
Allicdata Part #: | DS1856E-030+T&R-ND |
Manufacturer Part#: |
DS1856E-030+T&R |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC DGTL POT 10/30K 2CH 16TSSOP |
More Detail: | Digital Potentiometer 30k Ohm 2 Circuit 256 Taps I... |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Memory Type: | Non-Volatile |
Base Part Number: | DS1856 |
Supplier Device Package: | 16-TSSOP |
Package / Case: | 16-TSSOP (0.173", 4.40mm Width) |
Operating Temperature: | -40°C ~ 95°C |
Resistance - Wiper (Ohms) (Typ): | -- |
Temperature Coefficient (Typ): | 50 ppm/°C |
Tolerance: | ±25% |
Features: | -- |
Voltage - Supply: | 2.85 V ~ 5.5 V |
Series: | -- |
Interface: | I²C |
Resistance (Ohms): | 30k |
Number of Taps: | 256 |
Number of Circuits: | 2 |
Configuration: | Rheostat |
Taper: | Linear |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
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Data Acquisition - Digital Potentiometers
The DS1856E-030+T&R is a digital potentiometer IC that is used to provide continuous analog control throughout a wide range of system operating temperatures. This potentiometer provides the user with a robust, high resolution, and low power solution for the most demanding applications requiring linear, DC control. This device is suitable for applications in precision analog signal conditioning, port expansion, telecom/consumer audio control, power/industrial control, and other embedded systems where cost is a primary concern.
It combines programmable linear taper and resistor ladder circuitry with a wide range of user adjustable features. It includes an internal 8-bit programmable control logic to store the user selected values in a non-volatile memory. The device also features internal frequency generation, adjustable temperature compensation, monitoring, and integrated temperature circuitry.
In addition, by using a combination of software and hardware, the user can create up to eight independently programmable variables. These variables may include programming the actual wiper resistance, setting the power level, setting the temperature range and input impedance. Each variable can be further adjusted via address pins, allowing the user to control the parameters of the device using a simple I/O interface.
The primary application field for the DS1856E-030+T&R is audio control, where it is used to control volume, tone, balance and other audio functions. It is also ideal for use in precision signal conditioning applications, where its wide range of programmable features makes it particularly useful for controlling gain, offset, bias and frequency. It is also suited for power and industrial control, where its wide range of adjustable parameters allows for precise and variable control of process and instrumentation systems.
The DS1856E-030+T&R is an 8-bit voltage controlled device and provides linear resolution over the entire range of its programming range. The device is powered by a single 3V to 5.5V supply and has an operating temperature range of -40°C to +85°C. It features a minimum logic supply current and has the option of selectable output resistance ranges.
In terms of its working principle, the device employs a series of resistors and switches connected in an array and driven by a voltage reference. As the voltage reference is applied, the resistance of the array will change and, in turn, the output from the device will vary. The device then stores the user-specified values and when they are loaded, the output resistance will follow the same pattern. This allows the device to be used in dynamic control applications, as it can sense changes in the environment or user input and provide corresponding adjustment of its outputs.
The DS1856E-030+T&R is a versatile and economical solution for applications requiring precision and reliability in a wide range of temperatures and environments. With its wide range of adjustable features and programmable variables, it provides the user with a robust, low power, and high resolution solution for a variety of applications. The device also offers a simple I/O interface for controlling the device’s parameters, making it a cost-effective solution for a variety of applications.
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