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Analog Devices Inc. LT6011IMS8#PBF
- Part No.:
- LT6011IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT6011IMS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:8,039
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Product details
Overview
LT6011IMS8#PBF from Analog Devices (formerly Linear Technology) is a dual precision rail-to-rail output operational amplifier optimized for low-power, high-accuracy signal conditioning in single-supply systems. It delivers 135µA supply current per amplifier, 14nV/√Hz input voltage noise, <125µV max input offset voltage (–40°C to 85°C), and rail-to-rail output swing within 40mV of either rail at 5V supply - enabling use in thermocouple amplifiers and battery-powered instrumentation.
For engineers reviewing the LT6011IMS8#PBF datasheet, LT6011IMS8#PBF pinout, LT6011IMS8#PBF application, or LT6011IMS8#PBF equivalent, key selection criteria include guaranteed –40°C to 85°C operation, MS8 package thermal performance (θJA = 220°C/W), input bias current ≤±1500pA over temperature, and dual-channel matching for instrumentation-grade differential gain stages.
Technical Context
The LT6011IMS8#PBF employs a precision bipolar input stage with on-chip trimming to achieve sub-125µV offset and 0.8µV/°C drift, supported by internal 500Ω series input resistors and back-to-back protection diodes. Its architecture maintains 120dB minimum open-loop voltage gain (at ±15V) and 107dB CMRR while operating from 2.7V to 36V total supply.
It features matched dual amplifiers with ∆VOS ≤250µV and ∆IB ≤3000pA across –40°C to 85°C, enabling accurate differential sensing without external trimming. The output stage drives capacitive loads up to 500pF in unity gain and settles to 0.01% in 45µs for 2V steps.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 135µA per amplifier at 5V - enables multi-channel precision sensing in energy-constrained systems |
| Input Offset Voltage | ≤125µV max (–40°C to 85°C) - supports 16-bit ADC interfacing without calibration |
| Input Noise Density | 14nV/√Hz at 1kHz - preserves SNR in photo-diode and sensor front-ends |
| Rail-to-Rail Output | Swings to within 40mV of V+ and V– at 1mA load - maximizes dynamic range in 3.3V/5V single-supply designs |
| Gain Bandwidth | 225kHz min (–40°C to 85°C) - sufficient for DC-coupled instrumentation and filter applications |
| Common-Mode Range | V– +1V to V+ –1.2V - defines safe input voltage window for non-inverting configurations |
| Operating Temp | –40°C to 85°C - qualified for industrial and automotive under-hood sensor signal chains |
Pinout & Package
LT6011IMS8#PBF is housed in an 8-lead plastic MSOP (MS8) package with exposed pad connected to V–, offering θJA = 220°C/W for thermal management in compact layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive Supply Rail | Accepts 2.7V to 36V; decoupling required within 1cm for stability |
| OUT B | Amplifier B Output | Rail-to-rail capable; drive ≥10kΩ load for full swing specification |
| –IN B | Inverting Input B | Protected by 500Ω series resistor and back-to-back diodes |
| +IN B | Non-Inverting Input B | High-impedance node; guard ring recommended for >1GΩ source impedances |
| OUT A | Amplifier A Output | Electrically identical to OUT B; channel separation ≥110dB minimizes crosstalk |
| –IN A | Inverting Input A | Matched to –IN B for differential pair accuracy; ∆IB ≤3000pA over temperature |
| +IN A | Non-Inverting Input A | Same layout-sensitive precision as +IN B; avoid thermal gradients near this pin |
| V– | Negative Supply Rail / Exposed Pad Reference | Exposed pad must be soldered to PCB ground plane for thermal and noise performance |
Key Features
| Feature | Design Value |
|---|---|
| Low Input Bias Current | ≤±1500pA max over –40°C to 85°C - enables high-Z sensor interfaces without significant error |
| Offset Voltage Drift | 0.8µV/°C max - ensures <1µV total drift across industrial temperature range |
| Output Short-Circuit Protection | Indefinite duration at ±1V overdrive - eliminates need for external current limiting in fault conditions |
| Power Supply Rejection | 112dB min over temperature - rejects ripple and noise on shared 3.3V/5V rails |
| Input Common-Mode Range | V– +1V to V+ –1.2V - defines usable input span in single-supply non-inverting amplifiers |
Applications
| Thermocouple Amplifiers | Precision Photo-Diode Amplifiers |
|---|---|
Use Scenario: Cold-junction compensation and µV-level thermocouple signal amplification in industrial process controllers. IC Role / Device Role / Timing Role: Dual-op-amp configuration: one channel buffers reference junction, second performs low-noise, high-gain amplification of Seebeck voltage. Use Value: 14nV/√Hz noise density and <125µV offset enable resolution of <0.1°C temperature changes with standard K-type thermocouples. | Use Scenario: Transimpedance amplification of nanoamp-level photocurrent from scientific-grade photodiodes. IC Role / Device Role / Timing Role: Single-amplifier TIA with feedback resistor ≥10MΩ; second amplifier provides offset-nulling or filtering. Use Value: ≤±1500pA input bias current prevents saturation and enables stable 100dB+ dynamic range measurement. |
| Instrumentation Amplifiers | Battery-Powered Precision Systems |
Use Scenario: Building 3-op-amp in-amps for medical ECG front-ends requiring >100dB CMRR and low power. IC Role / Device Role / Timing Role: Two LT6011IMS8#PBF units serve as matched input buffers; third op-amp (external) handles gain and common-mode rejection. Use Value: ∆VOS ≤250µV and ∆CMRR ≥101dB ensure high common-mode rejection without manual trimming. | Use Scenario: Portable gas analyzers using electrochemical sensors with microamp output currents. IC Role / Device Role / Timing Role: Dual-channel signal conditioning: one amp for sensor biasing, second for low-drift amplification before 16-bit SAR ADC. Use Value: 135µA per amplifier allows >100-hour battery life in AA-powered handheld instruments with dual-sensor capability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8628ARMZ | Zero-drift chopper architecture; 0.005µV/°C drift vs. 0.8µV/°C; higher 1/f noise; 1.5mA supply current | Superior long-term drift stability but unsuitable for low-noise AC-coupled sensor paths due to switching artifacts | Select AD8628ARMZ only when ultra-low drift dominates over noise and power constraints |
| OPA2189IDR | Zero-drift design; 0.005µV/°C drift; 5.6nV/√Hz noise; 250µA supply current; no rail-to-rail output | Higher precision and lower noise, but output swing limited to 1.2V from rails - requires ≥6V supply for 4Vpp output | Choose OPA2189IDR when absolute offset stability is critical and supply headroom permits non-rail-to-rail operation |
Compared with AD8628ARMZ and OPA2189IDR, the LT6011IMS8#PBF offers the optimal balance of rail-to-rail output, ultra-low power (135µA), and 14nV/√Hz noise - making it uniquely suited for battery-powered, wide-dynamic-range sensor interfaces where zero-drift artifacts or supply overhead are unacceptable.
Availability
LT6011IMS8#PBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, precision photo-diode amplifiers, instrumentation amplifiers, battery-powered precision systems, and low-voltage precision systems requiring stable component supply across extended temperature ranges.
Supply support for LT6011IMS8#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 with rigorous qualification standards for industrial and aerospace applications.
The LT6011 family was designed specifically for high-accuracy, low-power signal conditioning in space-constrained, single-supply environments - emphasizing rail-to-rail output, low input bias current, and guaranteed –40°C to 85°C performance without derating.
FAQ
What is the maximum input common-mode voltage range for LT6011IMS8#PBF?
The LT6011IMS8#PBF input stage operates safely between V– +1V and V+ –1.2V. Exceeding this range causes gain collapse but no phase reversal. For example, with a 5V/0V supply, valid input voltages are 1V to 3.8V; with ±15V supplies, the range is ±13.5V. This limitation is critical when designing non-inverting amplifiers with rail-referenced inputs.
Does LT6011IMS8#PBF support capacitive loads, and what is the maximum value?
Yes, LT6011IMS8#PBF drives capacitive loads up to 500pF in unity-gain configuration. Performance degrades above this value, causing peaking or instability. For loads >500pF, add a small series resistor (e.g., 10–50Ω) between the output and capacitor to restore stability - verified in typical performance plots Figure G23 and G26.
What is the guaranteed input offset voltage specification for LT6011IMS8#PBF over temperature?
LT6011IMS8#PBF (I-grade, MS8 package) guarantees ≤125µV maximum input offset voltage across –40°C to 85°C, per Electrical Characteristics Table on page 4 of the datasheet. At 25°C, typical VOS is 30µV, and the worst-case drift adds ≤0.8µV/°C × 125°C = 100µV, aligning with the 125µV limit.
How does the MS8 package thermal performance compare to SO-8 for LT6011IMS8#PBF?
LT6011IMS8#PBF in MS8 has θJA = 220°C/W, significantly higher than SO-8's 190°C/W due to smaller footprint and thinner profile. To achieve comparable junction temperatures, the MS8 variant requires more aggressive PCB copper pour on the exposed V– pad and adjacent ground planes - confirmed in Package Description page 16.
Is LT6011IMS8#PBF pin-compatible with other LT6011 variants like LT6011IS8#PBF?
No - LT6011IMS8#PBF (MSOP-8) and LT6011IS8#PBF (SO-8) share identical pin functions but differ physically: MS8 has 0.65mm lead pitch and 3mm × 3mm body, while SO-8 uses 1.27mm pitch and 4.9mm × 3.9mm body. PCB layout and reflow profiles must be redesigned; they are not drop-in replacements.
LT6011IMS8#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:
- 0.11V/µs
- Gain Bandwidth Product:
- 350 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 20 pA
- Voltage - Input Offset:
- 35 µV
- Current - Supply:
- 135µA (x2 Channels)
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT6011IMS8#PBF FAQ
1.How can I place an order for LT6011IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6011IMS8#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 LT6011IMS8#PBF reliable?
The price and inventory of LT6011IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6011IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT6011IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6011IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6011IMS8#PBF?
LT6011IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6011IMS8#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 LT6011IMS8#PBF?
For technical support, including LT6011IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6011IMS8#PBF requirements.
6.How does Aetrix verify that LT6011IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT6011IMS8#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 LT6011IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT6011IMS8#PBF?
All LT6011IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6011IMS8#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 LT6011IMS8#PBF part is unused and in its original packaging.
Return procedure for LT6011IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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