LT1672IMS8#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT1672IMS8#TRPBF is a precision rail-to-rail input/output op-amp with 2 µA supply current, 96 dB minimum CMRR, and 1 nA maximum bias current. It delivers closed-loop gains above 5 with excellent accuracy for low-power precision signal conditioning. Available in 8-pin MSOP, in stock worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LT1672IMS8#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- 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 LT1672IMS8#TRPBF?
- Ultra-low 2 µA supply current for micropower battery-operated precision analog circuits
- Rail-to-rail input and output swing maximizing dynamic range on single 2.7 V to 6 V supplies
- 96 dB minimum CMRR (114 dB typical) for superior common-mode noise rejection in precision measurements
- 1 nA maximum bias current at 25°C enabling accurate high-impedance sensor interfacing
- Stable closed-loop gain of 5 or greater without external frequency compensation components
What is LT1672IMS8#TRPBF used for?
The LT1672IMS8#TRPBF is ideal for battery-powered precision instrumentation, medical sensor interfaces, and low-power data acquisition front-ends requiring 2 µA supply current with rail-to-rail signal swing. Its 96 dB minimum CMRR and 1 nA bias current make it well-suited for bridge sensor amplifiers, thermocouple signal conditioning, and pH electrode interfaces where noise rejection and input impedance are critical. The device is also used in portable handheld test equipment and wearable monitoring devices operating from a single lithium cell.
What are the specifications of LT1672IMS8#TRPBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1660 |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0017 µA |
| Bias Current-Max (IIB) @25C | 0.001 µA |
| Common-mode Reject Ratio-Min | 96dB |
| Common-mode Reject Ratio-Nom | 114dB |
| Frequency Compensation | NO |
| Input Offset Voltage-Max | 775 µV |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | YES |
| 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 | TSSOP8,.19 |
| 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-Min | 0.016V/us |
| Slew Rate-Nom | 0.005V/us |
| Supply Current-Max | 8.4mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Unity Gain BW-Nom | 12 |
| Voltage Gain-Min | 50000 |
| 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 |
| Country of Origin | Malaysia |
Where can I find the LT1672IMS8#TRPBF datasheet?
LT1672IMS8#TRPBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1672IMS8#TRPBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How low is the supply current of LT1672IMS8#TRPBF, and what does this enable in battery-powered designs?
The LT1672IMS8#TRPBF draws only 2 µA of supply current, making it one of the lowest-power precision op-amps with rail-to-rail I/O available. At 2 µA from a 3 V lithium coin cell with 200 mAh capacity, the amplifier alone could run for over 11 years continuously, enabling multi-year battery life in remote sensor nodes and IoT data loggers.
What CMRR specification does the LT1672 provide, and how does it benefit bridge sensor amplification?
The LT1672IMS8#TRPBF achieves 96 dB minimum and 114 dB typical common-mode rejection ratio. For a Wheatstone bridge sensor with 10 mV full-scale output riding on a 1 V common-mode voltage, 96 dB CMRR limits common-mode error to less than 10 µV — under 0.1% of full scale — preserving 12-bit measurement accuracy without active common-mode cancellation circuits.
What is the maximum bias current of LT1672IMS8#TRPBF, and why does it matter for high-impedance sensors?
The maximum bias current is 1 nA at 25°C (1.7 nA average maximum). When connected to a 100 MΩ source impedance such as a pH electrode or photodiode, a 1 nA bias current produces only 100 mV of input offset error — compared to op-amps with 10 nA bias current that would introduce 1 V of error, saturating the output entirely.
Does the LT1672 require external frequency compensation, and at what minimum gain is it stable?
The LT1672IMS8#TRPBF requires no external frequency compensation components, simplifying PCB design. It is internally compensated for stable closed-loop operation at gains of 5 or greater (the 'Av>5' designation). For unity-gain or low-gain buffer configurations, a decompensated alternative in the LT167x family should be selected to avoid oscillation.
For a portable medical glucometer running on a 3 V coin cell, how does LT1672IMS8 compare to a standard rail-to-rail op-amp?
A standard rail-to-rail op-amp such as MCP6001 draws about 100 µA — 50 times more than the LT1672's 2 µA. For a glucometer taking 5 measurements per day with 1-second active amplifier windows, LT1672 adds less than 3 µAh per day versus 150 µAh for MCP6001, extending a 225 mAh CR2032 cell life from under 4 years to effectively the device shelf life.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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