LT1463CS#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LT1463CS#PBF is a quad JFET-input operational amplifier with ultra-low 0.00075 µA average bias current, 40 µA per amplifier supply current, and 72 dB minimum CMRR in a 14-pin SOIC package. Pico-amp input bias current suits precision signal conditioning and high-impedance sensor interfaces. Available from stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- LT1463CS#PBF 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 LT1463CS#PBF?
- Quad JFET-input op-amp with ultra-low 0.00075 µA average bias current for picoampere-level input leakage
- 40 µA per amplifier quiescent current enabling micropower operation in battery-powered instruments
- 72 dB minimum common-mode rejection ratio (88 dB typical) for excellent noise rejection in differential signal paths
- Voltage-feedback architecture with internal frequency compensation for stable unity-gain operation
- 14-pin SOIC (S14) package integrates 4 independent amplifiers reducing board space vs. four single op-amps
What is LT1463CS#PBF used for?
The LT1463CS#PBF is well-suited for precision analog signal conditioning in data acquisition systems, medical instrumentation, and pH or electrochemical sensor interfaces where input bias currents below 1 pA are required to avoid measurement errors from high-impedance source resistance. Its 40 µA per amplifier supply current makes it a strong candidate for battery-powered portable instruments, remote sensor nodes, and handheld test equipment requiring long runtime on AA or Li-ion cells. The quad configuration enables multi-channel front-end amplifier designs in 16-bit ADC input stages, strain gauge bridges, and geophysical signal acquisition equipment.
What are the specifications of LT1463CS#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1610 (S14) |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00075 µA |
| Common-mode Reject Ratio-Min | 72dB |
| Common-mode Reject Ratio-Nom | 88dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 2800 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Neg Supply Voltage Limit-Max | -20 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 0.075V/us |
| Slew Rate-Nom | 0.128V/us |
| Supply Current-Max | 0.172mA |
| Supply Voltage Limit-Max | 20V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 140 |
| Voltage Gain-Min | 45000 |
| 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 LT1463CS#PBF datasheet?
LT1463CS#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LT1463CS#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How low is the input bias current of LT1463CS#PBF and why does this matter for high-impedance sensor designs?
The LT1463CS#PBF has a maximum average bias current of 0.00075 µA (750 pA), which generates less than 75 µV of input offset error even across a 100 megohm source impedance. This ultra-low picoampere-range bias current is critical for pH electrode interfaces, photodiode transimpedance amplifiers, and electrometer circuits where source resistances exceed 10 megohms and any bias current would corrupt the measurement.
What supply current does each amplifier in LT1463CS#PBF consume, and how long can a 100 mAh battery power a 4-channel design?
Each of the 4 amplifiers in LT1463CS#PBF draws approximately 40 µA of quiescent supply current, for a total device current of about 160 µA. A 100 mAh lithium coin cell would theoretically power the full quad op-amp for over 600 hours of continuous operation, making this part an excellent choice for coin-cell-powered wireless sensor nodes and remote data loggers requiring years of unattended operation.
How does the 72 dB minimum CMRR of LT1463CS#PBF perform in rejecting 50 Hz or 60 Hz power line interference in medical instrumentation?
With a 72 dB minimum CMRR (88 dB typical), LT1463CS#PBF attenuates common-mode 50 Hz or 60 Hz interference by a factor of at least 4,000 to 1, reducing a 1 V mains-induced common-mode signal at the inputs to under 250 µV referred to the output. This rejection level meets the requirements for ECG and EEG front-end amplifiers where 60 Hz body interference must be suppressed to below the 2800 µV maximum input offset to avoid saturation.
When would an engineer choose LT1463CS#PBF over a bipolar-input quad op-amp such as LM324 for a precision application?
An engineer would select LT1463CS#PBF over LM324 when source impedance exceeds 1 megohm, because LT1463CS#PBF's 0.00075 µA JFET bias current generates 10,000 times less input offset error than LM324's typical 45 nA bipolar bias current. This advantage is decisive in charge amplifiers, capacitive sensor interfaces, and any circuit where source resistance is high enough that 45 nA of bias current would produce millivolt-level errors that exceed the 2.8 mV maximum offset voltage budget.
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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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