INA111BU Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
High Speed FET-Input Instrumentation Amplifier with 2 MHz bandwidth, 106 dB CMRR, and 500 µV max offset voltage. Ideal for precision signal conditioning. From $10.50, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- INA111BU Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $10.5000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of INA111BU?
- 2 MHz bandwidth with high-speed FET input for precision signal acquisition
- 106 dB minimum common-mode rejection ratio for excellent noise immunity
- Ultra-low input bias current of 0.00002 µA for high-impedance source compatibility
- 500 µV maximum input offset voltage ensuring accurate instrumentation
- Available in 16-pin Small Outline Package (SOIC) for compact PCB designs
What is INA111BU used for?
The INA111BU is widely used in medical instrumentation and industrial data acquisition systems where high-accuracy differential signal amplification is required. Its FET inputs and high CMRR make it ideal for bridge sensor amplification, electrocardiograph (ECG) front-ends, and strain gauge conditioning. It also suits precision test equipment and remote sensing applications that demand low noise and wide bandwidth.
What are the specifications of INA111BU?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | INSTRUMENTATION AMPLIFIER |
| Average Bias Current-Max (IIB) | 0.00002 µA |
| Bandwidth (3dB)-Nom | 2MHz |
| Bias Current-Max (IIB) @25C | 0.00002 µA |
| Common-mode Reject Ratio-Min | 106dB |
| Input Offset Current-Max (IIO) | 0.00001 µA |
| Input Offset Voltage-Max | 500 µV |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Non-linearity-Max | 0.02% |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 17V/us |
| Subcategory | Instrumentation Amplifier |
| Supply Current-Max | 4.5mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Gain-Max | 1000 |
| Voltage Gain-Min | 1 |
| Voltage Gain-Nom | 10 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Taiwan |
Where can I find the INA111BU datasheet?
INA111BU Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for INA111BU?
Compatible alternatives and drop-in replacements for INA111BU:
Instrumentation Amplifier, 1 Func, 502uV Offset-Max, 2MHz Band Width, PDSO16
Frequently Asked Questions
What is the bandwidth of the INA111BU?
The INA111BU provides a 3 dB bandwidth of 2 MHz, making it suitable for high-speed instrumentation applications that require accurate amplification of fast-varying differential signals.
What is the common-mode rejection ratio (CMRR) of the INA111BU?
The INA111BU features a minimum CMRR of 106 dB, which effectively suppresses common-mode noise and interference, ensuring accurate signal measurement in noisy industrial or medical environments.
What are typical applications for the INA111BU?
The INA111BU is typically used in medical ECG front-ends, bridge and strain gauge amplifiers, industrial data acquisition systems, and precision test equipment where low input bias current and high CMRR are critical.
What package does the INA111BU come in, and is it RoHS compliant?
The INA111BU is available in a 16-pin Small Outline (SOIC) package. It is Pb-free and RoHS compliant, making it suitable for modern eco-friendly electronic designs.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $11.2600 | $11.26 |
| 164+ | $11.2000 | $1836.80 |
| 358+ | $10.5000 | $3759.00 |
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