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Analog Devices Inc. LT1013IN8#PBF
- Part No.:
- LT1013IN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LT1013IN8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:297
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Product details
Overview
LT1013IN8#PBF from Analog Devices (formerly Linear Technology) is a dual precision operational amplifier in an 8-pin PDIP package, designed for low-voltage, single-supply instrumentation applications. It delivers guaranteed input offset voltage ≤150 µV, drift ≤2 µV/°C, supply current ≤500 µA per amplifier, and rail-to-rail output swing to ground while sinking current - enabling high-accuracy signal conditioning in battery-powered thermocouple amplifiers and strain gauge interfaces.
For engineers reviewing the LT1013IN8#PBF datasheet, LT1013IN8#PBF pinout, LT1013IN8#PBF application, or LT1013IN8#PBF equivalent, this page provides verified specifications, thermal-rated package details (–40°C to +85°C), single-supply operation guidance, and real-world design context for precision analog front-ends in industrial sensing and portable instrumentation.
Technical Context
The LT1013IN8#PBF integrates two matched, laser-trimmed op amps with all-NPN output stages that maintain high open-loop gain (>1.5 million at ±15 V, >1.0 million at 5 V) and low crossover distortion even under single-supply conditions. Its input stage includes 400 Ω series resistors and phase-reversal protection circuitry (Q21–Q28), allowing safe operation with inputs extending 5 V below ground without latch-up or output inversion.
It supports true single-supply operation from 3.4 V to ±22 V, with input common-mode range including ground and output swing to within 3.2 mV of ground (at 1 mA sink, 5 V supply). Channel separation exceeds 120 dB at 1 kHz, minimizing crosstalk in multi-channel sensor systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ≤150 µV max - enables sub-mV DC accuracy in bridge amplifiers without nulling pins |
| Offset Drift | ≤2 µV/°C max - ensures stable calibration over industrial temperature range (–40°C to +85°C) |
| Supply Current | ≤500 µA per amplifier - allows ultra-low-power operation in 9 V battery systems (e.g., portable DMMs) |
| Output Swing (Low) | ≤3.2 mV above ground (RL = 600 Ω, ISINK = 1 mA) - supports true 0 V reference in 4–20 mA transmitters |
| Common-Mode Rejection | ≥97 dB - rejects noise in high-impedance sensor interfaces like thermocouples and RTDs |
| Gain-Bandwidth Product | ~0.8 MHz - sufficient for anti-alias filtering and low-frequency active filters (e.g., <100 Hz seismic sensors) |
| Noise (0.1–10 Hz) | 0.55 µVP-P - critical for high-resolution DC measurements in strain gauge bridges |
Pinout & Package
LT1013IN8#PBF uses the N8 (8-lead PDIP) package with JEDEC MS-001AC footprint, rated for –40°C to +85°C operation and 130°C/W junction-to-ambient thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | –IN A | Inverting input of Amplifier A - referenced to ground in single-supply configurations |
| 2 | +IN A | Non-inverting input of Amplifier A - accepts signals down to 0 V (ground) |
| 3 | OUT A | Amplifier A output - drives loads to within millivolts of ground while sinking ≥1 mA |
| 4 | V– | Negative supply pin - tied to ground in single-supply mode (0 V) |
| 5 | V+ | Positive supply pin - accepts 3.4 V to +22 V (single) or ±22 V (dual) |
| 6 | OUT B | Amplifier B output - independently buffered; no shared output stage |
| 7 | +IN B | Non-inverting input of Amplifier B - electrically isolated from Amplifier A inputs |
| 8 | –IN B | Inverting input of Amplifier B - protected by internal 400 Ω series resistor against negative overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation from 3.4 V | Enables direct use with 3× NiCd or Li-ion cells without charge pumps or LDOs |
| Input range extends to ground | Eliminates need for level-shifting networks in 0–5 V sensor outputs (e.g., pressure transducers) |
| Output swings to ground while sinking current | Supports true 0 V output in 4–20 mA loop transmitters without external pull-down resistors |
| Phase reversal protection | Prevents catastrophic lock-up in servo loops when inputs go ≤ –400 mV (e.g., ESD transients on thermocouple lines) |
| Guaranteed low noise (0.55 µVP-P) | Meets 16-bit ADC resolution requirements in 24-bit sigma-delta systems with proper gain staging |
Applications
| Thermocouple Amplifier | Strain Gauge Signal Conditioner |
|---|---|
Use Scenario: Amplifying µV-level K-type thermocouple outputs across –40°C to +85°C ambient, with cold-junction compensation. IC Role / Device Role / Timing Role: Dual op amp configures first stage as low-noise differential amplifier and second stage as precision buffer/output driver. Use Value: Guaranteed 150 µV offset and 2 µV/°C drift ensure ≤±1°C measurement error without software calibration. | Use Scenario: Conditioning full-bridge strain gauge outputs (350 Ω) in load cells for industrial weighing systems. IC Role / Device Role / Timing Role: One amplifier serves as instrumentation amplifier gain stage; the other provides ratiometric reference buffering. Use Value: 0.55 µVP-P noise and 97 dB CMRR preserve microstrain resolution in noisy factory environments. |
| 4–20 mA Current Loop Transmitter | Portable Battery-Powered Instrumentation |
Use Scenario: Converting 0–4 V sensor output into fully floating 4–20 mA loop signal for PLC interface. IC Role / Device Role / Timing Role: Dual op amp implements voltage-to-current conversion with precise zero/scale trims and output compliance. Use Value: Output swing to 3.2 mV above ground enables true 4 mA minimum current without external bias components. | Use Scenario: Powering handheld multimeters, pH meters, or environmental sensors from 9 V alkaline batteries. IC Role / Device Role / Timing Role: Precision dual op amp performs sensor excitation, signal amplification, and ADC driver functions. Use Value: 500 µA max supply current per amplifier extends battery life to >1000 hours at 1 sample/sec. |
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 |
|---|---|---|---|
| OP2177ARZ | Lower offset (25 µV typ), higher cost, SO-8 only - no PDIP option | Requires PCB redesign; better for new designs needing tighter DC specs | Select if offset drift <0.6 µV/°C is mandatory and PDIP is not required |
| LM358DR | Higher offset (3 mV max), no phase reversal protection, 700 µA supply current | Acceptable for non-critical consumer-grade applications; fails under negative input transients | Select only for cost-sensitive, non-precision applications where ground-referenced inputs are guaranteed |
Compared with OP2177ARZ and LM358DR, the LT1013IN8#PBF uniquely balances guaranteed precision (150 µV offset), robust single-supply operation (input/output to ground), phase reversal immunity, and through-hole PDIP packaging - making it irreplaceable for legacy industrial upgrades and ruggedized portable instrumentation.
Availability
LT1013IN8#PBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, strain gauge conditioners, and 4–20 mA loop transmitters requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LT1013IN8#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 legacy precision analog portfolio with full datasheet, reliability, and cross-reference support.
The LT1013 product line was engineered specifically for high-accuracy, low-power, single-supply instrumentation - targeting applications where laser-trimmed DC performance, ground-swing capability, and transient-hardened inputs are non-negotiable.
FAQ
What is the operating temperature range for LT1013IN8#PBF?
The LT1013IN8#PBF is specified for operation from –40°C to +85°C, matching the "I" grade designation in Linear Technology's ordering matrix. This range is validated across all key parameters including input offset voltage, drift, and output swing - making LT1013IN8#PBF suitable for industrial control cabinets and outdoor sensor nodes without derating.
Does LT1013IN8#PBF support true single-supply operation with input and output referenced to ground?
Yes, LT1013IN8#PBF fully supports single-supply operation from 3.4 V to 5 V. Its input common-mode range extends to ground (0 V), and its output can swing to within 3.2 mV of ground while sinking 1 mA - confirmed in the Electrical Characteristics table under VS = 5 V, 0 V conditions. This eliminates level-shifting circuitry in LT1013IN8#PBF-based sensor interfaces.
How does LT1013IN8#PBF prevent phase reversal during negative input transients?
LT1013IN8#PBF incorporates dedicated phase reversal protection circuitry (transistors Q21, Q22, Q27, Q28) that clamps internal node voltages during inputs ≤ –400 mV. Unlike LM358 or OP27, LT1013IN8#PBF maintains correct polarity even at –1.5 V input - critical for protecting servo loops in LT1013IN8#PBF-based motion controllers.
Can LT1013IN8#PBF drive a 600 Ω load while maintaining precision performance?
Yes, LT1013IN8#PBF guarantees large-signal voltage gain ≥1.0 V/µV (1 million) with RL = 600 Ω at ±15 V supply, and ≥0.8 million at 5 V supply. Its all-NPN output stage sustains high open-loop gain under heavy loading - ensuring LT1013IN8#PBF maintains accuracy in 4–20 mA transmitter output stages and active filter buffers driving coaxial cables.
Is LT1013IN8#PBF pin-compatible with legacy dual op amps like MC1458 or LM158?
LT1013IN8#PBF uses the standard 8-pin DIP pinout (N8 package) and is functionally pin-compatible with MC1458, LM158, and OP-221 - but with superior specifications: 150 µV vs. 3000 µV max offset, 2 µV/°C vs. 10 µV/°C drift, and guaranteed ground-swing output. No PCB changes are needed to upgrade existing MC1458 designs to LT1013IN8#PBF.
LT1013IN8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 0.4V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 15 nA
- Voltage - Input Offset:
- 60 µV
- Current - Supply:
- 350µA (x2 Channels)
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 44 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
LT1013IN8#PBF FAQ
1.How can I place an order for LT1013IN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1013IN8#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 LT1013IN8#PBF reliable?
The price and inventory of LT1013IN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1013IN8#PBF is usually 5 days.
3.What payment methods are accepted for LT1013IN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1013IN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1013IN8#PBF?
LT1013IN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1013IN8#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 LT1013IN8#PBF?
For technical support, including LT1013IN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1013IN8#PBF requirements.
6.How does Aetrix verify that LT1013IN8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1013IN8#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 LT1013IN8#PBF meets industry standards.
7.What is the process for return or replacement of LT1013IN8#PBF?
All LT1013IN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1013IN8#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 LT1013IN8#PBF part is unused and in its original packaging.
Return procedure for LT1013IN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LT1013IN8#PBF Tags
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