INA828IDR

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  • FabricanteTexas Instruments

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType Instrumentation
NumberofCircuits 1
SlewRate 1.2V/µs
-3dbBandwidth 2 MHz
Current-InputBias 150 pA
Voltage-InputOffset 20 µV
Current-Supply 600µA
Voltage-SupplySpan(Min) 4.5 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Visão Geral

Description

The INA828IDR is a precision instrumentation amplifier designed for a wide range of applications requiring high accuracy and excellent performance. It is part of Texas Instruments' INA828 series, known for its low noise, low offset voltage, and high common-mode rejection ratio (CMRR). The device is ideal for sensor signal conditioning and data acquisition systems, offering a wide gain range from 1 to 1000, which can be set by a single external resistor.
The INA828IDR operates over a supply voltage range of ±2.25V to ±18V, making it versatile for various power supply configurations. It features low input bias current, which minimizes errors in high-impedance sensor applications. Additionally, the amplifier provides high bandwidth and fast settling times, suitable for precision measurement systems.
Packaged in an 8-pin SOIC, the INA828IDR is designed for ease of use and integration into compact designs. Its robust design ensures reliable performance across temperature variations, making it suitable for industrial, medical, and aerospace applications.

Equivalent

The INA828IDR chip is a precision instrumentation amplifier from Texas Instruments. Equivalent or similar products include:
1. AD8221 from Analog Devices
2. MAX4462 from Maxim Integrated (Note: different performance specs)
3. LT1167 from Analog Devices (formerly Linear Technology)
4. MCP6N11 from Microchip Technology
These alternatives vary in specifications, so it's important to check their datasheets to ensure they meet your specific application requirements.

Features

The INA828IDR is a precision instrumentation amplifier from Texas Instruments designed for a wide range of applications. Key features include:
1. High Precision: It offers low offset voltage and low offset voltage drift, ensuring accurate signal amplification.
2. Low Noise: With a low input voltage noise density, it is suitable for precision measurements.
3. Wide Gain Range: The gain can be set from 1 to 1000 through an external resistor, providing flexibility in signal conditioning.
4. High Common-Mode Rejection Ratio (CMRR): It provides excellent rejection of unwanted noise and interference.
5. Wide Supply Range: Operates on a dual supply of ±2.25 V to ±18 V or a single supply of 4.5 V to 36 V, accommodating various power conditions.
6. Rail-to-Rail Output: The output range is nearly rail-to-rail, maximizing dynamic range.
7. Temperature Range: It functions effectively across a wide temperature range from -40°C to 125°C.
8. Small Package: Available in a compact MSOP-8 package, ideal for space-constrained applications.
These features make it suitable for precision data acquisition systems, medical instrumentation, and other applications requiring high accuracy and reliability.

Pinout

The INA828IDR is a precision instrumentation amplifier manufactured by Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of its pin functions:
1. V+ (Pin 8): Positive power supply.
2. V- (Pin 4): Negative power supply.
3. IN+ (Pin 3): Non-inverting input.
4. IN- (Pin 2): Inverting input.
5. RG (Pin 1): Gain setting resistor pin; connected to a resistor to set the amplifier's gain.
6. REF (Pin 5): Reference voltage input; sets the output voltage reference level.
7. OUT (Pin 6): Output; provides the amplified differential signal.
8. NC (Pin 7): No connection; typically not used in the circuit.
The INA828IDR is designed for accurate, low-noise amplification of small differential signals and is commonly used in applications requiring high precision, such as sensor signal conditioning and data acquisition systems.

Manufacturer

The INA828IDR is manufactured by Texas Instruments Incorporated, commonly known as TI. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits and processors. TI is known for its innovations in analog and digital signal processing, power management, and embedded processing, among other areas. The company serves various industries such as automotive, industrial, consumer electronics, and communications. With a strong focus on research and development, TI continually advances technology to provide high-performance, reliable products to its customers worldwide.

Application

The INA828IDR is a precision instrumentation amplifier commonly used in applications requiring accurate differential signal amplification. Its primary application areas include:
1. Medical Instrumentation: Enhances bio-signal acquisition, such as ECGs and EEGs, by providing high common-mode rejection.
2. Industrial Process Control: Monitors and controls sensor outputs in automation systems.
3. Test and Measurement: Amplifies weak signals for precise data acquisition in laboratory instruments.
4. Weighing Scales: Interfaces with load cells for accurate weight measurement.
5. Data Acquisition Systems: Provides reliable signal amplification in multi-channel systems.
6. Seismic and Geophysical Instruments: Amplifies low-level signals in sensitive geological equipment.
Its low noise, wide bandwidth, and high input impedance make it suitable for precision and low-power applications.

Package

The INA828IDR is an instrumentation amplifier from Texas Instruments and comes in a SOIC (Small Outline Integrated Circuit) package type, specifically an 8-pin SOIC-D.

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