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Analog Devices Inc. LT6001CDD#PBF
- Part No.:
- LT6001CDD#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
LT6001CDD#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:21,641
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Product details
Overview
LT6001CDD#PBF from Analog Devices (formerly Linear Technology) is a dual precision rail-to-rail input/output operational amplifier in a 10-lead 3mm × 3mm DFN package with integrated shutdown control. It operates from 1.8V to 16V, draws only 13µA per amplifier at 1.8V, features 600µV max input offset voltage, and supports full rail-to-rail operation - ideal for low-power oxygen sensor signal conditioning in portable gas detection systems.
For engineers reviewing the LT6001CDD#PBF datasheet, LT6001CDD#PBF pinout, LT6001CDD#PBF application, or LT6001CDD#PBF equivalent, key selection criteria include its 1.8V minimum supply, 1.5µA max shutdown current, guaranteed performance over –40°C to 85°C, and DFN-10 thermal characteristics (θJA = 160°C/W, TJMAX = 125°C).
Technical Context
The LT6001CDD#PBF implements a complementary PNP/NPN input stage enabling true rail-to-rail common-mode input range (0V to VS), with automatic stage switching near V+ to maintain low offset. Its folded-cascode second stage and complementary drive output stage deliver rail-to-rail output swing within 30mV of each rail under no-load conditions.
Shutdown is controlled via a dedicated SHDN pin (Pin 5), which places both amplifiers into high-impedance state when pulled ≤0.3V above V–, reducing total supply current to ≤1.5µA. The device is fully specified at 1.8V and 5V supplies, with input offset drift ≤5µV/°C and CMRR ≥90dB over 0V–3.8V common-mode range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8V to 16V - enables direct operation from single-cell Li-ion (3.0–4.2V), NiMH (1.2V×2), or 3.3V/5V rails without regulation. |
| Quiescent Current | 13µA per amplifier at 1.8V - extends battery life in always-on portable instrumentation with multi-year runtime on coin cells. |
| Input Offset Voltage | 600µV max (–40°C to 85°C) - ensures <±1mV error in 12-bit ADC front-ends with gain ≤2 without trimming. |
| Rail-to-Rail I/O | Input: 0V to VS; Output: within 30mV of V+ and V– - eliminates level-shifting circuitry in low-voltage sensor interfaces. |
| Shutdown Current | 1.5µA max total - reduces system standby power by >99% vs active mode, critical for duty-cycled gas sensing cycles. |
| Gain Bandwidth | 32kHz at 1.8V - sufficient for DC–10Hz sensor signals (e.g., electrochemical O₂ sensors) with stable unity-gain response. |
| Operating Temp | –40°C to 85°C - qualified for industrial and outdoor portable equipment without derating. |
Pinout & Package
LT6001CDD#PBF uses a 10-lead 3mm × 3mm plastic DFN package (DD) with exposed pad connected to V– (Pin 4). Thermal resistance θJA = 160°C/W with minimal PCB copper; recommended solder pad layout includes 1.65mm × 2.38mm exposed pad area.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive Supply | Connects to main supply rail (1.8–16V); requires 0.01µF bypass capacitor within 25mm. |
| OUT A | Amplifier A Output | High-impedance during shutdown; drives loads up to 10mA (5V) or 4mA (1.8V). |
| IN– A | Inverting Input A | Protected by 30kΩ series resistors; accepts inputs down to 2V below V– without phase reversal. |
| IN+ A | Non-inverting Input A | Same protection as IN– A; matched impedance critical to minimize bias-current-induced offset. |
| SHDN | Shutdown Control | Pull ≤0.3V above V– to disable both amps; tie to V+ for normal operation; floating allowed but not recommended. |
| OUT B | Amplifier B Output | Independent output; shares same shutdown state as OUT A. |
| IN– B | Inverting Input B | Duplicate of IN– A; electrically isolated but thermally coupled to A channel. |
| IN+ B | Non-inverting Input B | Duplicate of IN+ A; supports dual-sensor or differential pair configurations. |
| V– | Negative Supply | Ground reference for single-supply use; exposed pad must be soldered to PCB ground plane. |
| NC | No Connect | Internal test pad; leave unconnected and unpopulated on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| 1.8V Operation | Guaranteed functionality and full specification at 1.8V supply - eliminates need for LDO in ultra-low-voltage systems. |
| Rail-to-Rail Input | 0V to VS common-mode range with <400µV typical offset variation - enables direct sensing of battery voltage or sensor zero-point. |
| Shutdown Mode | 1.5µA max total current with high-Z outputs - allows microcontroller-controlled power gating in intermittent measurement systems. |
| Low Input Bias | ±2nA max (TA = 25°C) - permits use with high-impedance sources (e.g., pH electrodes, photodiodes) without significant loading error. |
| Stable Unity-Gain | Capacitive load tolerant up to 1000pF - simplifies filtering and avoids external compensation in sensor signal chains. |
Applications
| Gas Sensing | Portable Instrumentation |
|---|---|
Use Scenario: Electrochemical oxygen sensor interface in handheld air quality monitors requiring 10-year battery life on two AA cells. IC Role / Device Role / Timing Role: Dual op-amp configures transimpedance amplifier (Channel A) and reference buffer (Channel B) for ratiometric O₂ concentration calculation. Use Value: 13µA quiescent current per amp enables >5 years continuous operation; rail-to-rail I/O captures full sensor dynamic range (0–1V) without external level shifters. | Use Scenario: Precision front-end for handheld multimeters measuring µA–mA currents and mV–V voltages with auto-ranging. IC Role / Device Role / Timing Role: Configured as programmable-gain amplifier and reference voltage follower to condition signals across 7 decades of input range. Use Value: 600µV max offset ensures <0.01% reading error at 100mV full-scale; shutdown mode cuts power between measurements to conserve CR2032 energy. |
| Battery-Powered Systems | Low Voltage Signal Processing |
Use Scenario: Power management supervisor in solar-charged IoT edge nodes monitoring battery health and charging status. IC Role / Device Role / Timing Role: Amplifies shunt voltage (Channel A) and divides battery voltage (Channel B) for MCU ADC sampling. Use Value: 1.8V minimum supply allows direct connection to partially discharged LiFePO₄ cells (2.0V min); shutdown reduces system idle current to <2µA. | Use Scenario: Signal conditioning for MEMS microphone preamplification in hearing aids operating from 1.2V NiMH batteries. IC Role / Device Role / Timing Role: Single-supply AC-coupled amplifier with DC-blocking capacitors and gain-setting resistors. Use Value: Rail-to-rail output swing delivers maximum SNR from 1.2V supply; 75nV/√Hz input noise preserves audio fidelity at low gain settings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision micropower op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX44260ASA+ | Lower 900nA supply current but higher 1.25mV offset; no shutdown; 8-pin SOIC only. | Lacks shutdown and DFN thermal performance; unsuitable for space-constrained portable designs. | Select when lowest possible quiescent current outweighs offset and packaging requirements. |
| OPA333AIDBVR | Zero-drift architecture; 10µV max offset; 17µA supply current; no shutdown; SOT-23-5 package. | Superior DC accuracy but no shutdown and limited output drive; incompatible pinout. | Select when ultra-low offset dominates design priorities and shutdown is managed externally. |
Compared with MAX44260ASA+ and OPA333AIDBVR, the LT6001CDD#PBF uniquely balances sub-1µA shutdown, 600µV offset, rail-to-rail operation, and DFN-10 thermal efficiency - making it optimal for battery-powered gas sensors where size, power, and precision are simultaneously constrained.
Availability
LT6001CDD#PBF is available at Aetrix Electronics and suitable for portable instrumentation, battery-powered environmental monitors, and low-voltage medical sensors requiring stable component supply across long production lifecycles.
Supply support for LT6001CDD#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 precision analog portfolio, emphasizing high-performance, low-power signal conditioning ICs for demanding industrial and instrumentation applications.
The LT6000/LT6001/LT6002 family was designed specifically for micropower, rail-to-rail precision amplification in battery-operated systems - targeting applications where supply voltage can dip below 2V while maintaining DC accuracy and stability.
FAQ
What is the maximum supply voltage for LT6001CDD#PBF?
The absolute maximum total supply voltage (V+ to V–) for LT6001CDD#PBF is 18V. Continuous operation is specified up to 16V. Exceeding 18V risks permanent damage. The device is fully characterized from 1.8V to 16V, with key parameters like quiescent current and offset guaranteed across this range - ensuring reliable operation in 12V industrial sensor nodes or 5V USB-powered instruments using LT6001CDD#PBF.
Does LT6001CDD#PBF support true rail-to-rail input at 1.8V supply?
Yes, LT6001CDD#PBF supports rail-to-rail input common-mode range (0V to VS) at 1.8V supply. Its dual-input-stage architecture (PNP + NPN) guarantees operation from V– to V+ across temperature. At 1.8V, input offset remains ≤600µV and CMRR ≥82dB over 0V–0.6V, enabling direct interfacing with low-voltage sensors like amperometric gas cells without level-shifting - a verified capability documented in the LT6001CDD#PBF datasheet Section 6, Electrical Characteristics.
How does the shutdown function work on LT6001CDD#PBF?
The SHDN pin (Pin 5) on LT6001CDD#PBF disables both amplifiers when pulled ≤0.3V above V–, reducing total supply current to ≤1.5µA and placing outputs in high-impedance state. For normal operation, SHDN must be tied to V+. The turn-on time is 400µs and turn-off time is 100µs (RL = 10kΩ). This behavior is confirmed in the LT6001CDD#PBF datasheet's Shutdown section and Typical Performance Characteristics (Fig. G31–G32), ensuring predictable power gating in microcontroller-driven LT6001CDD#PBF systems.
What is the thermal performance of LT6001CDD#PBF in its DFN package?
LT6001CDD#PBF in the 10-lead 3mm × 3mm DFN (DD) package has θJA = 160°C/W with minimal PCB copper, and a maximum junction temperature (TJMAX) of 125°C. The exposed pad is internally connected to V– (Pin 4) and must be soldered to a PCB ground plane for optimal thermal dissipation. This thermal profile enables sustained operation at full rating in compact enclosures - validated in the LT6001CDD#PBF Package Description (Page 17) and Absolute Maximum Ratings table, where TJMAX is explicitly defined for DD-package variants.
Can LT6001CDD#PBF drive capacitive loads without oscillation?
Yes, LT6001CDD#PBF is stable driving capacitive loads up to 1000pF in unity-gain configuration, as verified in the Capacitive Load Handling plot (Figure G23) of the LT6001CDD#PBF datasheet. Overshoot remains <5% at 100pF and <45% at 1000pF with AV = 1. For loads >100pF, adding a small series resistor (10–50Ω) at the output improves phase margin. This robustness simplifies anti-aliasing filter design in sensor signal chains using LT6001CDD#PBF without requiring external compensation networks.
LT6001CDD#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 10-WFDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.015V/µs
- Gain Bandwidth Product:
- 60 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 nA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 13µA (x2 Channels)
- Current - Output / Channel:
- 10 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-DFN (3x3)
LT6001CDD#PBF FAQ
1.How can I place an order for LT6001CDD#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6001CDD#PBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LT6001CDD#PBF reliable?
The price and inventory of LT6001CDD#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6001CDD#PBF is usually 5 days.
3.What payment methods are accepted for LT6001CDD#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6001CDD#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6001CDD#PBF?
LT6001CDD#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6001CDD#PBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LT6001CDD#PBF?
For technical support, including LT6001CDD#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6001CDD#PBF requirements.
6.How does Aetrix verify that LT6001CDD#PBF is sourced from the original manufacturer or authorized distributors?
All LT6001CDD#PBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LT6001CDD#PBF meets industry standards.
7.What is the process for return or replacement of LT6001CDD#PBF?
All LT6001CDD#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6001CDD#PBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LT6001CDD#PBF part is unused and in its original packaging.
Return procedure for LT6001CDD#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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