Analog Devices Inc. LT6013AIDD#PBF

Overview

LT6013AIDD#PBF from Analog Devices (formerly Linear Technology) is a single-channel, rail-to-rail output precision operational amplifier optimized for low-noise, micro-power sensor interface applications. It delivers 35µV max input offset voltage, 9.5nV/√Hz input voltage noise at 1kHz, 145µA supply current per amplifier, and stable operation at gain ≥5 - enabling high-accuracy signal conditioning in battery-powered instrumentation and thermocouple amplifiers.

For engineers reviewing the LT6013AIDD#PBF datasheet, LT6013AIDD#PBF pinout, LT6013AIDD#PBF application, or LT6013AIDD#PBF equivalent, this page provides verified package mapping (8-lead 3mm × 3mm DFN), validated pin functions, confirmed A-grade performance specs across –40°C to 85°C, and two field-validated alternative op amps with documented functional trade-offs.

Technical Context

The LT6013AIDD#PBF employs a decompensated internal architecture requiring minimum closed-loop gain of 5 for stability - unlike unity-gain stable variants - and features on-chip input bias current cancellation yielding ±250pA max IB and uncorrelated IB+ / IB– paths. Its rail-to-rail output swings within 40mV of either supply rail under no-load conditions, supporting precision operation down to 2.7V single-supply or ±1.35V dual-supply configurations.

Input stage design limits common-mode range to V– + 1V to V+ – 1.2V, while maintaining >107dB CMRR over that range and 120dB min open-loop voltage gain at ±15V supplies. The amplifier's 1.4MHz GBW and 0.2V/µs slew rate are specified with 500pF capacitive load capability at AV ≥ 5, enabling robust driving of ADC input networks and filter stages without external compensation.

Key Specifications

Pinout & Package

LT6013AIDD#PBF is housed in an 8-lead 3mm × 3mm plastic DFN package (DD) with exposed metal pad connected to V–. Pin 1 is marked by top-side dot; underside thermal pad improves power dissipation (θJA = 160°C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar precision op amp applications.

Compared with LT6013AIDD#PBF, LT6010CS8#PBF offers pin-compatible unity-gain stability at the cost of higher noise and added shutdown logic, while LT1881CS8#PBF provides picoamp-level IB and higher capacitive drive but requires SO-8 layout and sacrifices 3× bandwidth - making LT6013AIDD#PBF optimal for compact, low-noise, fixed-gain ≥5 sensor signal chains.

Availability

LT6013AIDD#PBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, precision photodiode interfaces, and micro-power sensor signal conditioning requiring stable component supply, long-term parametric consistency, and guaranteed A-grade performance across –40°C to 85°C.

Supply support for LT6013AIDD#PBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices acquired Linear Technology in 2017 and maintains its legacy precision analog portfolio, emphasizing high-performance signal conditioning ICs for industrial, medical, and test equipment markets.

The LT6013/LT6014 family was designed specifically for low-noise, low-power, rail-to-rail output precision amplification in sensor interface and instrumentation applications - prioritizing DC accuracy, thermal stability, and supply efficiency over unity-gain flexibility.

FAQ

What is the maximum capacitive load the LT6013AIDD#PBF can drive stably?

The LT6013AIDD#PBF can drive up to 500pF capacitively at closed-loop gain ≥5 without oscillation or phase margin degradation. This capability is validated per datasheet Figure 26 and enables direct connection to SAR ADC inputs and RC anti-aliasing filters without series isolation resistors - provided the gain configuration meets the AV ≥5 requirement.

Does the LT6013AIDD#PBF support single-supply operation?

Yes, the LT6013AIDD#PBF operates from a single supply as low as 2.7V, with rail-to-rail output swing and input common-mode range extending from V– + 1V to V+ – 1.2V. At 3.3V supply, it delivers full output swing from ~100mV to ~3.2V, making it suitable for modern low-voltage embedded systems and battery-powered devices.

What does the "A" suffix in LT6013AIDD#PBF indicate?

The "A" suffix denotes the A-grade performance level: 35µV maximum input offset voltage (vs. 60µV for standard grade), ±250pA maximum input bias current at 0°C to 70°C, and tighter VOS drift specification (0.8µV/°C max). This grade is tested and guaranteed across –40°C to 85°C, ensuring consistent precision in industrial environments.

Can the LT6013AIDD#PBF be used in unity-gain configurations?

No - the LT6013AIDD#PBF is intentionally decompensated for minimum noise and is only stable at closed-loop gain ≥5. Unity-gain use causes oscillation unless external stabilization is applied per datasheet Figure 2 (RC network across inputs). For unity-gain stable alternatives, consider LT6010 or LT1881.

How is thermal performance affected by the exposed pad on the LT6013AIDD#PBF DFN package?

The exposed metal pad on the LT6013AIDD#PBF DFN is internally connected to V– and must be soldered to a PCB copper pour tied to the negative supply or ground plane. Proper thermal pad connection reduces θJA from 160°C/W to ≤65°C/W in typical layouts, preventing thermal drift-induced VOS errors and enabling continuous 145µA operation at 85°C ambient.