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AD8429ARZ

Name: AD8429ARZ
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8SOIC

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製造商。部分 #AD8429ARZ
包 SOIC-8
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規格

Package	Tube
ProductStatus	Active
AmplifierType	Instrumentation
NumberofCircuits	1
SlewRate	22V/µs
-3dbBandwidth	15 MHz
Current-InputBias	300 nA
Voltage-InputOffset	150 µV
Current-Supply	6.7mA
Current-Output/Channel	35 mA
Voltage-SupplySpan(Min)	8 V
Voltage-SupplySpan(Max)	36 V
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

The AD8429ARZ is a precision, low-power instrumentation amplifier designed by Analog Devices. It features a low offset voltage and low noise, making it ideal for applications requiring high accuracy and stability, such as medical instrumentation, data acquisition, and industrial control systems. The amplifier offers a gain range of 1 to 1000, with excellent common-mode rejection and power supply rejection ratios, ensuring reliable performance in noisy environments.
The AD8429ARZ operates from a single or dual power supply, with a supply voltage range of ±2.5V to ±18V. Its input impedance is very high, which minimizes loading on the sensor, and it has a bandwidth of 1 MHz at a gain of 100. The device is housed in a compact 8-lead SOIC package, making it suitable for space-constrained applications. Overall, the AD8429ARZ provides versatility and precision for various electronic systems needing accurate signal amplification.

Features

The AD8429ARZ is a precision instrumentation amplifier designed for high-performance applications. Key features include:
1. High Gain: Fixed gain of 100, providing excellent signal amplification.
2. Low Noise: Input voltage noise of 4.5 nV/√Hz enables accurate signal measurements.
3. Wide Bandwidth: -3 dB bandwidth of 1 MHz ensures effective signal processing over a range of frequencies.
4. Low Offset Voltage: Typically 0.1 mV, minimizing errors in precision applications.
5. High CMRR: Common-mode rejection ratio of 130 dB helps maintain signal integrity in noisy environments.
6. Single-Supply Operation: Operates from a single supply voltage of 2.7 V to 36 V, offering flexibility in various designs.
7. Low Power Consumption: Consumes only 600 µA, suitable for battery-powered applications.
8. Rail-to-Rail Output: Maximizes dynamic range by allowing output swings close to the supply rails.
These features make the AD8429ARZ ideal for medical instrumentation, data acquisition, and industrial control systems.

Package

The AD8429ARZ is packaged in a 5-lead SOT-23 package.

Pinout

The AD8429ARZ is a low-power instrumentation amplifier with a pin count of 8. The functions of its pins are as follows:
1. Pin 1 (V+): Power supply positive terminal.
2. Pin 2 (RGC): Gain configuration pin; used to set the gain of the amplifier.
3. Pin 3 (V-): Power supply negative terminal.
4. Pin 4 (OUT): Output voltage.
5. Pin 5 (IN+): Non-inverting input.
6. Pin 6 (IN-): Inverting input.
7. Pin 7 (BYPASS): Bypass pin for the internal reference.
8. Pin 8 (NC): No connection; typically left unconnected.
The AD8429 is designed for precision applications, providing high input impedance and low offset voltage, making it suitable for signal conditioning in various sensor applications.

Manufacturer

The AD8429ARZ is manufactured by Analog Devices, Inc. (ADI), a global semiconductor company headquartered in Norwood, Massachusetts, USA. Founded in 1965, Analog Devices specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company primarily serves industries such as automotive, communications, healthcare, industrial automation, and consumer electronics. ADI is known for its innovation in data conversion, signal conditioning, and power management technologies, providing solutions that enable accurate and efficient processing of real-world signals. The AD8429ARZ is a low-noise, precision instrumentation amplifier, widely used in applications requiring high accuracy and low distortion.

Application

The AD8429ARZ is a low-noise instrumentation amplifier widely used in applications such as medical instrumentation (e.g., ECG, EEG), industrial process control, data acquisition systems, and sensor signal conditioning. Its high precision and low power consumption make it suitable for portable devices, as well as in automotive applications for sensor interfacing and monitoring systems.

Equivalent

The AD8429ARZ is a precision instrumentation amplifier. Equivalent products include:
1. INA188 - Texas Instruments
2. INA114 - Texas Instruments
3. LT1781 - Analog Devices
4. AD620 - Analog Devices
5. INA128 - Texas Instruments
These alternatives may vary in specifications, so it's essential to compare parameters like gain, bandwidth, and input impedance for specific applications.