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AD823AARMZ

Name: AD823AARMZ
Rating: 4.7 (12 reviews)

IC OPAMP JFET 2 CIRCUIT 8MSOP

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規格

Part Status	Active
Amplifier Type	J-FET
Number of Circuits	2
Output Type	Rail-to-Rail
Slew Rate	35V/µs
Gain Bandwidth Product	10 MHz
Current - Input Bias	1.3 pA
Voltage - Input Offset	800 µV
Current - Supply	6.3mA (x2 Channels)
Current - Output / Channel	17 mA
Voltage - Supply Span (Min)	3 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-MSOP
Base Product Number	AD823
-3db Bandwidth	19 MHz

概述

Description

The AD823AARMZ is a low-power, instrumentation amplifier designed by Analog Devices, primarily for biomedical applications such as electrocardiogram (ECG) monitoring. It features a high common-mode rejection ratio (CMRR) and low noise, making it suitable for detecting weak bioelectric signals in the presence of noise.
Key attributes of the AD823AARMZ include a gain range of 1 to 100, a supply voltage range of 1.8V to 3.6V, and a low quiescent current of about 170 µA, allowing for extended battery life in portable devices. The amplifier is also designed to operate with high input impedances, which is crucial for minimizing signal distortion.
The device is packaged in a compact LFCSP (Lead Frame Chip Scale Package) for easy integration into small circuits. Its features make it an excellent choice for medical monitoring systems, fitness devices, and other applications requiring precise signal amplification with minimal power consumption.

Features

The AD823AARMZ is a precision instrumentation amplifier designed for low-power applications, particularly in medical and wearable devices. Key features include:
1. Low Power Consumption: Operates on a supply voltage of 1.8V to 3.6V, making it suitable for battery-powered devices.
2. High Common-Mode Rejection Ratio (CMRR): Offers excellent noise rejection in noisy environments.
3. Wide Bandwidth: Provides a bandwidth of 0.1 Hz to 150 kHz, suitable for biopotential measurements like ECG.
4. Low Input Offset Voltage: Ensures high accuracy in measurements, critical for sensitive applications.
5. Integrated Filters: Features bandpass filters for improved signal integrity.
6. Single-Supply Operation: Simplifies design by allowing single-supply operation from low voltage sources.
7. Low Noise: Provides low noise performance, enhancing the signal-to-noise ratio for clearer signals.
These features make the AD823AARMZ ideal for applications in health monitoring and portable medical devices.

Package

The AD823AARMZ is packaged in a 10-lead MSOP (Micro Small Outline Package) with a lead pitch of 0.65 mm. This compact package is designed for low-power applications, providing an efficient footprint for integrating the device into electronic circuits.

Pinout

The AD823AARMZ is a low-power instrumentation amplifier with a pin count of 8. Its primary functions include amplifying small differential signals while rejecting large common-mode voltages, making it suitable for biomedical applications, such as ECG monitoring.
The pin configuration is as follows:
1. Pin 1 (V+): Positive supply voltage.
2. Pin 2 (Rout): Output signal.
3. Pin 3 (GND): Ground connection.
4. Pin 4 (C1): Capacitor connection for stability.
5. Pin 5 (C2): Capacitor connection for gain setting.
6. Pin 6 (Ref): Reference voltage input.
7. Pin 7 (Gain): Gain setting resistor connection.
8. Pin 8 (V−): Negative supply voltage.
The AD823AARMZ is designed for low noise and high common-mode rejection, making it ideal for sensitive measurement applications.

Manufacturer

The manufacturer of the AD823AARMZ is Analog Devices, Inc. (ADI). Founded in 1965, Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company specializes in providing solutions for various applications, including automotive, communications, industrial automation, healthcare, and consumer electronics. ADI is known for its innovation in signal processing technology, offering a wide range of products that include amplifiers, converters, sensors, and signal conditioning devices. The AD823AARMZ is specifically an instrumentation amplifier designed for low-power applications, often used in medical devices and sensor signal processing.

Application

The AD823AARMZ is an integrated analog front end designed for biopotential measurements. Its application areas include ECG monitoring, EEG signal acquisition, wearable health devices, and other biomedical instrumentation. It is ideal for low-power, low-noise applications, making it suitable for portable health monitoring systems and medical diagnostics.

Equivalent

The AD823AARMZ is an instrumentation amplifier designed for low-power applications. Equivalent products include the INA128 (Texas Instruments), AD620 (Analog Devices), and MCP6V02 (Microchip). These alternatives also provide low noise, high precision, and suitable for medical or sensor applications. Always check specific datasheets for compatibility in your application.