LTC6081CDD#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LTC6081CDD#PBF is a dual precision rail-to-rail output operational amplifier by Analog Devices with 88 dB minimum CMRR and 90 µV maximum input offset voltage. Key specs: voltage-feedback architecture, 0.00004 µA bias current, and frequency-compensated for unity-gain stability. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LTC6081CDD#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4400(MOQ 10)
- 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 LTC6081CDD#PBF?
- Ultra-low input offset voltage of 90 µV maximum enables precision DC measurement and signal conditioning without the need for external offset trim circuits
- Extremely low bias current of 0.00004 µA (40 pA) maximum makes the LTC6081 ideal for high-impedance sensor interfaces such as pH electrodes and piezoelectric transducers
- 88 dB minimum CMRR (100 dB typical) rejects common-mode interference across the full input range for accurate differential signal amplification in noisy environments
What is LTC6081CDD#PBF used for?
The LTC6081CDD#PBF is designed for precision analog signal conditioning in test and measurement, medical instrumentation, and industrial sensor interfaces where low input offset voltage and ultralow bias current are essential. Its dual-channel configuration in a compact DFN package serves two-channel differential amplifier and active filter stages for strain gauge, pH sensor, and precision thermocouple measurement circuits. The rail-to-rail output ensures maximum dynamic range when driving ADC inputs from low-voltage supplies.
What are the specifications of LTC6081CDD#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1699 |
| YTEOL | 10 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00004 µA |
| Common-mode Reject Ratio-Min | 88dB |
| Common-mode Reject Ratio-Nom | 100dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 90 µV |
| JESD-30 Code | S-PDSO-N10 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC10,.12,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 1V/us |
| Supply Current-Max | 0.92mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 3600 |
| Voltage Gain-Min | 316227.76 |
| Wideband | YES |
| 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 LTC6081CDD#PBF datasheet?
LTC6081CDD#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC6081CDD#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What makes the LTC6081CDD#PBF suitable for high-impedance pH electrode measurement circuits?
The LTC6081CDD#PBF features an input bias current of only 0.00004 µA (40 pA) maximum, which is critical when interfacing with a pH electrode that has source impedance of 100 MΩ or higher. At 40 pA input current, the resulting voltage error across a 100 MΩ source is just 4 mV, far below the 90 µV input offset voltage, keeping measurement error dominated by the amplifier's own offset rather than loading-induced artifacts.
How does the LTC6081CDD#PBF's input offset voltage compare to a general-purpose op-amp for a precision strain gauge bridge amplifier?
General-purpose op-amps often have input offset voltages of 1 mV to 5 mV, which at a gain of 500 V/V would contribute 500 mV to 2.5 V of DC output error — potentially saturating the output. The LTC6081's 90 µV maximum offset produces only 45 mV error at a gain of 500, well within the usable output range on a 3.3 V supply, making it directly suitable for 24-bit ADC strain gauge measurement without auto-zero correction cycles.
What is the CMRR of the LTC6081CDD#PBF and how does it benefit industrial sensor applications?
The LTC6081CDD#PBF achieves 88 dB minimum and 100 dB typical CMRR across its operating range, meaning common-mode interference of 1 V at the inputs is attenuated to less than 10 µV at the differential output. In industrial environments with 50 Hz or 60 Hz mains interference coupling onto sensor cables, this level of rejection allows accurate measurement of millivolt-level signals from thermocouples, load cells, and RTD bridges without additional filtering hardware.
Which package does the LTC6081CDD#PBF use and how does it fit on a compact PCB?
The LTC6081CDD#PBF is housed in an 8-lead 3 mm × 3 mm DFN (DD) package with a 0.65 mm lead pitch, occupying less than 10 mm² of PCB board area including recommended pad clearances. The small leadless footprint reduces parasitic capacitance at the input nodes compared to leaded SOIC packages, which benefits high-impedance 40 pA bias current applications where even picofarads of stray capacitance can cause oscillation in unity-gain buffer configurations.
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Why Buy from FindMyChip
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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| 10+ | $4.4250 | $44.25 |
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