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Analog Devices Inc. LT1013IS8#PBF
- Part No.:
- LT1013IS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1013IS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:253
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Product details
Overview
LT1013IS8#PBF from Analog Devices (formerly Linear Technology) is a dual precision operational amplifier in an 8-lead plastic SOIC package, designed for low-voltage single-supply operation with input common-mode range extending to ground and output swing within 3.4 mV of ground at 1 mA sink current. It delivers 1.5 million minimum open-loop gain, 117 dB CMRR, and 0.55 µVP-P 0.1 Hz–10 Hz noise, enabling high-accuracy signal conditioning in battery-powered instrumentation.
For engineers reviewing the LT1013IS8#PBF datasheet, LT1013IS8#PBF pinout, LT1013IS8#PBF application, or LT1013IS8#PBF equivalent, key selection criteria include guaranteed 150 µV max offset voltage, 2 µV/°C max drift, 0.8 nA max offset current, single 5 V supply compatibility, and thermal stability across –40°C to +85°C.
Technical Context
The LT1013IS8#PBF implements an all-NPN output stage that maintains high voltage gain and low output impedance while sinking ≥20 mA and swinging to within millivolts of ground-eliminating crossover distortion seen in prior single-supply op amps. Its input stage integrates 400 Ω series resistors and proprietary phase-reversal protection circuitry (Q21–Q28), preventing destructive substrate conduction and output inversion when inputs fall up to 1.5 V below ground.
It operates over ±2.5 V to ±18 V dual supplies or 3.4 V to 36 V single supply, with full specifications provided for both ±15 V and +5 V/0 V configurations. Channel separation exceeds 120 dB at 1 kHz, and the device achieves 0.2 V/µs slew rate with 0.35 mA per amplifier supply current at ±15 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 150 µV max - ensures ≤1.5 mV error in unity-gain buffer at 10 V output |
| Offset Voltage Drift | 2 µV/°C max - contributes ≤200 µV error over full –40°C to +85°C range |
| Input Offset Current | 0.8 nA max - enables use with >1 MΩ source impedances without significant DC error |
| Open-Loop Gain | 1.5 million min at ±15 V - supports ≥80 dB closed-loop accuracy with 10 kΩ feedback |
| CMRR | 117 dB typical - rejects >70 V of common-mode interference at 10 mV differential signal |
| Supply Current | 0.5 mA max per amplifier - allows dual-op-amp design to operate <1 mW from 5 V rail |
| Output Swing (Low) | 3.4 mV above ground at 1 mA sink - enables true zero-output capability in 4–20 mA transmitters |
| 0.1–10 Hz Noise | 0.55 µVP-P - critical for thermocouple amplifiers requiring sub-µV resolution |
Pinout & Package
LT1013IS8#PBF is housed in an 8-lead plastic SOIC (S8) package with 1.27 mm pitch, JEDEC MS-012AC compliant, θJA = 190°C/W, and rated for –40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | –IN A | Inverting input of Amplifier A - referenced to internal NPN differential pair |
| 2 | OUT A | Amplifier A output - capable of sourcing/sinking ≥20 mA with rail-to-rail swing |
| 3 | V+ | Positive supply terminal - accepts 3.4 V to 18 V (single or dual supply) |
| 4 | OUT B | Amplifier B output - electrically isolated from OUT A; shares no internal nodes |
| 5 | +IN A | Non-inverting input of Amplifier A - high-impedance NPN base node |
| 6 | V– | Negative supply terminal - tied to ground in single-supply mode |
| 7 | +IN B | Non-inverting input of Amplifier B - matched to +IN A for common-mode rejection |
| 8 | –IN B | Inverting input of Amplifier B - symmetric layout minimizes inter-channel coupling |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation down to 3.4 V | Enables direct interface with Li-ion (3.6 V) or three Ni-Cd (3.6 V) batteries without regulation |
| Input common-mode range includes ground | Permits direct connection of grounded sensors (e.g., thermocouples, strain gauges) without level-shifting |
| Output swings to within 3.4 mV of ground | Supports true 0–5 V output ranges and 4–20 mA loop compliance down to 0 V |
| Phase reversal protection | Prevents catastrophic output inversion when inputs dip to –1.5 V, avoiding servo lock-up |
| 400 Ω input series resistors | Limit fault current to <13 mA if input is driven 5 V below ground, protecting against ESD damage |
| Guaranteed 120 dB channel separation | Ensures <1 µV crosstalk between amplifiers at 1 kHz - critical for dual-channel instrumentation |
Applications
| Strain Gauge Signal Conditioner | Thermocouple Amplifier |
|---|---|
Use Scenario: Amplifying low-level mV outputs from 350 Ω Wheatstone bridge pressure transducers with ratiometric reference. IC Role / Device Role / Timing Role: Dual op amp provides bridge excitation buffering and differential gain stage with offset trimming. Use Value: 0.55 µVP-P noise and 150 µV max offset enable <0.1% FS resolution; rail-to-ground output drives ADC directly. | Use Scenario: Cold-junction compensated K-type thermocouple measurement from 0°C to 60°C with ±1°C accuracy. IC Role / Device Role / Timing Role: Precision amplifier conditions thermocouple voltage while rejecting common-mode noise from shared ground paths. Use Value: 117 dB CMRR suppresses 60 Hz pickup; 2 µV/°C drift ensures stable calibration over industrial temperature range. |
| 4–20 mA Current Loop Transmitter | Active Filter for Sensor Interface |
Use Scenario: Converting 0–4 V sensor output into fully floating 4–20 mA loop signal for PLC analog inputs. IC Role / Device Role / Timing Role: Dual op amp implements voltage-to-current conversion with precision current-sense feedback. Use Value: Output swing to 3.4 mV above ground ensures full 4 mA compliance at 0 V input; 0.8 nA offset current avoids loop error >0.16 µA. | Use Scenario: Implementing 2nd-order low-pass filtering for noisy RTD or thermistor signals before ADC sampling. IC Role / Device Role / Timing Role: One amplifier serves as unity-gain buffer; the other configures Sallen-Key topology with tight component matching. Use Value: 1.5 million gain ensures filter Q-factor stability; 0.2 V/µs slew rate supports ≤10 kHz cutoff without distortion. |
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-REEL7 | Lower 0.1–10 Hz noise (0.25 µVP-P), higher 12 V/µs slew rate, but requires ≥±4.5 V dual or ≥9 V single supply | Not suitable for 5 V-only systems; better for high-speed precision DAC buffers | Select when ultra-low noise dominates over supply voltage constraints |
| TLV2772IDR | Higher 1.2 mA supply current, lower 110 dB CMRR, but rail-to-rail input/output and 2.7 V min supply | Acceptable for cost-sensitive consumer designs where 150 µV offset is tolerable | Select when lowest BOM cost and RRO functionality outweigh precision requirements |
Compared with OP2177ARZ-REEL7 and TLV2772IDR, LT1013IS8#PBF uniquely balances 5 V single-supply operation, sub-150 µV offset, and millivolt-level ground-referenced output-making it irreplaceable in legacy industrial 4–20 mA and battery-powered sensor front-ends where supply headroom is fixed.
Availability
LT1013IS8#PBF is available at Aetrix Electronics and suitable for precision instrumentation, thermocouple signal conditioning, and 4–20 mA current loop transmitter designs requiring stable component supply across extended temperature ranges.
Supply support for LT1013IS8#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, renowned for benchmark op amps, references, and power management ICs serving industrial, aerospace, and medical markets.
The LT1013 product line was engineered specifically for high-accuracy, low-power, single-supply sensor signal chains-addressing limitations of LM158/MC1458 in instrumentation, process control, and portable test equipment.
FAQ
What is the maximum operating temperature range for LT1013IS8#PBF?
The LT1013IS8#PBF is specified for continuous operation from –40°C to +85°C ambient temperature, validated per the "I" grade designation in Linear Technology's ordering matrix. This range is guaranteed for all electrical parameters including input offset voltage, CMRR, and output swing performance, making LT1013IS8#PBF suitable for industrial environments without forced cooling.
Does LT1013IS8#PBF support true single-supply operation with input and output referenced to ground?
Yes, LT1013IS8#PBF fully supports true single-supply operation: its input common-mode voltage range extends to 0 V (ground), and its output can swing to within 3.4 mV of ground while sinking 1 mA. This capability is explicitly verified in the datasheet's single-supply electrical characteristics table and enables direct interfacing with grounded sensors and microcontroller ADCs without level-shifting circuitry.
Can LT1013IS8#PBF be used as a comparator, and what are its response times?
Yes, LT1013IS8#PBF is frequently used as a precision comparator due to its low input offset (150 µV max) and TTL-compatible output swing. Rise/fall response time is 50 µs for 10 mV overdrive (per Typical Applications section), though propagation delay is not characterized as a comparator. For dedicated comparator functions, external hysteresis is recommended to prevent oscillation near threshold.
What is the guaranteed input offset voltage specification for LT1013IS8#PBF?
The guaranteed input offset voltage for LT1013IS8#PBF is 150 µV maximum at TA = 25°C and VS = ±15 V, as stated in the "Features" section and confirmed in the Electrical Characteristics table under "LT1013C/D/I/M" column. This limit applies across the full –40°C to +85°C operating range, with typical drift of 0.3 µV/°C ensuring predictable performance in temperature-varying applications.
Is LT1013IS8#PBF pin-compatible with legacy dual op amps like MC1458 or LM158?
LT1013IS8#PBF uses the industry-standard 8-pin SOIC (S8) pinout, which differs from the PDIP pinout of MC1458/LM158 but matches the functional assignment: Pin 1 (–IN A), Pin 2 (OUT A), Pin 3 (V+), Pin 4 (OUT B), Pin 5 (+IN A), Pin 6 (V–), Pin 7 (+IN B), Pin 8 (–IN B). While not drop-in compatible with DIP footprints, its S8 package enables direct PCB replacement in SOIC layouts designed for LM158/SO-8 op amps.
LT1013IS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT1013IS8#PBF FAQ
1.How can I place an order for LT1013IS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1013IS8#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 LT1013IS8#PBF reliable?
The price and inventory of LT1013IS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1013IS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1013IS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1013IS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1013IS8#PBF?
LT1013IS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1013IS8#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 LT1013IS8#PBF?
For technical support, including LT1013IS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1013IS8#PBF requirements.
6.How does Aetrix verify that LT1013IS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1013IS8#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 LT1013IS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1013IS8#PBF?
All LT1013IS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1013IS8#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 LT1013IS8#PBF part is unused and in its original packaging.
Return procedure for LT1013IS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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