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Analog Devices Inc. LT6001IMS8#PBF
- Part No.:
- LT6001IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT6001IMS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,849
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Product details
Overview
LT6001IMS8#PBF from Analog Devices (formerly Linear Technology) is a dual precision rail-to-rail input/output operational amplifier optimized for micropower, low-voltage operation. It delivers 13–16 µA supply current per amplifier, 600 µV max input offset voltage, and full rail-to-rail swing on supplies as low as 1.8 V. It is widely used in battery-powered gas sensing front-ends and portable instrumentation where ultra-low quiescent current and precision DC performance are critical.
For engineers reviewing the LT6001IMS8#PBF datasheet, LT6001IMS8#PBF pinout, LT6001IMS8#PBF application, or LT6001IMS8#PBF equivalent, key selection criteria include guaranteed 1.8 V operation, shutdown capability (in DD variant), input offset drift ≤5 µV/°C, and MS8 package compatibility with space-constrained PCB layouts.
Technical Context
The LT6001IMS8#PBF employs a complementary input stage-PNP pair active near V– and NPN pair active near V+-enabling true rail-to-rail common-mode input range (0 V to VS) and maintaining <600 µV offset across the full range. Its folded-cascode second stage and complementary drive output stage support rail-to-rail output swing within 30 mV of each rail under no-load conditions.
Unlike the 10-lead LT6001DD with shutdown, the 8-lead MS8 variant (LT6001IMS8#PBF) lacks SHDN functionality. It is fully specified over –40°C to 85°C at both 1.8 V and 5 V supplies, with gain bandwidth of 32–50 kHz and slew rate of 7–15 V/ms depending on temperature and supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 16 V - enables direct operation from single-cell Li-ion (3.0 V), NiMH (1.2 V × 2), or coin-cell (1.5 V) with headroom. |
| Quiescent Current | 13–16 µA per amplifier - supports >1-year battery life in always-on sensor nodes drawing <20 µA total. |
| Input Offset Voltage | ≤600 µV (max, –40°C to 85°C) - ensures sub-mV DC error in precision transducer signal conditioning without trimming. |
| Input/Output Swing | Rail-to-rail - allows full utilization of ADC reference range and eliminates level-shifting circuitry in 1.8 V systems. |
| Gain Bandwidth | 32–50 kHz - sufficient for DC–10 kHz sensor signal amplification while maintaining stability with 100 pF capacitive loads. |
| Input Bias Current | –6 nA to +12 nA - low enough to avoid significant error with high-impedance sources (e.g., electrochemical sensors). |
| CMRR / PSRR | ≥82 dB CMRR, ≥86 dB PSRR - rejects supply noise and common-mode interference in noisy industrial environments. |
Pinout & Package
LT6001IMS8#PBF is housed in an 8-lead plastic MSOP (MS8) package, 3.0 mm × 3.0 mm footprint, 1.1 mm height, with gull-wing leads and exposed thermal pad connected to V–.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Delivers rail-to-rail output signal; capable of sourcing/sinking up to 4 mA at 1.8 V supply. |
| 2 (IN– A) | Inverting input A | Differential node for A amplifier; includes 30 kΩ series protection resistors against overvoltage. |
| 3 (IN+ A) | Non-inverting input A | Differential node for A amplifier; same protection and bias current behavior as IN– A. |
| 4 (V–) | Negative supply rail | Reference for both amplifiers; exposed pad internally tied to this pin for thermal and electrical grounding. |
| 5 (V+) | Positive supply rail | Accepts 1.8–16 V; requires local 0.01 µF bypass capacitor within 25 mm of pin. |
| 6 (OUT B) | Amplifier B output | Independent rail-to-rail output; electrically isolated from OUT A except through shared supply rails. |
| 7 (IN– B) | Inverting input B | Second amplifier's inverting input; identical electrical characteristics and protection as IN– A. |
| 8 (IN+ B) | Non-inverting input B | Second amplifier's non-inverting input; matches IN+ A in offset, bias, and CM range. |
Key Features
| Feature | Design Value |
|---|---|
| 1.8 V minimum supply | Enables direct interface with energy-harvesting circuits and single-cell batteries without LDO pre-regulation. |
| Rail-to-rail I/O | Eliminates need for external level shifters or dual-supply generation in low-voltage microcontroller-based systems. |
| 600 µV max VOS over temperature | Reduces calibration burden in factory-trimmed portable medical or environmental sensors. |
| 13 µA quiescent current | Permits continuous monitoring in IoT edge nodes powered by CR2032 cells for >2 years (typical). |
| Phase reversal protection | Prevents erroneous output polarity when inputs are driven 2 V below V–, enhancing system robustness. |
Applications
| Gas Sensing Front-End | Portable ECG Monitor |
|---|---|
Use Scenario: Amplifying low-level current from electrochemical oxygen sensors (e.g., City Technology 40X) operating at 1.8 V. IC Role / Device Role / Timing Role: Dual-channel transimpedance and buffer amplifier, converting pA-level sensor current to stable voltage with minimal power overhead. Use Value: 145 µA total supply current in air (per LT6001-based reference design TA01a), enabling multi-day runtime on coin cell. | Use Scenario: Conditioning biopotential signals from dry electrodes in handheld cardiac screening devices. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input buffer and high-pass filter driver, rejecting electrode DC offset. Use Value: Rail-to-rail input range captures full ±300 mV ECG differential swing without clipping at 1.8 V supply. |
| Battery-Powered Data Logger | Micropower Active Filter |
Use Scenario: Signal conditioning for thermistor, RTD, or strain gauge measurements in remote environmental loggers. IC Role / Device Role / Timing Role: Precision low-drift amplifier in ratiometric bridge measurement circuits with ADC reference sharing. Use Value: 2 µV/°C typical offset drift ensures <1 LSB error over –25°C to 70°C for 12-bit systems. | Use Scenario: Implementing 2nd-order low-pass filtering in wearable motion sensor signal chains. IC Role / Device Role / Timing Role: Dual-op-amp Sallen-Key topology with unity-gain stable architecture and low noise density (75 nV/√Hz). Use Value: 32 kHz GBW supports cutoff frequencies up to ~5 kHz while consuming <32 µA total for both amplifiers. |
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 VOS (150 µV max), higher supply current (35 µA), no rail-to-rail output (VOH = VCC – 0.9 V at 1.8 V) | Preferred where ultra-low offset dominates over power; unsuitable for true rail-to-rail output requirements. | Select MAX44260ASA+ only if offset-critical DC accuracy outweighs battery life and output swing constraints. |
| OPA333AIDBVR | Zero-drift architecture, 2 µV max VOS, 17 µA supply current, rail-to-rail I/O, but limited 1.8 V min supply only at TA = 25°C (not guaranteed over –40°C to 85°C) | Best for lab-grade instruments with controlled ambient; not recommended for unregulated outdoor deployments. | Choose OPA333AIDBVR when zero-drift stability is mandatory and temperature range can be restricted to 0°C–70°C. |
Compared with MAX44260ASA+ and OPA333AIDBVR, LT6001IMS8#PBF uniquely guarantees rail-to-rail output swing, 600 µV VOS, and full –40°C to 85°C operation at 1.8 V - making it the most balanced choice for ruggedized, long-life, low-voltage sensor systems.
Availability
LT6001IMS8#PBF is available at Aetrix Electronics and suitable for gas sensing front-ends, portable biomedical instrumentation, and battery-powered data loggers requiring stable component supply across industrial temperature grades.
Supply support for LT6001IMS8#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, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LT6000/LT6001/LT6002 family was designed specifically for ultra-low-power, precision signal conditioning in energy-constrained systems - emphasizing 1.8 V operation, sub-20 µA quiescent current, and guaranteed rail-to-rail performance across temperature.
FAQ
What is the maximum input common-mode voltage range for LT6001IMS8#PBF?
The LT6001IMS8#PBF supports a true rail-to-rail input common-mode range from V– to V+, i.e., 0 V to VS at any supply between 1.8 V and 16 V. This is achieved via complementary PNP/NPN input stages that auto-switch based on VCM; datasheet Figure 1 and page 11 confirm full functionality across the entire range with <600 µV offset variation.
Does LT6001IMS8#PBF include a shutdown pin?
No, LT6001IMS8#PBF does not include a shutdown pin. Shutdown functionality is exclusive to the 10-lead LT6001DD variant in DFN package. The MS8 package (LT6001IMS8#PBF) has only 8 pins: two outputs, four inputs (two per amplifier), and two supply rails - no SHDN terminal is present or supported.
What is the typical output swing capability of LT6001IMS8#PBF at 1.8 V supply?
At 1.8 V supply and room temperature, LT6001IMS8#PBF delivers output swing within 30 mV of each rail under no-load conditions, and within 120–200 mV at 100 µA sink/source load. This is confirmed in Electrical Characteristics Table (page 4), Note 6, and Typical Performance curves G08/G09 - enabling full-scale use of 1.8 V ADC references.
Can LT6001IMS8#PBF operate reliably from a single 1.5 V alkaline cell?
No, LT6001IMS8#PBF requires minimum 1.8 V total supply voltage per Absolute Maximum Ratings (page 2). While it may power on at 1.6 V transiently, guaranteed operation - including rail-to-rail swing, offset spec, and bandwidth - begins at 1.8 V. For 1.5 V systems, a boost converter or alternative op amp (e.g., MCP6002) is required.
What is the input bias current polarity behavior of LT6001IMS8#PBF across its input voltage range?
LT6001IMS8#PBF exhibits polarity-reversing input bias current: current flows *out* of inputs when VCM is near V– (PNP stage active), and *into* inputs when VCM approaches V+ (NPN stage active). This is documented in Applications Information (page 11–12) and Figure 1 schematic - requiring matched source impedances on IN+ and IN– to minimize offset error.
LT6001IMS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- 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:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT6001IMS8#PBF FAQ
1.How can I place an order for LT6001IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6001IMS8#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 LT6001IMS8#PBF reliable?
The price and inventory of LT6001IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6001IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT6001IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6001IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6001IMS8#PBF?
LT6001IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6001IMS8#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 LT6001IMS8#PBF?
For technical support, including LT6001IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6001IMS8#PBF requirements.
6.How does Aetrix verify that LT6001IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT6001IMS8#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 LT6001IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT6001IMS8#PBF?
All LT6001IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6001IMS8#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 LT6001IMS8#PBF part is unused and in its original packaging.
Return procedure for LT6001IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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