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INA849DGKR

Name: INA849DGKR
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8VSSOP

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規格

Part Status	Active
Amplifier Type	Instrumentation
Number of Circuits	1
Slew Rate	35V/µs
-3db Bandwidth	1.25 MHz
Current - Input Bias	20 nA
Voltage - Input Offset	10 µV
Current - Supply	6.2mA
Current - Output / Channel	34 mA
Voltage - Supply Span (Min)	8 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP
Base Product Number	INA849
Gain Bandwidth Product	28 MHz

概述

Description

The INA849DGKR is a precision instrumentation amplifier designed for low-power applications, featuring a high common-mode rejection ratio (CMRR) and low offset voltage. It is particularly well-suited for amplifying low-level differential signals in noisy environments, making it ideal for sensor signal conditioning, medical instrumentation, and industrial process control.
Key features include a wide supply voltage range, typically from ±2.5V to ±18V, and a gain set through an external resistor, allowing flexibility in various applications. The INA849 also boasts low temperature drift, ensuring stability across varying operating conditions. Its low noise and high linearity further enhance performance, particularly in precision measurement systems.
The device comes in a compact, surface-mount package (DGK) that facilitates integration into space-constrained designs. Overall, the INA849DGKR is a robust choice for engineers needing reliable and accurate signal amplification in demanding applications.

Features

The INA849DGKR is a precision instrumentation amplifier designed for accurate and low-noise signal amplification in various applications. Key features include:
1. High Precision: Offers low offset voltage and low drift, ensuring accurate measurements.
2. Rail-to-Rail Output: Capable of outputting signals that utilize the full supply voltage range.
3. Low Noise: Designed to minimize noise, making it suitable for sensitive signal processing.
4. Wide Supply Voltage Range: Operates effectively from a single supply of 2.7V to 36V or dual supplies of ±1.35V to ±18V.
5. Gain Select: Provides fixed and adjustable gain options, enhancing flexibility in various applications.
6. Low Power Consumption: Consumes minimal power, making it ideal for battery-operated devices.
7. Temperature Range: Suitable for industrial applications with an extended operating temperature range.
These features make the INA849DGKR ideal for applications in medical instrumentation, industrial control, and sensor signal conditioning.

Package

The INA849DGKR is packaged in a 10-lead VSSOP (Very Thin Shrink Small Outline Package) format. This package type is designed for compact applications, providing a small footprint while maintaining performance.

Pinout

The INA849DGKR is a precision instrumentation amplifier with a pin count of 8. Its key functions include:
1. Input Pins (IN+ and IN-): These are the differential input terminals for the signals you want to measure.
2. Gain Setting (RG): Connected to a resistor to set the gain of the amplifier, allowing for flexibility in amplification according to application needs.
3. Output (OUT): This pin provides the amplified output signal.
4. Supply Voltage (V+ and V-): These pins are for connecting the positive and negative supply voltages required for the operation of the amplifier.
5. Reference (REF): This pin can be used to set a reference voltage for the output signal, which is useful in level-shifting applications.
Overall, the INA849DGKR is designed for low-power applications, providing high accuracy and low offset voltage.

Manufacturer

The INA849DGKR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including analog, digital signal processing, and embedded processing devices. Founded in 1930, the company is known for its innovation in the field of electronics and has a significant influence on both consumer and industrial markets. TI's products are widely used in applications such as automotive, communications, computing, and industrial systems, making it a key player in the global semiconductor industry.

Application

The INA849DGKR is a precision instrumentation amplifier widely used in applications such as medical devices (e.g., ECG, EEG), industrial sensor signal conditioning, data acquisition systems, and automotive sensors. Its low offset voltage and high common-mode rejection ratio make it suitable for amplifying small differential signals in noisy environments. Additionally, it is used in thermocouple and RTD signal processing, enabling accurate temperature measurements.

Equivalent

Equivalent products to the INA849DGKR include the INA128, INA134, and INA226, which are instrumentation amplifiers with similar functions. However, for direct replacements, consider the INA850 or INA851, which also offer low noise and high precision. Always verify specifications like gain, input offset voltage, and power supply requirements before substitution.