INA125PAG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The INA125PAG4 is a precision instrumentation amplifier with an integrated precision voltage reference in a 16-pin DIP package. It offers a minimum 100-dB CMRR, 250-µV max input offset voltage, and 0.05-µA max bias current for accurate signal conditioning. Available in stock worldwide with RoHS-compliant lead-free construction.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- INA125PAG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.7700(MOQ 40)
- 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 INA125PAG4?
- Integrated precision voltage reference eliminates external reference components
- 100-dB minimum CMRR for excellent common-mode noise rejection
- Ultra-low 0.025-µA bias current at 25°C for high-impedance source measurements
- 250-µV maximum input offset voltage for precision signal conditioning
- 5-pA maximum input offset current for minimal source loading
What is INA125PAG4 used for?
The INA125PAG4 is well-suited for precision sensor signal conditioning applications such as bridge amplifiers, thermocouple and RTD temperature measurements, and strain gauge interfaces where high common-mode rejection and low offset are critical. Its integrated precision voltage reference makes it ideal for self-contained measurement systems in industrial instrumentation and medical equipment. The low bias current enables accurate measurements from high-impedance sensor sources without loading effects.
What are the specifications of INA125PAG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | INSTRUMENTATION AMPLIFIER |
| Average Bias Current-Max (IIB) | 0.05 µA |
| Bandwidth (3dB)-Nom | 0.15MHz |
| Bias Current-Max (IIB) @25C | 0.025 µA |
| Common-mode Reject Ratio-Min | 100dB |
| Input Offset Current-Max (IIO) | 0.000005 µA |
| Input Offset Voltage-Max | 250 µV |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Non-linearity-Max | 0.004% |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.2V/us |
| Supply Current-Max | 0.525mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Voltage Gain-Max | 10000 |
| Voltage Gain-Min | 4 |
| Voltage Gain-Nom | 10 |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Mexico |
Where can I find the INA125PAG4 datasheet?
INA125PAG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for INA125PAG4?
Compatible alternatives and drop-in replacements for INA125PAG4:
Amplifier, 1 Func, 250uV Offset-Max, 0.15MHz Band Width, CMOS, PDIP16
Amplifier, 1 Func, 250uV Offset-Max, 0.15MHz Band Width, CMOS, PDIP16
Frequently Asked Questions
What is the CMRR of the INA125PAG4 and why is it important?
The INA125PAG4 has a minimum common-mode rejection ratio (CMRR) of 100-dB, which means it effectively suppresses common-mode interference and noise present on both differential input lines. This high CMRR is critical in industrial environments where 50/60-Hz power-line noise or other common-mode signals can corrupt small sensor measurements.
Does the INA125PAG4 include an internal voltage reference?
Yes, the INA125PAG4 integrates a precision voltage reference, which simplifies system design by eliminating the need for an external reference component. This built-in reference can be used to bias the output mid-supply or to provide a precision voltage for bridge excitation, reducing component count and board space in measurement applications.
What are the key accuracy specifications of the INA125PAG4?
Key accuracy specifications include a maximum input offset voltage of 250-µV, a maximum bias current of 0.05-µA, a maximum input offset current of 5-pA, and a 3-dB bandwidth of 0.15-MHz. These parameters make the INA125PAG4 suitable for precision DC and low-frequency AC signal conditioning where gain accuracy and offset errors must be tightly controlled.
What package does the INA125PAG4 use and is it RoHS compliant?
The INA125PAG4 comes in a 16-pin plastic dual-in-line package (PDIP-16), which is easy to prototype on breadboards and through-hole PCBs. It is fully RoHS compliant and lead-free, as indicated by the /G4 suffix, meeting environmental requirements for global markets.
What are typical applications for the INA125PAG4?
The INA125PAG4 is commonly used in precision bridge amplifiers for load cells and pressure sensors, thermocouple and RTD temperature measurement systems, strain gauge signal conditioning, and medical instrumentation. Its high CMRR of 100-dB and integrated voltage reference make it an excellent choice for any application requiring accurate differential measurement of small signals in noisy environments.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
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 |
|---|---|---|
| 40+ | $7.4500 | $298.00 |
| 200+ | $5.1651 | $1033.02 |
| 1000+ | $5.0700 | $5070.00 |
| 10000+ | $4.7700 | $47700.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit