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AD623BRZ
+BOMIC INST AMP 1 CIRCUIT 8SOIC
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ManufacturerAnalog Devices Inc.
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Mfr. Part #AD623BRZ
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Datasheet AD623BRZ DataSheet
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Package SOIC-8
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In Stock6859
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Specifications
| Attribute | Value |
| 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) |
Overview
Description
Key features of the AD623BRZ include:
1. Gain Range: The gain can be set from 1 to 1000 using a single external resistor, allowing flexibility in amplification needs.
2. Input: It features a rail-to-rail input and output, improving the dynamic range and allowing for single-supply operation from 3 V to 12 V.
3. CMRR: It has a high common-mode rejection ratio (CMRR), which minimizes the effect of noise and interference.
4. Low Power: The device consumes minimal power, making it suitable for battery-operated devices.
5. Package: The “BRZ” in its name denotes its packaging, which is a standard SOIC-8 package for easy integration into various circuit designs.
Overall, the AD623BRZ is ideal for precision signal amplification in compact, low-power applications.
Equivalent
1. INA126 by Texas Instruments
2. INA128 by Texas Instruments
3. MAX446 by Maxim Integrated
4. LT1167 by Analog Devices
5. MCP6N11 by Microchip Technology
These alternatives vary in specific features, so it's important to verify compatibility based on your application's requirements.
Features
The AD623BRZ has a gain range adjustable from 1 to 1000 via a single external resistor, allowing customization according to specific application needs. It also exhibits low power consumption, making it suitable for battery-operated devices. The device is housed in an 8-pin SOIC package, facilitating easy integration into circuit designs. Its robust performance, combined with ease of use, makes it a preferred choice for applications requiring accurate signal conditioning, such as medical instrumentation, sensor interfaces, and data acquisition systems.
Pinout
1. Pin 1 (REF): Reference voltage input. This pin is used to set the output voltage level.
2. Pin 2 (IN+): Non-inverting input terminal.
3. Pin 3 (IN-): Inverting input terminal.
4. Pin 4 (RG): Gain setting resistor. Connecting a resistor between this pin and ground sets the gain of the amplifier.
5. Pin 5 (V-): Negative power supply voltage.
6. Pin 6 (OUT): Output of the amplifier.
7. Pin 7 (V+): Positive power supply voltage.
8. Pin 8 (RG): Gain setting resistor. This pin is typically internally connected to Pin 4 for gain adjustment.
The AD623 is designed for low power, single or dual supply operation, and it is commonly used in precision data acquisition systems, medical instrumentation, and sensor signal conditioning.
Manufacturer
Application
1. Medical Instrumentation: For amplifying small biopotential signals in devices like ECGs and EEGs.
2. Industrial Process Controls: Utilized in sensor signal conditioning and data acquisition systems.
3. Weigh Scales: Enhances precision in load cell signal amplification.
4. Strain Gauge Signal Conditioning: Used in testing and measurement setups.
5. Portable Instrumentation: Suitable for battery-operated devices due to low power consumption.
6. Seismic and Vibration Monitoring: For capturing low-level signals in environmental sensing.
These applications leverage its high input impedance, low bias current, and wide gain range, making it versatile for precision measurements.