LMP2232BMM Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LMP2232BMM is a dual precision operational amplifier with 275 µV max input offset voltage, 91 dB typical CMRR, and 3 pA typical bias current in an MSOP-8 package. Available from stock worldwide with competitive pricing and fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LMP2232BMM Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low 3 pA typical input bias current at 25°C minimizes source impedance errors in high-impedance sensor interfaces
- 275 µV maximum input offset voltage enables precision signal conditioning without external trimming
- 91 dB typical common-mode rejection ratio rejects supply and ground noise in differential measurement circuits
- Voltage-feedback architecture with internal frequency compensation provides stable gain across a wide bandwidth
- Dual op-amp in a compact MSOP-8 package reduces board area and BOM count versus two single-channel devices
Applications
The LMP2232BMM is optimized for precision analog signal conditioning in instrumentation amplifiers, medical biosignal front-ends, and industrial sensor interfaces where input bias currents below 1 pA at 25°C and offset voltage under 275 µV are required. Its 91 dB CMRR makes it suitable for differential amplifier stages in Wheatstone bridge signal chains, electrochemical sensor readout circuits, and data acquisition systems operating from a 5 V rail. Designers of portable medical devices and precision test equipment choose the dual MSOP-8 configuration to minimize PCB real estate while meeting tight DC accuracy specifications.
Specifications
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.000125 µA |
| Bias Current-Max (IIB) @25C | 0.000003 µA |
| Common-mode Reject Ratio-Min | 77dB |
| Common-mode Reject Ratio-Nom | 91dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 275 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e0 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 0.058V/us |
| Supply Current-Max | 0.025mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Unity Gain BW-Nom | 128 |
| Voltage Gain-Min | 158489.3 |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How low is the input bias current of the LMP2232BMM and which sensor interface applications benefit from it?
The LMP2232BMM specifies a typical input bias current of only 3 pA at 25°C, with a maximum of 125 pA over the full operating temperature range. This extremely low bias current is critical in photodiode transimpedance amplifiers, electrochemical gas sensors, and pH electrode interfaces where even nanoamp-level bias would create unacceptable offset voltages across multi-megohm source impedances.
What input offset voltage does the LMP2232BMM guarantee and how does that affect precision DC measurement accuracy?
The LMP2232BMM guarantees a maximum input offset voltage of 275 µV over the operating temperature range. For a signal chain with a gain of 100, this offset translates to a worst-case 27.5 mV DC error at the output, which is acceptable for many 12-bit ADC-based systems and eliminates the need for manual offset trimming pots in most precision instrumentation designs.
How does the 91 dB typical CMRR of the LMP2232BMM help in Wheatstone bridge measurements?
The LMP2232BMM achieves a typical common-mode rejection ratio of 91 dB, meaning a 1 V common-mode noise signal is attenuated to approximately 28 µV at the differential output. In a Wheatstone bridge strain gauge or load cell circuit, this level of CMRR suppresses power supply ripple and ground-loop interference, allowing accurate measurement of bridge imbalances as small as 1 mV on a 5 V excitation rail.
For a compact multi-channel precision analog front-end, what board space does the LMP2232BMM MSOP-8 package require compared to two single op-amps?
The LMP2232BMM integrates 2 operational amplifier channels in one MSOP-8 package, which has a body footprint of approximately 3 mm x 3 mm or roughly 9 mm². Using a single dual device instead of two separate SOT-23 single op-amps saves at least 30% to 40% PCB area and reduces the number of solder joints, which is valuable in wearable medical patches and dense 4-layer PCB designs where every square millimeter counts.
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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.
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