X9315WMIT2

Memory Type:	Non-Volatile
Base Part Number:	X9315
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):	200
Temperature Coefficient (Typ):	±300 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	5V
Series:	XDCP™
Interface:	Up/Down (U/D, INC, CS)
Resistance (Ohms):	10k
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Part Status:	Obsolete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

Digital potentiometers are commonly used as variable resistors to control electrical signals in a wide range of applications. These digital potentiometers are useful in applications such as robotics, position sensing, and audio and video processing. Some potentiometers are used as position sensors, while others are used as variable resistors. The X9315WMIT2 is a 10-bit, serial input and variable output, digital potentiometer.

Overview

The X9315WMIT2 is a single chip and programmable 10-bit digital potentiometer. It has a chip enable (CE) input as well as two control inputs and two serial data inputs. The two control inputs (A0 and A1) allow the user to select from up to eight different wiper settings. The wiper is the mechanical device within the potentiometer which slides and adjusts the device’s resistance. The advantage of the X9315WMIT2 over other digital potentiometers is that it has a resolved rate of 10 bits, from 0 to 255, meaning that it produces non-linear output resistance changes. The device also has a non-volatile memory for storing up to eight default wiper settings.

Key Features

The X9315WMIT2 has many features which make it well suited for digital potentiometer applications, including:

• 10-bit resolution
• 8 wiper settings
• Non-volatile memory to store 8 wiper settings
• Permanent wiper settings
• Low power operation
• Small size and low profile
• Excellent temperature stability
• Compatible with wide range of available potentiometers
• Low external component count
• Minimum voltage and capacitance requirements
• High operational speed

Application Fields

The X9315WMIT2 is designed for use in a wide range of applications including robotics, position sensing, and audio and video processing. It can be used to precisely control voltage signals, adjust frequency, and adjust gain by changing the resistor values. It is suitable for applications in which precise control of the output is required including:

• Automotive applications such as the control of airbag inflators, electronic stability control systems, and cruise control systems.
• Medical devices such as electrocardiograms, pulse oximeters and infusion pumps.
• Industrial control systems such as fan controllers and motor speed controllers.
• Military and aerospace applications such as guidance systems and communications.
• Home audio and video systems.

Working Principle

The X9315WMIT2 works by using the two serial data inputs (SDA and SCL) to program the chip with the desired settings. Serial data can be used to write the potentiometer settings. The A0 and A1 pins allow the user to select from up to eight different wiper settings. When the CE pin is enabled, the output voltage is adjusted accordingly. The output voltage is then applied across the resistor network to form the desired attenuation or gain.The X9315WMIT2 also has an internal non-volatile memory which is used to store up to eight wiper settings. This means that the wiper settings can be stored and recalled if the device is powered off. This is useful in applications where the device needs to be calibrated or when the device is used in an environment where the output may change due to temperature or other conditions.

Conclusion

The X9315WMIT2 is a single chip and programmable 10-bit digital potentiometer. It has a chip enable (CE) input and two control inputs (A0 and A1) which allow the user to select from up to eight different wiper settings. The X9315WMIT2\'s high resolution, low power operation and excellent temperature stability make it an ideal choice for various applications, from automotive to medical and industrial. The device also has an internal non-volatile memory for storing up to eight default wiper settings for ultimate precision. The X9315WMIT2 is a perfect choice for those looking for enhanced performance and accuracy in digital potentiometer applications. With its wide range of features and high resolution, it is sure to meet the needs of a variety of applications.

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