INA2321EA/250 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The INA2321EA/250 is a micropower, single-supply CMOS instrumentation amplifier from Texas Instruments with a 0.5 MHz bandwidth and 80 dB minimum CMRR. It features an ultra-low bias current of 0.00001 µA and 1000 µV maximum input offset voltage in a 14-pin SOIC package. RoHS compliant and available in stock worldwide.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- INA2321EA/250 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.0280(MOQ 1)
- 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 INA2321EA/250?
- Ultra-low input bias current of 0.00001 µA (10 pA max) enabling precise measurement of high-impedance sensors without signal loading
- Single-supply CMOS operation ideal for battery-powered and low-voltage instrumentation systems
- Minimum 80 dB common-mode rejection ratio ensuring accurate differential signal measurement in noisy environments
- 0.5 MHz bandwidth supporting both DC precision measurements and moderate-frequency signal acquisition applications
What is INA2321EA/250 used for?
The INA2321EA/250 is ideal for precision data acquisition systems, portable medical instruments, and battery-powered sensor interfaces where ultra-low power consumption and high input impedance are critical. Its single-supply CMOS design makes it well-suited for bridge sensor amplification, thermocouple conditioning, and low-level signal amplification in handheld instrumentation. The device is also commonly used in industrial process control and wearable health monitoring devices requiring accurate differential measurement.
What are the specifications of INA2321EA/250?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | INSTRUMENTATION AMPLIFIER |
| Average Bias Current-Max (IIB) | 0.00001 µA |
| Bandwidth (3dB)-Nom | 0.5MHz |
| Bias Current-Max (IIB) @25C | 0.00001 µA |
| Common-mode Reject Ratio-Min | 80dB |
| Input Offset Current-Max (IIO) | 0.00001 µA |
| Input Offset Voltage-Max | 1000 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Non-linearity-Max | 0.01% |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.4V/us |
| Supply Current-Max | 0.14mA |
| Supply Voltage Limit-Max | 7.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| 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) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Where can I find the INA2321EA/250 datasheet?
INA2321EA/250 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for INA2321EA/250?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input bias current of the INA2321EA/250?
The INA2321EA/250 has an exceptionally low maximum input bias current (IIB) of 0.00001 µA (10 pA) at 25°C, making it ideal for interfacing with high-impedance sensors such as pH electrodes, photodiodes, and piezoelectric transducers.
What is the bandwidth of the INA2321EA/250?
The INA2321EA/250 has a nominal 3 dB bandwidth of 0.5 MHz, providing sufficient frequency response for precision DC measurement applications as well as moderate-frequency AC signal conditioning in instrumentation systems.
What package is the INA2321EA/250 available in?
The INA2321EA/250 is packaged in a 14-pin SOIC (R-PDSO-G14, JESD-30 code), a small surface-mount outline package that is widely supported by PCB assembly processes and offers a good balance between size and thermal dissipation.
What is the common-mode rejection ratio of the INA2321EA/250?
The INA2321EA/250 provides a minimum CMRR of 80 dB, which ensures effective rejection of common-mode interference and noise on both input lines, critical for accurate differential measurements in industrial and medical environments.
Can the INA2321EA/250 operate from a single supply?
Yes, the INA2321EA/250 is specifically designed for single-supply operation using CMOS technology, making it highly suitable for battery-powered portable instruments, wearable devices, and low-voltage data acquisition systems where dual supply rails are not available.
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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+ | $3.1310 | $3.13 |
| 10+ | $3.0800 | $30.80 |
| 25+ | $3.0280 | $75.70 |
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