AD8403AR10-REEL

Memory Type:	Volatile
Base Part Number:	AD8403
Supplier Device Package:	24-SOIC
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	200
Temperature Coefficient (Typ):	500 ppm/°C
Tolerance:	±20%
Features:	Cascade Pin
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	SPI
Resistance (Ohms):	10k
Number of Taps:	256
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The AD8403AR10-REEL is a digital potentiometer-programmable gain amplifier (PGA) that is available in a 10-pin package. It is designed to provide excellent performance and wide dynamic range over temperature and voltages. This product is ideal for eliminating the effects of drift over time, temperature and voltage for low-slew-rate applications such as data acquisition systems.

Application Fields

The AD8403AR10-REEL can be used in many applications as it provides wide dynamic range over temperature and voltages. It can be used in data acquisition systems such as in controlling the gain of various sensors, amplifiers and transducers. Other applications where this device can be used are the audio and power supply control, the vibration measurement and control applications, the automotive system and the medical device.

Working Principle

The working principle of the AD8403AR10-REEL is based on the use of a digitally programmable, single-ended, gain amplifier. This device incorporates an on-chip adjustable digital potentiometer, allowing the user to adjust the signal-conditioning gain of the device. This digital potentiometer consists of a network of resistive switches that can be controlled via an 8-bit digital input to rapidly adjust the gain of the device.The AD8403AR10-REEL also includes an on-chip voltage reference and current-sensing circuit, which allows to monitor circuit conditions and provide accurate signal conditioning over temperature and voltage. The device is capable of providing gain settings ranging from 0.1 to 15X and can process inputs ranging from 2.7V up to 5.5V while operating over temperature range of -40°C to +85°C.

Conclusion

The AD8403AR10-REEL is a digital potentiometer-programmable gain amplifier that is available in a 10-pin package. It can be used in many applications such as data acquisition systems, audio and power supply control, vibration measurement and control, automotive systems and medical devices. It offers wide dynamic range over temperature and voltages and it can process inputs ranging from 2.7V up to 5.5V while operating over temperature range of -40°C to +85°C. The working principle is based on the use of digitally programmable resistive switches that are controlled via an 8-bit digital input.

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