OPA637BPG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The OPA637BPG4 is a precision high-speed FET-input operational amplifier from Texas Instruments with 80 MHz gain-bandwidth product, ±18 V supply range, and ultra-low bias current of 5 pA. Available in 8-pin DIP package for through-hole designs. From $8 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- OPA637BPG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -25.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of OPA637BPG4?
- 80 MHz gain-bandwidth product enables high-speed signal processing with stable closed-loop gain ≥5V/V
- Ultra-low input bias current of 5 pA max at 25°C, ideal for high-impedance source measurements
- Wide ±18 V supply range with 116 dB typical common-mode rejection ratio for precision differential applications
What is OPA637BPG4 used for?
The OPA637BPG4 is well-suited for precision instrumentation amplifiers, active filters, and photodiode transimpedance amplifiers requiring low noise and high bandwidth. Its 5 pA input bias current and 250 µV offset voltage make it an excellent fit for medical sensors and scientific measurement equipment. It also excels in data acquisition front-ends and high-speed signal conditioning circuits operating from ±15 V dual supplies.
What are the specifications of OPA637BPG4?
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.001 µA |
| Bias Current-Max (IIB) @25C | 0.000005 µA |
| Common-mode Reject Ratio-Min | 106dB |
| Common-mode Reject Ratio-Nom | 116dB |
| Frequency Compensation | YES (AVCL>=5) |
| Input Offset Current-Max (IIO) | 0.000005 µA |
| Input Offset Voltage-Max | 250 µV |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power | YES |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 100V/us |
| Slew Rate-Nom | 135V/us |
| Supply Current-Max | 7.5mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 80000 |
| Voltage Gain-Min | 200000 |
| Wideband | YES |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the OPA637BPG4 datasheet?
OPA637BPG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA637BPG4?
Compatible alternatives and drop-in replacements for OPA637BPG4:
Frequently Asked Questions
When is the OPA637BPG4 stable in a closed-loop amplifier?
The OPA637BPG4 is internally compensated for closed-loop gains of 5 V/V or greater, so designs below that noise-gain level need a different amplifier or an external compensation strategy.
Why is this amplifier useful for high-impedance sensor signals?
Its FET input combines bias current as low as 5 pA with an 80 MHz gain-bandwidth product, helping preserve tiny sensor currents while supporting fast signal-conditioning stages.
What supply and package constraints should be checked before substitution?
Confirm support for supplies up to ±18 V and an 8-pin through-hole DIP footprint; surface-mount versions or unity-gain-stable alternatives are not necessarily drop-in replacements for OPA637BPG4.
How does input offset affect precision use of the OPA637BPG4?
The listed maximum input offset voltage is 250 µV, so multiply that value by the circuit noise gain when estimating its output-referred DC error contribution.
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