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AD623BRZ

Name: AD623BRZ
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8SOIC

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Mfr。パート #AD623BRZ
パッケージ SOIC-8
データシート AD623BRZ DataSheet
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仕様

Package	Tube
ProductStatus	Active
AmplifierType	Instrumentation
NumberofCircuits	1
OutputType	Rail-to-Rail
SlewRate	0.3V/µs
-3dbBandwidth	800 kHz
Current-InputBias	17 nA
Voltage-InputOffset	25 µV
Current-Supply	375µA
Voltage-SupplySpan(Min)	2.7 V
Voltage-SupplySpan(Max)	12 V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概要

Description

The AD623BRZ is a precision instrumentation amplifier designed for low-power applications, particularly in medical and industrial instrumentation. It offers high input impedance, low offset voltage, and low noise, making it suitable for amplifying small differential signals in the presence of common-mode voltages.
Key features include a gain range from 1 to 1000, set by a single external resistor, and a wide supply voltage range of ±2.5V to ±18V, allowing for flexibility in various applications. The AD623 operates with low quiescent current, making it ideal for battery-operated devices.
Additionally, it includes rail-to-rail output, enhancing its ability to drive loads effectively. The device is housed in a small 8-lead SOIC package, facilitating integration into compact designs. Its applications span medical devices like ECG and EEG, as well as industrial sensors and data acquisition systems. Overall, the AD623BRZ is a versatile choice for accurately amplifying low-level signals in challenging environments.

Features

The AD623BRZ is a precision instrumentation amplifier designed for applications requiring high accuracy and low noise. Key features include:
1. Low Power Consumption: Operates on a single supply voltage, making it suitable for battery-powered devices.
2. High Common-Mode Rejection Ratio (CMRR): Excellent rejection of common-mode signals, enhancing signal integrity.
3. Low Offset Voltage: Provides high precision by minimizing offset errors.
4. Wide Operating Voltage Range: Supports a supply voltage from 2.2V to 36V.
5. Programmable Gain: Gain can be set using a single external resistor, offering flexibility for various applications.
6. High Input Impedance: Ensures minimal loading on the signal source, ideal for interfacing with high-impedance sensors.
7. Small Package Size: Available in an 8-lead MSOP package, suitable for compact designs.
These features make the AD623BRZ ideal for medical instrumentation, data acquisition systems, and any application requiring precise low-level signal amplification.

Package

The AD623BRZ is packaged in a 8-lead SOIC (Small Outline Integrated Circuit) format.

Pinout

The AD623BRZ is an instrumentation amplifier with a pin count of 8. The pin functions are as follows:
1. V+ (Pin 1): Positive power supply.
2. V- (Pin 2): Negative power supply.
3. RG (Pin 3): Gain setting resistor input; sets the gain of the amplifier.
4. In+ (Pin 4): Non-inverting input.
5. In- (Pin 5): Inverting input.
6. VOUT (Pin 6): Output voltage.
7. NC (Pin 7): No connection; leave open.
8. REF (Pin 8): Reference voltage input for offset adjustment.
The AD623 is designed for low power and precision applications, making it suitable for sensor signal amplification.

Manufacturer

The AD623BRZ is manufactured by Analog Devices, Inc. (ADI), a leading global company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits (ICs). Founded in 1965, Analog Devices primarily serves industries such as telecommunications, automotive, healthcare, and industrial automation. Their products are widely used in applications that require high-performance signal processing, data conversion, and power management. ADI is known for its innovation and is a key player in the semiconductor industry, focusing on solutions that enhance the performance and efficiency of electronic systems.

Application

The AD623BRZ is an instrumentation amplifier commonly used in precision measurement applications such as biomedical signal processing (e.g., ECG, EEG), industrial process controls, sensor signal conditioning (e.g., thermocouples and strain gauges), and data acquisition systems. It provides high input impedance, low noise, and excellent common-mode rejection, making it ideal for amplifying low-level signals in noisy environments.

Equivalent

The AD623BRZ is a low-power instrumentation amplifier. Equivalent products include the INA199, INA128, and MCP6002. These alternatives may vary slightly in specifications such as gain bandwidth, supply voltage, and current consumption, so it’s essential to review the datasheets for specific application requirements.