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AD8400AR100

Name: AD8400AR100
Rating: 4.7 (12 reviews)

IC DGTL POT 100KOHM 256TAP 8SOIC

Производитель
Мфр. Часть #AD8400AR100
Пакет
Лист данных AD8400AR100 DataSheet
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Спецификации

Part Status	Obsolete
DigiKey Programmable	Not Verified
Taper	Linear
Configuration	Potentiometer
Number of Circuits	1
Number of Taps	256
Resistance (Ohms)	100k
Interface	SPI
Memory Type	Volatile
Voltage - Supply	2.7V ~ 5.5V
Tolerance	±30%
Temperature Coefficient (Typ)	500ppm/°C
Mounting Type	Surface Mount
Supplier Device Package	8-SOIC
Package / Case	8-SOIC (0.154", 3.90mm Width)
Operating Temperature	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ)	200
Base Product Number	AD8400

Обзор

Description

The AD8400AR100 is a digital potentiometer from Analog Devices, part of the AD8400 series. It is a single-channel device designed for applications that require programmable resistance settings. The "100" in its name indicates that it has a total resistance of 100 kΩ. This digital potentiometer uses a simple SPI-compatible interface for control, allowing for easy integration with microcontrollers and other digital systems.
Key features include 256 possible wiper positions, offering precision in resistance adjustments, a compact and robust SOIC-8 package, and a wide operating voltage range typically from 2.7V to 5.5V. The device is suitable for applications in audio equipment, instrumentation, and other circuits where variable resistance is needed. The AD8400AR100 is well-suited for both prototyping and production environments due to its reliability and ease of use in digital control systems.

Features

The AD8400AR100 is a digital potentiometer that features a 256-position adjustment, which allows precise control over resistance settings. It operates via a simple 3-wire serial interface, compatible with standard microcontroller and DSP communication protocols. The device offers a 100 kΩ nominal resistance value, with a tolerance typically around ±20%. The AD8400 is designed for single-supply operation, with a voltage range from 2.7 V to 5.5 V.
Key features include a low standby power consumption and a power-on reset that sets the wiper to midscale, ensuring consistent startup behavior. The compact SOIC-8 package makes it suitable for space-constrained applications. Its applications are vast, including gain control, offset adjustment, and programmable voltage reference in various electronic circuits.
The AD8400AR100's reliability, ease of integration, and precision make it suitable for both consumer electronics and industrial applications where fine-tune control of resistance is essential.

Package

The AD8400AR100 is a digital potentiometer from Analog Devices. It comes in an SOIC-8 (Small Outline Integrated Circuit) package, which is a type of surface-mount technology (SMT) package. The "R" in the part number indicates this SOIC package.

Pinout

The AD8400AR100 is a digital potentiometer from Analog Devices. It is a single-channel device with a pin count of 8 pins. The main functions of the AD8400AR100 include:
1. Digital Interface: Utilizes a simple 3-wire SPI-compatible interface for digital control.
2. Resistor Network: Offers a 100 kΩ end-to-end resistance with 256 positions to adjust the wiper setting.
3. Wiper Position: The wiper position is controlled digitally, enabling precise adjustment of resistance for various applications.
4. Power Supply: Operates with a single supply voltage ranging from 2.7 V to 5.5 V.
5. Compact Package: Available in the SOIC-8 package, making it suitable for space-constrained designs.
This device is commonly used in applications like gain control, offset adjustment, and programmable voltage division. The AD8400AR100 is favored for its ease of use in digitally controlled systems requiring variable resistance.

Manufacturer

The AD8400AR100 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Wilmington, Massachusetts. The company specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. These products are used in various applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its expertise in data conversion and signal conditioning technologies, providing solutions that bridge the physical and digital worlds.

Application

The AD8400AR100 is a digital potentiometer used in various applications, including programmable gain and offset adjustment, programmable voltage and current references, sensor calibration, and audio signal processing. It is ideal for precision calibration and tuning in industrial and consumer electronics, instrumentation, and data acquisition systems. Its versatility in adjusting resistance digitally makes it useful in applications requiring fine-tuning and control of analog signals.

Equivalent

The AD8400AR100 is a digital potentiometer from Analog Devices. Equivalent products include:
1. MCP4131-103E/SN by Microchip Technology
2. X9C103 by Intersil (Renesas Electronics)
3. DS1803-010 by Maxim Integrated (Analog Devices)
These alternatives may vary in specifications, so verify compatibility with your application requirements before selecting a substitute.

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