin 5. The CAT5119 is a similar variable resistor, except the low terminal is connected to pin 5 ...

Page 8

The Minipots are intended for circuits requiring digitally controlled adjustable resistance, such as LCD contrast control, where voltage biasing adjusts the display con- trast. Use an op amp to provide buffering and gain on the output of the CAT5110. Connect ...

Page 9

SC70 E1/2 E1 0.15(.006) C PIN # .10(.004) C (b) b1 BASE METAL SECTION A-A NOTE: 1. CONTROLLING DIMENSION: MILLIMETER. CONVERTED INCH DIMENSION ARE NOT NECESSARILY EXACT. 2. DIMENSION "D" DOES NOT INCLUDE MOLD FLASH, PROTRUSION OR GATE ...

Page 10

aaa X=A &/or B ODD LEAD SIDES TOP VIEW A — — 1.00 A1 0.01 0.05 0.10 A2 0.84 0.87 0.90 c 0.12 0.15 ...

Page 11

A Initial Release Copyrights, Trademarks and Patents Trademarks and registered trademarks of Catalyst Semiconductor include each of the following: DPP ™ ™ MiniPot™ Catalyst Semiconductor has been issued U.S. and foreign patents and has patent applications pending ...

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