
INA118P
precision low-power instrumentation amplifier with resistor-programmable gain
Key details
| Part Number | INA118P |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Instrumentation Amplifier |
| Lifecycle Status | Last Time Buy |
| Series | INA118 |
| Package / Case | 8-pin PDIP |
| Pin Count | 8 |
| Operating Temperature | -40°C to +85°C |
| Last Verified | 2026-07-22 |
Part information
INA118P Overview
INA118P is a Texas Instruments precision low-power instrumentation amplifier with resistor-programmable gain supplied in 8-pin PDIP. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Gain Range | 1 to 10000 with one external resistor |
|---|---|
| Offset Voltage | 50 µV maximum class |
| Offset Drift | 0.5 µV/°C |
| CMRR | 110 dB at gain of 1000 |
| Supply Current | 350 µA typical |
Package and Ordering Notes
The listed package is 8-pin PDIP with 8 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Last Time Buy; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
INA118P is in a last-time-buy or planned-discontinuation phase. Confirm the deadline, remaining authorized stock and replacement plan.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Texas Instruments documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
INA118P FAQ
What is INA118P?
INA118P is a Texas Instruments precision low-power instrumentation amplifier with resistor-programmable gain. It belongs to the INA118 series.
What are the key specifications of INA118P?
Gain Range is 1 to 10000 with one external resistor, and Offset Voltage is 50 µV maximum class. Use the linked manufacturer datasheet for limits, test conditions and revision-controlled values.
What package does INA118P use?
INA118P is supplied in 8-pin PDIP with 8 pins, leads, lands or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is INA118P still in production?
INA118P has a last-time-buy or planned-discontinuation status. Confirm the final-order date and replacement plan directly with the manufacturer.
What should be checked before sourcing INA118P?
Confirm the complete MPN, electrical ratings, package, temperature grade and required quantity. Possible alternatives include INA818; verify supply range, gain equation, bandwidth and pin compatibility, but compatibility must be verified independently.
Lifecycle and sourcing review
Lifecycle information is shown for reference. Confirm current manufacturer documentation, availability and technical suitability before purchase.
INA118P is in a last-time-buy or planned-discontinuation phase. Confirm the deadline, remaining authorized stock and replacement plan.
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.