CAT5126ZI-00-GT3

Memory Type:	Volatile
Base Part Number:	CAT5126
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	150
Temperature Coefficient (Typ):	±50 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	2.5 V ~ 5.5 V
Series:	--
Interface:	Up/Down (U/D, CS)
Resistance (Ohms):	100k
Number of Taps:	32
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital Potentiometers

The CAT5126ZI-00-GT3 is a digitally controlled potentiometer (DCP) produced by Catalyst Semiconductors. It is a component combining a variable resistor, a logic interface and a digital-to-analog converter (DAC). This product is mainly used in industrial and medical applications where resistance adjustment and control is required.The CAT5126ZI-00-GT3 device has 128 positions of resistance adjustment, each with a static resistance of 10 kΩ. The product has an onboard SPI interface, allowing it to be controlled by microcontrollers. The output resistance is controlled by programming a 6-bit digital code sent through the SPI port. The output resistance changes immediately after the values of the digital code are updated. The CAT5126ZI-00-GT3 DCP is mainly used in audio volume control and ADC signal conditioning applications because of its excellent linearity and low temperature coefficient. It can also be used in precision DAC reference circuits, where it can provide accurate voltage control and signal isolation. Additionally, the device can be used in robotics for servo control, medical electronics for dialysis control, automotive systems for fuel injection control and many other industrial applications. The principle of operation of the DCP is simple. The logic interface connected to the SPI port receives the digital code, the logic circuit then enables the associated resistor to produce the desired resistance. The output resistance ranges from 0 kΩ to 10 kΩ, with a resolution of 79.3 mΩ per digital code step. The DAC integrated in the device allows the resistance to be tuned to fine step increments. The CAT5126ZI-00-GT3 DCP offers superior performance when compared to traditional mechanical potentiometers due to its higher resolution and linearity. Additionally, it has a wide operating temperature range of between -40°C and +85°C. It is also robust and reliable with an end-of-life failure of less than 1%. This device is offered in an 8-pin micro-sized package with a 2mm lead pitch. The CAT5126ZI-00-GT3 is part of a family of digital potentiometers, which offer a range of resistance adjustment options for different applications. With its high resolution and linearity, reliable performance and wide operating temperature range, the CAT5126ZI-00-GT3 is an excellent choice for anyone looking for a DCP for general industrial or medical applications.

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