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Analog Devices Inc. LT6010ACS8#PBF
- Part No.:
- LT6010ACS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT6010ACS8#PBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:153
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Product details
Overview
LT6010ACS8#PBF from Analog Devices (formerly Linear Technology) is a single, rail-to-rail output precision operational amplifier with shutdown control, designed for low-noise, high-accuracy signal conditioning in battery-powered and sensor interface applications. It delivers 35µV max input offset voltage, 110pA max input bias current, 135µA supply current at 5V, 14nV/√Hz input voltage noise, and operates from 2.7V to ±18V supplies across –40°C to 85°C.
For engineers reviewing the LT6010ACS8#PBF datasheet, LT6010ACS8#PBF pinout, LT6010ACS8#PBF application, or LT6010ACS8#PBF equivalent, key selection criteria include its guaranteed 0.8µV/°C VOS drift over temperature, 120dB min voltage gain at ±15V, shutdown current of 12µA, rail-to-rail output swing within 40mV of rails, and SO-8 package compatibility with precision thermocouple and RTD amplifier designs.
Technical Context
The LT6010ACS8#PBF uses a proprietary input stage with on-chip trimming to achieve sub-35µV offset and 0.8µV/°C drift, supported by 120dB minimum open-loop gain and 107dB min CMRR over full temperature range. Its internal 500Ω series input resistors and back-to-back diodes provide ±10V differential input protection.
Shutdown is implemented via a dedicated SHDN pin requiring ≤0.2V above V– for active mode and ≥2.0V above V– to reduce supply current to 12µA; the output remains connected to inputs during shutdown, precluding multiplexing use. The amplifier maintains rail-to-rail output swing (to within 40mV of either rail) while restricting input common-mode range to V– + 0.7V to V+ – 1.2V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | Max 35µV at 0°C to 70°C; ensures <0.1mV error in 10V full-scale precision measurement systems |
| Input Bias Current | Max ±110pA at 0°C to 70°C; enables stable operation with >10GΩ feedback networks and high-Z sensors |
| Supply Current | 135µA typical at 5V; supports >1-year battery life in continuous 3.3V sensor nodes |
| Input Voltage Noise | 14nV/√Hz at 1kHz; dominates system noise only below 20kΩ source impedance |
| Rail-to-Rail Output | Swings to within 40mV of V+ and V–; delivers full dynamic range in single-supply 3.3V data acquisition |
| Shutdown Current | 12µA max; reduces power by >90% during idle periods in portable instrumentation |
| Gain Bandwidth Product | 250kHz min; supports stable closed-loop gain up to 100 at DC–1kHz bandwidth |
| Common-Mode Rejection | 107dB min over –40°C to 85°C; rejects >99.999% of supply ripple in unregulated battery systems |
Pinout & Package
LT6010ACS8#PBF is housed in an 8-lead plastic SOIC (SO-8, narrow 0.150") package with exposed pad internally connected to V–. Pin 1 is marked with a notch or dot; the package meets JEDEC MS-012 standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | No-connect terminal | Internally unused; must be left floating or tied to V– per layout guidelines |
| 2 (–IN) | Inverting input | Differential node for feedback networks; requires guard ring in high-Z photodiode applications |
| 3 (+IN) | Non-inverting input | Reference input for single-ended sensing; sensitive to thermocouple EMF from PCB thermal gradients |
| 4 (V–) | Negative supply | Reference for SHDN logic and internal bias; exposed pad must be soldered to PCB ground plane |
| 5 (NULL) | No-connect terminal | Internally unused; must be left floating or tied to V– |
| 6 (V+) | Positive supply | Accepts 2.7V to +18V or ±1.35V to ±18V; decoupling capacitor required within 1cm |
| 7 (OUT) | Amplifier output | Capable of sourcing/sinking 10mA; drives capacitive loads up to 500pF in unity-gain configuration |
| 8 (SHDN) | Shutdown control | CMOS-compatible input; 85kΩ internal pull-down; external resistor needed if driving from >2V sources |
Key Features
| Feature | Design Value |
|---|---|
| Trimmed input offset voltage | 35µV max over 0°C–70°C ensures <0.035% FSR error without calibration in 10V systems |
| Rail-to-rail output swing | 40mV headroom at both rails enables full-scale utilization of 3.3V ADCs without level-shifting |
| Low-power shutdown mode | 12µA quiescent current allows microcontroller-controlled duty cycling in portable meters |
| High input resistance | 10GΩ common-mode input resistance minimizes loading on high-impedance pH electrodes and piezoelectric sensors |
| Input protection circuitry | Integrated 500Ω series resistors and back-to-back diodes limit input current to 10mA at ±10V differential |
| Stable with capacitive loads | Drives up to 500pF directly in unity gain, eliminating need for isolation resistors in photodiode TIA layouts |
Applications
| Thermocouple Amplification | Precision RTD Signal Conditioning |
|---|---|
Use Scenario: Amplifying µV-level Seebeck voltages from Type-K thermocouples in industrial process controllers with cold-junction compensation. IC Role / Device Role / Timing Role: Primary signal-conditioning op amp in a two-op-amp instrumentation topology, providing gain, filtering, and rail-to-rail output drive into a 16-bit SAR ADC. Use Value: 35µV offset and 0.8µV/°C drift ensure <±0.5°C accuracy over –40°C to 85°C ambient without software correction. | Use Scenario: Exciting 1kΩ platinum RTD (PT1000) with constant-current source and amplifying the resulting voltage in HVAC temperature transmitters. IC Role / Device Role / Timing Role: Precision current-source amplifier and buffer in a 4-wire Kelvin RTD measurement circuit operating from 3.3V single supply. Use Value: 110pA input bias current prevents >0.1Ω measurement error in 10kΩ bridge arms; rail-to-rail output maximizes ADC dynamic range. |
| Photodiode Transimpedance Amplifier | Battery-Powered Data Loggers |
Use Scenario: Converting photocurrent from low-capacitance photodiodes (e.g., SFH203) in optical smoke detectors with 6MHz bandwidth requirement. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier (TIA) with 330kΩ feedback resistor, followed by gain-stage buffering. Use Value: 14nV/√Hz input voltage noise and 0.1pA/√Hz current noise minimize total input-referred noise below 1pA RMS in 100kHz bandwidth. | Use Scenario: Front-end signal conditioning for multi-channel environmental sensors (temperature, humidity, CO₂) in solar-powered remote monitoring nodes. IC Role / Device Role / Timing Role: General-purpose precision amplifier for sensor excitation, analog filtering, and ADC driver in ultra-low-power sleep/wake cycles. Use Value: 135µA active current and 12µA shutdown current enable >5-year battery life using two AA cells in 1% duty-cycle operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA333AIDR | Zero-drift architecture; 0.1µV/°C max drift vs. LT6010ACS8#PBF's 0.8µV/°C; higher 17µA supply current | Superior long-term stability for metrology; less suitable for battery-critical designs due to higher quiescent current | Select OPA333AIDR when drift-critical calibration intervals exceed 1 year; retain LT6010ACS8#PBF for optimal power/noise trade-off |
| ADA4522-1ARZ | Zero-drift; 0.005µV/°C max drift; 1.25mA supply current; no shutdown pin | Ultra-high DC precision for laboratory instruments; unsuitable for portable devices requiring power gating | Choose ADA4522-1ARZ for benchtop test equipment demanding sub-ppm linearity; LT6010ACS8#PBF remains preferred for field-deployable sensors |
Compared with OPA333AIDR and ADA4522-1ARZ, the LT6010ACS8#PBF uniquely balances sub-µV/°C drift, 135µA supply current, integrated shutdown, and SO-8 footprint-making it the optimal choice for cost-sensitive, battery-powered precision systems where zero-drift complexity and power overhead are unnecessary.
Availability
LT6010ACS8#PBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, RTD signal conditioners, photodiode transimpedance amplifiers, and battery-powered data loggers requiring stable component supply throughout design, prototyping, and volume production phases.
Supply support for LT6010ACS8#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, formed through the acquisition of Linear Technology in 2017.
The LT6010 product line was developed by Linear Technology to address ultra-low-power, high-precision signal conditioning needs in portable instrumentation, industrial sensors, and medical diagnostics-emphasizing low offset, low drift, and rail-to-rail output in compact packages.
FAQ
What is the maximum input common-mode voltage range for LT6010ACS8#PBF?
The LT6010ACS8#PBF input common-mode voltage range is specified as V– + 0.7V to V+ – 1.2V under guaranteed conditions. At VS = 5V (0V), this translates to 0.7V to 3.8V; at ±15V supplies, it is –14.3V to +13.8V. Operation outside this range degrades gain but does not cause phase reversal. The LT6010ACS8#PBF datasheet confirms this range is guaranteed by CMRR performance over –40°C to 85°C.
Does LT6010ACS8#PBF support true rail-to-rail input operation?
No, the LT6010ACS8#PBF does not support rail-to-rail input operation. Its input stage is limited to V– + 0.7V to V+ – 1.2V, as confirmed in the "Input Voltage Range" specifications. However, its rail-to-rail output swing (within 40mV of both rails) makes it suitable for single-supply applications where the output must utilize the full supply range-provided input signals remain within the specified common-mode window. The LT6010ACS8#PBF application notes explicitly caution against exceeding this input range.
How does the shutdown function operate on LT6010ACS8#PBF?
The LT6010ACS8#PBF enters shutdown when the SHDN pin voltage is ≥2.0V above V–, reducing supply current to 12µA max. It resumes normal operation when SHDN ≤ V– + 0.2V. An internal 85kΩ pull-down resistor biases SHDN toward V–. External series resistance is recommended when driving SHDN from sources >2V to limit pin current. Critically, the output remains connected to inputs during shutdown, so the LT6010ACS8#PBF cannot be used for analog multiplexing.
What is the typical total input noise of LT6010ACS8#PBF at 1kHz with a 100kΩ source?
At 1kHz with a 100kΩ source, the LT6010ACS8#PBF total input noise is dominated by thermal noise of the source (4√(kTR) ≈ 1.3nV/√Hz) plus its own 14nV/√Hz voltage noise, yielding ~14.1nV/√Hz. This is confirmed in the "Total Input Noise vs Source Resistance" plot (Figure G07), where total noise asymptotically approaches the amplifier's voltage noise floor above 20kΩ. The LT6010ACS8#PBF datasheet states that for sources between 20kΩ and 1MΩ, system noise is source-limited.
Can LT6010ACS8#PBF drive a 1000pF load in unity-gain configuration?
No, the LT6010ACS8#PBF is characterized to drive up to 500pF in unity-gain configuration without instability, as stated in the "Capacitive Loads" section. Driving 1000pF directly would likely cause peaking or oscillation. To drive larger capacitive loads, increase closed-loop gain (e.g., AV = –10 improves phase margin) or add a small series resistor (e.g., 10–50Ω) between the LT6010ACS8#PBF output and the load capacitance, as recommended in the application notes.
LT6010ACS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.11V/µs
- Gain Bandwidth Product:
- 350 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 nA
- Voltage - Input Offset:
- 10 µV
- Current - Supply:
- 260µA
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT6010ACS8#PBF FAQ
1.How can I place an order for LT6010ACS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6010ACS8#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 LT6010ACS8#PBF reliable?
The price and inventory of LT6010ACS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6010ACS8#PBF is usually 5 days.
3.What payment methods are accepted for LT6010ACS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6010ACS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6010ACS8#PBF?
LT6010ACS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6010ACS8#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 LT6010ACS8#PBF?
For technical support, including LT6010ACS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6010ACS8#PBF requirements.
6.How does Aetrix verify that LT6010ACS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT6010ACS8#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 LT6010ACS8#PBF meets industry standards.
7.What is the process for return or replacement of LT6010ACS8#PBF?
All LT6010ACS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6010ACS8#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 LT6010ACS8#PBF part is unused and in its original packaging.
Return procedure for LT6010ACS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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