AD7781BRZ-REEL

Number of A/D Converters:	1
Base Part Number:	AD7781
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 105°C
Features:	PGA
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	2.7 V ~ 5.25 V
Reference Type:	External
Architecture:	Sigma-Delta
Series:	--
Ratio - S/H:ADC:	--
Configuration:	PGA-ADC
Data Interface:	SPI
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	16.7
Number of Bits:	20
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The AD7781BRZ-REEL is a high performance, low-power, 18-bit successive approximation self-calibrating analog-to-digital converter (ADC). It is primarily used in data acquisition systems, instrumentation, and other industrial and automotive applications that require accuracy and wide dynamic range.The AD7781BRZ-REEL has a technology known as Delta-Sigma and is made up of two stages: the Delta-Sigma modulator and the Digital Filter and Decoder (DFD). The Delta-Sigma modulator stage uses quantizing noise shaping to convert the differential input signal from the system into a continuous-time Pulse Width Modulated (PWM) output. This PWM output is then used to generate a digital output.The DFD stage of the AD7781BRZ-REEL then performs the necessary computations to produce the 18-bit data word. It works in combination with the Delta-Sigma modulator stage to achieve the required accuracy and wide dynamic range.The AD7781BRZ-REEL has a low-noise input/output (I/O) circuitry as well as an on-chip voltage reference. This allows it to provide an accurate output with high linearity and low-noise performance. It also features a unique input channel-to-channel isolation feature which eliminates the possibility of crosstalk. The AD7781BRZ-REEL offers high immunity to conducted interferences, as well as a low-power consumption and fast settling time. It is designed to be used in a variety of applications such as industrial process control, neural net networks, and automotive systems.The AD7781BRZ-REEL is suitable for applications that require high accuracy, low power consumption, and wide dynamic range. It is easy to integrate, making it ideal for a wide range of applications. With its unique features, this ADC is an excellent choice for applications that need to support high data rate sampling applications.The AD7781BRZ-REEL provides very low noise and high linearity with 18-bit resolution. The power consumption of the device is also low, making it suitable for applications that require battery operation. The device provides very low noise and high accuracy, making it an ideal choice for high-precision data acquisition systems.The AD7781BRZ-REEL has a wide dynamic range, excellent temperature stability and fast settling time. It is also designed to be easy to assemble and integrate into a wide variety of applications. In summary, the AD7781BRZ-REEL is a high performance, low-power, 18-bit successive approximation self-calibrating analog-to-digital converter that is intended for use in data acquisition systems, instrumentation, and other industrial and automotive applications that require accuracy and wide dynamic range. It has a low-noise input/output circuitry, a unique input channel-to-channel isolation feature and low-power consumption and fast settling time. The AD7781BRZ-REEL features excellent temperature stability, wide dynamic range and high efficiency, making it an ideal choice for applications that need to support high data rate sampling applications.

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