Texas Instruments INA149-EP
The INA149 is a precision unity-gain difference amplifier with a very high input common-mode voltage range. It is a single, monolithic device that consists of a precision op amp and an integrated thin-film resistor network. The INA149 can accurately measure small differential voltages in the presence of common-mode signals up to ±275 V.| Part No. | INA149-EP |
|---|---|
| Datasheet | INA149-EP Download |
| Manufacturer |  Texas Instruments |
| Description | Voltage Difference Amplifier |
| Buy | Stock & Price |
FEATURES
1●2 Common-Mode Voltage Range: ±275 V
● Minimum CMRR: 84 dB from –55°C to +125°C
● DC Specifications: – Maximum Offset Voltage: 3500 μV – Maximum Gain Error: 0.047% – Maximum Gain Nonlinearity: 0.001% FSR at 25°C
● AC Performance: – Bandwidth: 500 kHz – Typical Slew Rate: 5 V/μs
● Wide Supply Range: ±2.0 V to ±18 V – Maximum Quiescent Current: 1100 μA – Output Swing on ±15-V Supplies: ±13.5 V
● Input Protection: – Common-Mode: ±500 V – Differential: ±500 V
APPLICATIONS
● High-Voltage Current Sensing● Battery Cell Voltage Monitoring
● Power-Supply Current Monitoring
● Motor Controls
● Replacement for Isolation Circuits SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL
APPLICATIONS
● Controlled Baseline● One Assembly/Test Site
● One Fabrication Site
● Available in Military (–55°C/125°C) Temperature Range(1)
● Extended Product Life Cycle
● Extended Product-Change Notification
● Product Traceability Common−Mode Rejection Ratio (dB) 120 110 100 90 80 70 60 50 40 10 INA149 Competitor A 10...
