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Analog Devices Inc. LT6013CS8#PBF
- Part No.:
- LT6013CS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT6013CS8#PBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,871
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Product details
Overview
LT6013CS8#PBF from Analog Devices (formerly Linear Technology) is a single, rail-to-rail output precision operational amplifier optimized for low-noise, micro-power sensor interface applications. It delivers 9.5nV/√Hz input voltage noise at 1kHz, 35µV max input offset voltage (A-grade), 145µA supply current per amplifier, and stable operation at gain ≥5 - making it ideal for thermocouple amplification and battery-powered instrumentation.
For engineers reviewing the LT6013CS8#PBF datasheet, LT6013CS8#PBF pinout, LT6013CS8#PBF application, or LT6013CS8#PBF equivalent, key selection criteria include guaranteed AV ≥5 stability, ±18V max supply range, 0.2V/µs slew rate, 1.4MHz GBW, and SO-8 package compatibility with precision analog signal chains requiring low drift (0.8µV/°C max) and high CMRR (135dB).
Technical Context
The LT6013CS8#PBF employs a decompensated internal architecture requiring minimum closed-loop gain of 5 for stability - unlike unity-gain stable op amps. Its input stage uses on-chip bias current cancellation to achieve ≤250pA max IB while maintaining uncorrelated IB+ and IB– paths, critical for high-impedance photodiode or bridge sensor interfaces.
It features rail-to-rail output swing (within 40mV of rails at no load), operates from 2.7V single supply to ±18V dual supply, and maintains 120dB min open-loop gain and 112dB min PSRR over temperature - enabling accurate DC-coupled amplification in low-voltage industrial and medical sensing systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 35µV max (A-grade, –40°C to 85°C) - enables sub-100µV system-level DC accuracy without trimming |
| Input Voltage Noise Density | 9.5nV/√Hz at 1kHz - supports low-noise amplification of µV-level sensor signals |
| Supply Current per Amplifier | 145µA at 5V - allows multi-year battery life in portable precision instruments |
| Gain Bandwidth Product | 1.4MHz - sufficient for 10kHz bandwidth at gain=100 without phase margin loss |
| Input Bias Current | ±250pA max (A-grade) - preserves accuracy with >1MΩ source impedances |
| Common-Mode Rejection Ratio | 135dB - rejects power supply ripple and ground noise in noisy industrial environments |
| Slew Rate | 0.2V/µs - supports 10kHz full-scale step response with <0.1% distortion |
Pinout & Package
LT6013CS8#PBF is housed in an 8-lead plastic SO (Small Outline) package with JEDEC MS-012AC outline, 150°C max junction temperature, and standard 0.150" body width. Pin 1 is marked by a notch or dot; exposed pad is not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive Supply Rail | Accepts 2.7V to +18V (single) or up to ±18V (dual); powers internal bias networks |
| OUT | Amplifier Output | Rail-to-rail swing (to within 40mV of V+ or V–); drives ≥2kΩ loads |
| NC | No Connect | Internally unused; must be left floating or tied to ground per layout best practice |
| V– | Negative Supply Rail | Accepts 0V (single) or down to –18V (dual); connects to underside metal in DFN variants (not applicable here) |
| –IN | Inverting Input | Differential input node; protected by 500Ω series resistors and back-to-back diodes |
| +IN | Non-Inverting Input | Differential input node; same protection as –IN; common-mode range = V– +1V to V+ –1.2V |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail Output | Swings to within 40mV of either supply rail at no load - maximizes dynamic range in 3.3V or 5V systems |
| Low 1/f Noise | 200nVP-P (0.1Hz–10Hz) - minimizes drift-induced errors in DC-coupled sensor front-ends |
| Gain ≥5 Stability | Stable with ≥500pF capacitive load at AV=5 - simplifies anti-alias filter integration without external compensation |
| High PSRR | 112dB min (2.7V–36V supply range) - maintains accuracy despite supply ripple in shared-rail embedded systems |
| Low VOS Drift | 0.8µV/°C max - ensures <1µV total drift over 0–70°C ambient, critical for uncalibrated field instruments |
Applications
| Thermocouple Amplifier | Precision Photodiode Amplifier |
|---|---|
Use Scenario: Amplifying µV-level Seebeck voltages from K-type thermocouples in HVAC controllers with 0.1°C resolution. IC Role / Device Role / Timing Role: Primary signal-conditioning amplifier with cold-junction compensation interface. Use Value: 35µV max VOS and 0.8µV/°C drift enable direct digitization without software calibration across –20°C to 85°C ambient. | Use Scenario: Converting nanoamp photocurrent from IR photodiodes in portable gas analyzers. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) with guarded input and low IB. Use Value: ±250pA max IB prevents >250nV error across 1MΩ feedback resistor, preserving 12-bit ENOB at 100Hz bandwidth. |
| Instrumentation Amplifier Front-End | Battery-Powered Precision System |
Use Scenario: First-stage gain block in 3-op-amp INA for strain gauge bridges in handheld torque meters. IC Role / Device Role / Timing Role: High-CMRR differential receiver with matched VOS and IB across channels. Use Value: 135dB CMRR and 250pA IB ensure <0.01% gain error from common-mode interference in 10mV full-scale bridges. | Use Scenario: Signal conditioning in coin-cell-powered environmental sensors logging temperature/humidity every 5 minutes. IC Role / Device Role / Timing Role: Low-power analog front-end amplifier with shutdown-capable biasing. Use Value: 145µA quiescent current extends CR2032 battery life beyond 3 years in intermittent-sampling mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT6010CS8#PBF | Unity-gain stable; higher 14nV/√Hz noise; includes shutdown pin | Supports gain=1 configurations (e.g., buffers) where LT6013CS8#PBF cannot be used | Select when circuit requires unity-gain operation or power cycling - trade-off is +4.5nV/√Hz noise and +30µA supply current |
| OPA333AIDR | Zero-drift architecture; 0.1µV/°C drift; 17µV max VOS; 1.8–5.5V supply only | Limited to low-voltage single-supply systems; lacks ±18V capability and high PSRR | Select for ultra-low drift in 3.3V IoT nodes - avoid if operating above 5.5V or requiring >100dB PSRR at 60Hz |
Compared with LT6010CS8#PBF and OPA333AIDR, LT6013CS8#PBF uniquely balances ultra-low noise (9.5nV/√Hz), wide supply range (2.7V to ±18V), and micro-power operation (145µA) - making it optimal for high-precision, wide-dynamic-range sensor interfaces where gain ≥5 is acceptable and supply headroom is constrained.
Availability
LT6013CS8#PBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, precision photodiode amplifiers, and battery-powered instrumentation requiring stable component supply, long-term calibration retention, and low-noise analog signal conditioning.
Supply support for LT6013CS8#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, known for high-performance op amps, references, and signal conditioning ICs targeting industrial, medical, and test equipment.
The LT6013CS8#PBF belongs to Linear's rail-to-rail output precision op amp family, designed specifically for micro-power, low-noise sensor interface applications where DC accuracy, thermal stability, and supply flexibility outweigh unity-gain convenience.
FAQ
What is the minimum stable gain for LT6013CS8#PBF?
The LT6013CS8#PBF is decompensated and requires a minimum closed-loop gain of 5 for stability. This is explicitly specified in the datasheet - using it at unity gain or gain-of-2 will cause oscillation. Gain is defined as 1 + RF/RG for non-inverting and 1 + RF/RG for inverting configurations. The LT6013CS8#PBF must "see" gain ≥5 between its inputs and output.
Does LT6013CS8#PBF support rail-to-rail input operation?
No, LT6013CS8#PBF does not support rail-to-rail input. Its input common-mode voltage range is limited to V– +1V to V+ –1.2V. For example, with ±15V supplies, valid input range is –14V to +13.8V; with 5V/0V supply, it is 1V to 3.8V. Exceeding this range causes gain collapse but no phase reversal.
What is the maximum capacitive load LT6013CS8#PBF can drive at gain=5?
At gain ≥5, LT6013CS8#PBF can drive up to 500pF capacitive load while maintaining stability and specified phase margin. Driving larger capacitance requires isolation via a small series resistor (e.g., 10–50Ω) between output and load, or increasing closed-loop gain to improve phase margin.
Is LT6013CS8#PBF pin-compatible with other SO-8 op amps like OP27 or AD8628?
No, LT6013CS8#PBF is not pin-compatible with OP27 or AD8628. Its SO-8 pinout (V+, OUT, NC, V–, –IN, +IN, NC, NC) differs fundamentally - OP27 uses –IN, +IN, V–, OUT, NC, V+, NC, NC, and AD8628 uses V–, +IN, –IN, V+, OUT, NC, NC, NC. Direct replacement requires PCB redesign.
What does the 'C' grade in LT6013CS8#PBF signify?
The 'C' in LT6013CS8#PBF denotes the commercial temperature grade, specified from 0°C to 70°C. While functional over –40°C to 85°C, only the 'I' (industrial) and 'A' (A-grade) variants are fully tested and guaranteed across that extended range. The 'C' grade offers cost-optimized performance for benign-environment applications.
LT6013CS8#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:
- 0.2V/µs
- Gain Bandwidth Product:
- 1.4 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 100 pA
- Voltage - Input Offset:
- 25 µV
- Current - Supply:
- 200µA
- 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
LT6013CS8#PBF FAQ
1.How can I place an order for LT6013CS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6013CS8#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 LT6013CS8#PBF reliable?
The price and inventory of LT6013CS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6013CS8#PBF is usually 5 days.
3.What payment methods are accepted for LT6013CS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6013CS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6013CS8#PBF?
LT6013CS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6013CS8#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 LT6013CS8#PBF?
For technical support, including LT6013CS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6013CS8#PBF requirements.
6.How does Aetrix verify that LT6013CS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT6013CS8#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 LT6013CS8#PBF meets industry standards.
7.What is the process for return or replacement of LT6013CS8#PBF?
All LT6013CS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6013CS8#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 LT6013CS8#PBF part is unused and in its original packaging.
Return procedure for LT6013CS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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