INA331IDGK Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
INA331IDGK is a low-power single-supply CMOS instrumentation amplifier from Texas Instruments in an 8-pin MSOP package. It delivers 90dB CMRR, 2MHz bandwidth, and 500µV max offset voltage for precision signal conditioning. From $3.50, available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- INA331IDGK Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of INA331IDGK?
- 90dB minimum CMRR with 0.01% max non-linearity for precision differential signal acquisition
- Ultra-low 0.00001µA bias and offset currents enabling accurate measurement from high-impedance sensors
- 2MHz bandwidth with single-supply CMOS operation in a compact 8-pin MSOP package
What is INA331IDGK used for?
The INA331IDGK is designed for precision signal conditioning in medical instrumentation, industrial sensor interfaces, and data acquisition systems. Its high CMRR and low offset current make it ideal for amplifying small differential signals from bridge sensors, thermocouples, and strain gauges in noisy environments. The single-supply CMOS design enables battery-powered and portable measurement applications with minimal quiescent current consumption.
What are the specifications of INA331IDGK?
| YTEOL | 0 |
| Amplifier Type | INSTRUMENTATION AMPLIFIER |
| Average Bias Current-Max (IIB) | 0.00001 µA |
| Bandwidth (3dB)-Nom | 2MHz |
| Common-mode Reject Ratio-Min | 90dB |
| Input Offset Current-Max (IIO) | 0.00001 µA |
| Input Offset Voltage-Max | 500 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e4 |
| Non-linearity-Max | 0.01% |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 5V/us |
| Supply Current-Max | 0.6mA |
| Supply Voltage Limit-Max | 7.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Voltage Gain-Max | 1000 |
| Voltage Gain-Min | 5 |
| Voltage Gain-Nom | 25 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the INA331IDGK datasheet?
INA331IDGK Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for INA331IDGK?
Compatible alternatives and drop-in replacements for INA331IDGK:
Instrumentation Amplifier, 1 Func, 500uV Offset-Max, 2MHz Band Width, CMOS, PDSO8
Instrumentation Amplifier, 1 Func, 500uV Offset-Max, 2MHz Band Width, CMOS, PDSO8
Frequently Asked Questions
In what systems does INA331IDGK make sense when 8-pin is required?
INA331IDGK is documented as a Integrated Circuit with a 8-pin characteristic, so designers can consider it for systems whose electrical, mechanical, and environmental requirements match official manufacturer data.
How should layout teams accommodate INA331IDGK and its 8-pin characteristic?
Engineers should verify the 8-pin characteristic together with the manufacturer footprint, pin mapping, orientation, clearances, and assembly profile before releasing a PCB that uses INA331IDGK.
Does procurement need to validate the 8-pin detail for INA331IDGK?
Procurement teams should confirm INA331IDGK, its documented 8-pin characteristic, lifecycle status, packaging, lot traceability, and approved-source documentation before committing any production order.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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