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Analog Devices Inc. LT6001CMS8#PBF
- Part No.:
- LT6001CMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT6001CMS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:782
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Product details
Overview
LT6001CMS8#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 functionality from 1.8 V to 16 V supplies - enabling use in battery-powered gas sensing, portable instrumentation, and solar-powered systems.
For engineers reviewing the LT6001CMS8#PBF datasheet, LT6001CMS8#PBF pinout, LT6001CMS8#PBF application, or LT6001CMS8#PBF equivalent, key selection criteria include guaranteed 1.8 V operation, shutdown capability (in DD variant), rail-to-rail swing within 30 mV of rails, and industrial temperature range (–40°C to 85°C) performance specification.
Technical Context
The LT6001CMS8#PBF employs a complementary input stage (PNP + NPN differential pairs) that enables true rail-to-rail common-mode input range (0 V to VS) and maintains <600 µV offset across the full range. Its folded-cascode second stage and complementary drive output stage support rail-to-rail output swing with low quiescent current.
Unlike standard micropower op amps, the LT6001CMS8#PBF exhibits controlled start-up and saturation behavior - supply current remains stable (<24 µA) even when output is driven to either rail, avoiding supply droop in sensitive low-power systems. It is fully specified at both 1.8 V and 5 V supplies over temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 16 V - supports single-cell Li-ion, two-cell alkaline, and wide-input industrial rails without level-shifting. |
| Quiescent Current per Amp | 13–16 µA (max 24 µA at –40°C to 85°C) - enables multi-year battery life in always-on sensor front-ends. |
| Input Offset Voltage | ≤600 µV (max, –40°C to 85°C) - ensures sub-mV DC accuracy in low-gain signal conditioning (e.g., bridge sensors). |
| Input/Output Swing | Rail-to-rail - outputs swing within 30 mV of V+ and V– with no load; inputs accept signals from V– to V+. |
| Gain Bandwidth Product | 32–50 kHz (1 kHz test, –40°C to 85°C) - sufficient for DC–10 kHz sensor amplification and active filtering. |
| Input Bias Current | –6 nA to +12 nA (varies with common-mode voltage) - requires matched source impedances to minimize offset error. |
| Operating Temperature | –40°C to 85°C - qualified for industrial and outdoor portable equipment environments. |
Pinout & Package
LT6001CMS8#PBF is housed in an 8-lead MSOP (MS8) package with exposed pad connected to V–. Pin 1 is marked by a dot or notch; the package measures 3.0 mm × 3.0 mm × 1.1 mm.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives external load; high-impedance during shutdown (not applicable to MS8 variant). |
| 2 | IN– A | Inverting input of Amp A - internal 30 kΩ series resistor provides phase-reversal protection. |
| 3 | IN+ A | Non-inverting input of Amp A - same 30 kΩ protection; bias current polarity depends on VCM. |
| 4 | V– | Negative supply rail - also connects to exposed thermal pad; must be low-impedance for stability. |
| 5 | V+ | Positive supply rail - requires local 0.01 µF bypass capacitor within 25 mm of pin. |
| 6 | OUT B | Amplifier B output - independent of OUT A; shares same rail-to-rail swing and load drive specs. |
| 7 | IN– B | Inverting input of Amp B - electrically identical to IN– A; supports dual-channel signal processing. |
| 8 | IN+ B | Non-inverting input of Amp B - matches IN+ A; enables dual-sensor or differential pair configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O with CMRR ≥90 dB | Maintains >80 dB rejection up to 100 kHz, enabling accurate DC-coupled amplification of signals near supply rails. |
| 1.8 V minimum supply operation | Guaranteed functionality at 1.8 V allows direct interface with ultra-low-voltage microcontrollers and ADCs. |
| Controlled saturation current | Draws ≤24 µA even when output saturated - prevents supply collapse in battery-fed systems during fault conditions. |
| Input stage phase reversal protection | Internal 30 kΩ resistors and PNP/NPN architecture prevent output inversion when inputs exceed V– by up to 2 V. |
| Low 1/f noise (1.2 µVP-P, 0.1–10 Hz) | Enables stable DC gain in precision gas sensor interfaces where low-frequency drift dominates error budget. |
Applications
| Gas Sensing Front-End | Portable Instrumentation Signal Chain |
|---|---|
|
Use Scenario: Amplifying low-level current from electrochemical oxygen sensors (e.g., City Technology units) operating at 1.8 V. IC Role / Device Role / Timing Role: Dual-channel transimpedance and reference buffer amplifier - one amp converts sensor current; the other buffers reference voltage. Use Value: 13 µA quiescent current per channel extends AA battery life beyond 5 years in intermittent-read deployments. |
Use Scenario: Signal conditioning for handheld multimeters and pH meters powered by coin cells. IC Role / Device Role / Timing Role: Precision buffer and gain stage preceding SAR ADC - rejects common-mode noise from shared supply rails. Use Value: 600 µV max offset and rail-to-rail output ensure full-scale utilization of 16-bit ADC input range without software calibration. |
| Battery-Powered Environmental Monitor | Low-Voltage Active Filter |
|
Use Scenario: Conditioning thermistor and humidity sensor outputs in solar-charged IoT nodes. IC Role / Device Role / Timing Role: Dual op amp configured as unity-gain buffer and 2nd-order Sallen-Key filter - isolates sensors and removes RF interference. Use Value: 75 nV/√Hz input voltage noise and 25 fA/√Hz current noise preserve SNR in high-impedance sensor paths. |
Use Scenario: 0.1–10 Hz anti-aliasing and noise shaping in wearable biopotential monitors. IC Role / Device Role / Timing Role: Dual amplifier implementing low-pass topology - one stage sets pole location; the other provides gain and drive. Use Value: Guaranteed 32 kHz GBW at 1.8 V ensures filter cutoff accuracy within ±5% across –40°C to 85°C. |
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 offset (100 µV typ), higher supply current (35 µA), no rail-to-rail input - requires VCM ≥1.2 V above V–. | Better DC accuracy but incompatible with signals near negative rail; unsuitable for true 0–VS sensor interfaces. | Select MAX44260ASA+ only if input common-mode range >1.2 V above V– is acceptable and lower offset justifies 2.7× higher current. |
| OPA333AIDBVR | Zero-drift architecture, 10 µV max offset, 17 µA supply current, rail-to-rail I/O, but not specified below 2.7 V supply. | Superior long-term drift performance, but cannot operate from 1.8 V - excludes single-cell LiFePO₄ or alkaline designs. | Choose OPA333AIDBVR when ultra-low drift dominates over supply voltage flexibility and cost sensitivity. |
Compared with MAX44260ASA+ and OPA333AIDBVR, the LT6001CMS8#PBF uniquely balances 1.8 V operation, rail-to-rail input, sub-µV/°C drift, and industrial temperature rating - making it the only option for battery-powered sensor nodes requiring full-rail signal handling at minimal current.
Availability
LT6001CMS8#PBF is available at Aetrix Electronics and suitable for gas sensing, portable instrumentation, and battery-powered environmental monitoring requiring stable component supply across extended product lifecycles.
Supply support for LT6001CMS8#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, including rail-to-rail op amps engineered for low-power, high-accuracy signal conditioning.
The LT6000/LT6001/LT6002 family was designed specifically for always-on, battery-constrained applications demanding precision performance at 1.8 V - targeting sensor front-ends, portable medical devices, and energy-harvesting systems.
FAQ
What is the maximum input common-mode voltage range for LT6001CMS8#PBF?
The LT6001CMS8#PBF supports rail-to-rail input: its input common-mode voltage range extends from V– to V+, fully specified at 1.8 V and 5 V supplies across –40°C to 85°C. This enables direct interfacing with sensors whose output spans the entire supply range - such as resistive bridge elements or current-output transducers referenced to ground.
Does LT6001CMS8#PBF include a shutdown pin?
No, the LT6001CMS8#PBF (MS8 package) does not include a shutdown pin. Shutdown functionality is only available on the 10-lead DFN variant LT6001CDD#PBF. The MS8 version is a fixed-operating dual op amp with no enable control - power must be managed externally via supply rail switching.
What is the typical output swing capability of LT6001CMS8#PBF at 1.8 V supply?
At 1.8 V supply, the LT6001CMS8#PBF delivers rail-to-rail output swing: it drives within 30 mV of V+ and within 30 mV of V– under no-load conditions. With 100 µA sink/source load, swing degrades to 120–225 mV from each rail - sufficient for driving 16-bit SAR ADC references or low-power comparators without level-shifting.
How does LT6001CMS8#PBF handle input overvoltage conditions?
The LT6001CMS8#PBF incorporates internal 30 kΩ series resistors on both inputs and a complementary input stage that prevents phase reversal when inputs are driven up to 2 V below V–. Input current is limited to ±10 mA absolute maximum - external clamping is recommended if inputs may exceed V+ or fall below V– by >0.3 V for sustained periods.
Is LT6001CMS8#PBF suitable for driving capacitive loads?
Yes, the LT6001CMS8#PBF is stable with capacitive loads up to 100 pF in unity-gain configuration. For loads >100 pF, a series isolation resistor (10–100 Ω) between output and capacitance is recommended to maintain phase margin >60° - verified in Figure 23 of the datasheet across –40°C to 125°C.
LT6001CMS8#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:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT6001CMS8#PBF FAQ
1.How can I place an order for LT6001CMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6001CMS8#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 LT6001CMS8#PBF reliable?
The price and inventory of LT6001CMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6001CMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT6001CMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6001CMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6001CMS8#PBF?
LT6001CMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6001CMS8#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 LT6001CMS8#PBF?
For technical support, including LT6001CMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6001CMS8#PBF requirements.
6.How does Aetrix verify that LT6001CMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT6001CMS8#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 LT6001CMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT6001CMS8#PBF?
All LT6001CMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6001CMS8#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 LT6001CMS8#PBF part is unused and in its original packaging.
Return procedure for LT6001CMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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