ADN2850BCPZ25

Memory Type:	Non-Volatile
Base Part Number:	ADN2850
Supplier Device Package:	16-LFCSP-WQ (5x5)
Package / Case:	16-WQFN Exposed Pad, CSP
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	50
Temperature Coefficient (Typ):	35 ppm/°C
Tolerance:	±8%
Features:	Cascade Pin
Voltage - Supply:	2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V
Series:	--
Interface:	SPI
Resistance (Ohms):	25k
Number of Taps:	1024
Number of Circuits:	2
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tray

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Introduction

ADN2850BCPZ25 is a digital potentiometer IC manufactured by Analog Devices, Inc (ADI). It is a low-power integrated circuit that provides a high level of precision, linearity, and repeatability. The device features an adjustable gain amplifier and a temperature-stable, low noise reference circuit. ADN2850BCPZ25 is also known as a programmable gain amplifier (PGA), which is a device used to adjust the input signal level to a higher or lower level. The PGA also offers flexibility in gain selection and can be used to extend the dynamic range of high-resolution signals. This device is typically used in applications such as audio processing, active filters, automatic gain control systems, and analog-to-digital converters.

Application Field

ADN2850BCPZ25 is used primarily in digital audio processing. As an adjustable gain amplifier, it can be used to compensate for different microphone sensitivities and/or adjust signal levels. It can also be used in active filters for signal conditioning and signal amplification. The device can be used in analog-to-digital signal converters to accurately convert analog signals to their digital representations. Additionally, it can be used in automatic gain control (AGC) systems to reduce signal noise and improve signal-to-noise ratio (SNR).

Working Principle

The ADN2850BCPZ25 programmable gain amplifier features a low-power, integrated circuit with an adjustable, high-precision, single-ended gain amplifier. It utilizes a temperature-stable, low noise reference circuit that maintains high accuracy even in the presence of variances in temperature and device aging. The gain can be adjusted using a low power, 12-bit digital-to-analogue converter (DAC). The ADN2850BCPZ25 can provide gain values of up to 59dB and can be programmed from a PC or microcontroller via the I2C or SPI interface. The adjustable gain amplifier also provides a high degree of linearity and repeatability and is designed for stable operation in low noise environments.

Conclusion

The ADN2850BCPZ25 is a full-featured 3-terminal digital potentiometer IC from Analog Devices, Inc. It is designed for digital audio processing, active filters, analog-to-digital signal conversion, and automatic gain control applications. The device utilizes a high-precision, single-ended gain amplifier and features a low-power, integrated circuit with adjustable gain. It offers excellent linearity and repeatability and is capable of providing gains up to 59dB. The gain can be programmed using a low-power, 12-bit DAC. The ADN2850BCPZ25 is a high-performance device that provides a wide range of features and flexible operation.

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