Overview
The INA105KU/2K5 is a precision unity gain differential amplifier produced by Texas Instruments. This monolithic device integrates a precision operational amplifier and on-chip metal film resistors, which are laser trimmed for accurate gain and high common-mode rejection. The INA105KU/2K5 is designed to provide a precise differential amplifier function without the need for an external precision resistor network, making it a versatile component for various analog signal processing applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | INA105KU/2K5 | |
| Amplifier Type | Differential Amplifier | |
| Number of Amplifiers | 1 | |
| Package Type | SOIC-8 | |
| Operating Temperature Range | -40°C to 85°C | |
| Supply Voltage | ±15V | |
| Bandwidth | 1 MHz | |
| Slew Rate | 3 V/μs (Typ), 2 V/μs (Min) | |
| Input Offset Voltage | 250 μV (Max) | |
| Common Mode Rejection Ratio (CMRR) | 90 dB (Typ), 86 dB (Min) | |
| Power Supply Rejection Ratio (PSRR) | 120 dB (Typ) | |
| Maximum Supply Current | 2 mA | |
| Terminal Finish | Nickel Palladium Gold |
Key Features
- Precision unity gain differential amplifier with integrated metal film resistors.
- Laser-trimmed resistors for high accuracy and common-mode rejection.
- Operates with supply voltages up to ±18V.
- High common-mode rejection ratio (CMRR) of up to 90 dB.
- Low input offset voltage of 250 μV (max).
- High slew rate of 3 V/μs (typ) and 2 V/μs (min).
- Available in SOIC-8 package.
- RoHS compliant.
Applications
- Analog signal processing and conditioning.
- Differential signal amplification in industrial and medical devices.
- High-precision measurement and instrumentation.
- Audio and video signal processing.
- Automotive and aerospace applications requiring high reliability and precision.
Q & A
- What is the primary function of the INA105KU/2K5?
The INA105KU/2K5 is a precision unity gain differential amplifier.
- What is the operating temperature range of the INA105KU/2K5?
The operating temperature range is -40°C to 85°C.
- What is the maximum supply voltage for the INA105KU/2K5?
The maximum supply voltage is ±18V.
- What is the typical bandwidth of the INA105KU/2K5?
The typical bandwidth is 1 MHz.
- What is the common-mode rejection ratio (CMRR) of the INA105KU/2K5?
The CMRR is up to 90 dB (typ) and 86 dB (min).
- What is the input offset voltage of the INA105KU/2K5?
The maximum input offset voltage is 250 μV.
- What is the slew rate of the INA105KU/2K5?
The slew rate is 3 V/μs (typ) and 2 V/μs (min).
- In what package is the INA105KU/2K5 available?
The INA105KU/2K5 is available in an SOIC-8 package.
- Is the INA105KU/2K5 RoHS compliant?
Yes, the INA105KU/2K5 is RoHS compliant.
- What are some common applications of the INA105KU/2K5?
Common applications include analog signal processing, differential signal amplification, high-precision measurement, and audio/video signal processing.
