TL031CDRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TL031CDRG4 is an enhanced JFET-input, low-power precision operational amplifier in SOIC-8 package, featuring 70 dB minimum CMRR, 4.5 mV max input offset voltage, and 0.2 pA typical bias current. Designed for high-impedance sensor interfaces, precision signal conditioning, and instrumentation applications where ultra-low input bias current and low power consumption are critical. Available from authorized distributors worldwide with same-day shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TL031CDRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL031CDRG4?
- Enhanced JFET input stage with ultra-low bias current of 0.2 pA typical, ideal for high-impedance signal sources
- Low power consumption suitable for battery-operated and portable precision measurement systems
- Minimum 70 dB common-mode rejection ratio (87 dB typical) for superior noise rejection in differential measurements
- Maximum 4.5 mV input offset voltage for precision DC accuracy in instrumentation and sensor interfaces
- Frequency compensation included for stability across a wide range of load conditions
- SOIC-8 (Small Outline) package in RoHS-compliant, tape-and-reel (G4) format for automated PCB assembly
What is TL031CDRG4 used for?
The TL031CDRG4 is well-suited for precision instrumentation amplifiers, medical measurement equipment, and scientific data acquisition systems where ultra-low input bias current is essential for high-impedance sensor interfacing. It is commonly deployed in pH meter front-ends, photodiode transimpedance amplifiers, precision integrators, and industrial process control signal conditioning circuits. Its low power profile also makes it attractive for portable and battery-powered analog measurement devices requiring long operational lifetime.
What are the specifications of TL031CDRG4?
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0004 µA |
| Bias Current-Max (IIB) @25C | 0.0002 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 87dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0002 µA |
| Input Offset Voltage-Max | 4500 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 2.2V/us |
| Supply Current-Max | 0.25mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIFET |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 1000 |
| Voltage Gain-Min | 4000 |
| Wideband | NO |
| 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 |
Where can I find the TL031CDRG4 datasheet?
TL031CDRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TL031CDRG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input bias current of the TL031CDRG4?
The TL031CDRG4 features an ultra-low input bias current of 0.2 pA typical at 25°C and a maximum average bias current of 0.4 pA, making it ideal for interfacing with high-impedance sensors such as photodiodes, pH electrodes, and piezoelectric transducers without loading the signal source.
What is the common-mode rejection ratio (CMRR) of the TL031CDRG4?
The TL031CDRG4 provides a minimum CMRR of 70 dB and a typical CMRR of 87 dB. This high common-mode rejection ensures accurate differential signal amplification in noisy industrial environments, making it suitable for instrumentation amplifier front-ends and sensor bridge measurement circuits.
What package does the TL031CDRG4 come in and what does the G4 suffix mean?
The TL031CDRG4 is supplied in an SOIC-8 (Small Outline Integrated Circuit, 8-pin) package. The 'D' suffix denotes the SOIC package, 'R' indicates tape-and-reel packaging, and 'G4' signifies RoHS-compliant and lead-free (Pb-free) construction per Texas Instruments' green product designation, meeting international environmental standards.
What is the maximum input offset voltage of the TL031CDRG4?
The TL031CDRG4 specifies a maximum input offset voltage of 4,500 µV (4.5 mV). For applications requiring tighter DC accuracy, Texas Instruments offers other precision op-amp variants with lower offset voltages. This offset should be considered when designing precision DC measurement or integrator circuits using this device.
Is the TL031CDRG4 RoHS compliant and suitable for lead-free PCB assembly?
Yes, the TL031CDRG4 is fully RoHS compliant and lead-free, as indicated by the G4 suffix in its part number. It is compatible with standard lead-free soldering processes including SAC305 and is available in tape-and-reel format for automated surface-mount PCB assembly in high-volume manufacturing environments.
What are the typical applications for the TL031CDRG4 operational amplifier?
The TL031CDRG4 is widely used in precision instrumentation, medical measurement equipment, photodiode transimpedance amplifiers, pH meter front-ends, precision integrators, and industrial sensor signal conditioning. Its combination of JFET inputs with ultra-low bias current and low power consumption makes it particularly effective in portable scientific instruments, data acquisition systems, and any application requiring accurate amplification of signals from high-impedance sources.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”
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