The INA333AIDGKRG4 is a precision low-power instrumentation amplifier manufactured by Texas Instruments. This device is designed for accurate differential signal amplification in applications requiring high precision, low offset voltage, low noise, and minimal power consumption. The amplifier architecture provides excellent common-mode rejection performance, making it highly suitable for amplifying low-level sensor signals in electrically noisy environments.
The device is optimized for battery-powered and portable systems where low quiescent current and high measurement accuracy are critical. It is widely used in medical instrumentation, industrial sensing systems, bridge amplifier circuits, data acquisition hardware, sensor interfaces, portable measurement equipment, and embedded analog front-end applications.
The INA333AIDGKRG4 integrates precision analog circuitry within a compact surface-mount package while supporting rail-to-rail output operation and single-supply functionality. Its low drift characteristics and stable performance across varying environmental conditions make it suitable for high-accuracy instrumentation and long-term measurement systems.
Engineering Specification
Device Type
Precision instrumentation amplifier
Amplifier Architecture
Differential instrumentation amplifier
Input Characteristics
High input impedance with low offset voltage
Signal Performance
Low-noise precision analog signal amplification
Common-Mode Rejection
High common-mode rejection ratio for noise suppression
Gain Characteristics
Externally configurable gain setting capability
Power Characteristics
Low-power operation optimized for portable systems
Output Characteristics
Rail-to-rail output operation support
Supply Configuration
Single-supply and low-voltage analog operation
Thermal Characteristics
Low offset drift and stable thermal performance
Package Type
VSSOP surface-mount package
Mounting Style
Surface mount technology
Applications
Sensor signal conditioning
Medical instrumentation
Bridge amplifier systems
Industrial automation
Data acquisition systems
Portable measurement devices
Embedded analog front-end circuits
Strain gauge amplification
Battery-powered instrumentation
Precision sensing applications
Manufacturer
Texas Instruments