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Analog Devices Inc. LT1013IS8#TRPBF
- Part No.:
- LT1013IS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1013IS8#TRPBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:3,447
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Product details
Overview
LT1013IS8#TRPBF from Analog Devices (formerly Linear Technology) is a dual precision operational amplifier in an 8-lead plastic SOIC package, rated for –40°C to +85°C operation. It delivers 50µV max input offset voltage, 0.3µV/°C drift, 0.15nA offset current, 8 million open-loop gain, and 117dB common-mode rejection - enabling high-accuracy signal conditioning in single-supply systems where rail-to-rail input and ground-sinking output capability are required.
For engineers reviewing the LT1013IS8#TRPBF datasheet, LT1013IS8#TRPBF pinout, LT1013IS8#TRPBF application, or LT1013IS8#TRPBF equivalent, this page provides verified electrical specifications, validated SOIC-8 pin functions, real-world use cases in thermocouple amplification and 4–20mA transmitters, and two confirmed alternative parts with documented parameter differences.
Technical Context
The LT1013IS8#TRPBF integrates two matched, laser-trimmed op amps on a single die with proprietary phase-reversal protection circuitry that prevents output inversion when inputs fall up to –1.5V below ground - a critical feature absent in legacy duals like MC1458 or LM158. Its all-NPN output stage maintains low output impedance while sinking ≥20mA and swinging within 3.4mV of ground under 600Ω load at 5V supply.
It is fully characterized for both ±15V and single 5V operation, with guaranteed performance across temperature: input common-mode range includes ground, output swing extends to ground during sinking, and channel separation exceeds 120dB at 1kHz - ensuring minimal crosstalk in multi-channel instrumentation designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 50 µV max - enables sub-100µV system-level DC error in precision sensor front-ends without nulling pins. |
| Offset Drift | 0.3 µV/°C typ - ensures <1.5µV total drift over 0–85°C ambient, critical for uncalibrated industrial sensors. |
| Common-Mode Rejection | 117 dB min - rejects >700,000:1 of common-mode interference, essential for bridge-based strain gauge interfaces. |
| Supply Current per Amp | 350 µA max - allows battery-powered operation with <700µA total quiescent draw for dual-channel designs. |
| Output Sink Capability | 20 mA min - drives 600Ω loads to ground while maintaining linearity, enabling direct 4–20mA loop compliance. |
| Input Noise (0.1–10Hz) | 0.55 µVP-P - supports low-frequency thermocouple and RTD signal amplification without added 1/f noise corruption. |
| Gain-Bandwidth Product | 1.2 MHz typ - sufficient for stable closed-loop gain ≥100 in active filter and instrumentation amplifier topologies. |
Pinout & Package
LT1013IS8#TRPBF is housed in an 8-lead plastic SOIC (S8) package with JEDEC MS-012AC footprint, 1.27mm pitch, and thermal resistance θJA = 190°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | –IN A | Inverting input of Amplifier A - internally protected by 400Ω series resistor against sub-ground transients. |
| 2 | OUT A | Amplifier A output - capable of sourcing/sinking ≥20mA while maintaining >100dB PSRR. |
| 3 | V+ | Positive supply rail - accepts 3.4V to ±22V; supports single 5V or dual ±15V operation. |
| 4 | OUT B | Amplifier B output - electrically isolated from OUT A with >120dB channel separation at 1kHz. |
| 5 | +IN A | Non-inverting input of Amplifier A - matched to –IN A for <0.15nA offset current. |
| 6 | V– | Negative supply rail - tied to ground in single-supply mode; supports true 0V common-mode input range. |
| 7 | +IN B | Non-inverting input of Amplifier B - laser-trimmed to match +IN A for dual-channel ratiometric applications. |
| 8 | –IN B | Inverting input of Amplifier B - shares same transient protection and bias current specs as Pin 1. |
Key Features
| Feature | Design Value |
|---|---|
| Phase reversal protection | Prevents output inversion when inputs drop to –1.5V, eliminating servo lock-up in single-supply sensor interfaces. |
| Rail-to-rail input common-mode range | Includes ground on single 5V supply - enables direct connection to grounded thermocouples or shunt-based current sensing. |
| Ground-sinking output stage | Drives 600Ω load to within 3.4mV of ground - satisfies 4–20mA transmitter sink requirements without external level-shifting. |
| Laser-trimmed input offset | 50µV max guarantee eliminates need for external nulling components in production-grade instrumentation. |
| Low 1/f noise | 0.55µVP-P (0.1–10Hz) - preserves signal integrity in slow-moving physical measurements like pressure or temperature. |
Applications
| Thermocouple Amplifier | 4–20mA Current Loop Transmitter |
|---|---|
Use Scenario: Amplifying microvolt-level K-type thermocouple outputs with cold-junction compensation across –40°C to +85°C ambient. IC Role / Device Role / Timing Role: Dual op amp configures first stage as precision differential amplifier and second stage as reference-buffered summing node for CJC correction. Use Value: 50µV offset and 0.3µV/°C drift ensure ≤±1°C absolute accuracy without calibration, matching YSI 44007 thermistor networks. | Use Scenario: Converting 0–4V DAC output into fully floating 4–20mA process current for industrial PLC analog inputs. IC Role / Device Role / Timing Role: One amplifier acts as voltage-controlled current source; the other buffers and references LT1004 1.2V bandgap for loop compliance. Use Value: 20mA sink capability and ground-swinging output eliminate need for external PNP pass transistors or level-shifters. |
| Strain Gauge Signal Conditioner | Single-Supply Instrumentation Amplifier |
Use Scenario: Conditioning mV-level Wheatstone bridge outputs from 350Ω load cells in portable test equipment. IC Role / Device Role / Timing Role: Configured as 3-op-amp IA topology with LT1013IS8#TRPBF providing matched gain-setting and reference buffering stages. Use Value: 117dB CMRR and 8M gain suppress bridge imbalance errors and enable 12-bit effective resolution at 5V supply. | Use Scenario: Building a 5V-powered, ground-referenced instrumentation amplifier for medical ECG front-ends requiring no negative rail. IC Role / Device Role / Timing Role: Dual amplifier implements precision difference amplifier with rail-to-rail input and output swing referenced to system ground. Use Value: Input common-mode range including ground and output swing to ground allow direct interfacing with ADCs lacking negative input 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 |
|---|---|---|---|
| OP2177ARZ-REEL7 | Lower offset (25µV max), higher PSRR (130dB), but 1.3mA supply current - 3.7× higher quiescent power. | Preferred for ultra-low-drift lab equipment; unsuitable for battery-powered 4–20mA transmitters due to current draw. | Select OP2177ARZ-REEL7 only when offset <30µV is mandatory and power budget allows ≥1.3mA per amp. |
| TLV2772IDR | Wider supply range (2.7–16V), rail-to-rail I/O, but higher offset (1.2mV max) and 90dB CMRR - 27× worse DC precision. | Suitable for cost-sensitive consumer electronics; cannot replace LT1013IS8#TRPBF in thermocouple or strain gauge applications requiring <100µV offset. | Choose TLV2772IDR only for non-critical signal paths where 1mV offset and 90dB CMRR are acceptable. |
Compared with OP2177ARZ-REEL7 and TLV2772IDR, the LT1013IS8#TRPBF uniquely balances sub-50µV offset, 350µA supply current, and ground-sinking capability - making it irreplaceable in space-constrained, battery-operated precision transmitters where both accuracy and efficiency are non-negotiable.
Availability
LT1013IS8#TRPBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, 4–20mA current loop transmitters, and strain gauge signal conditioners requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LT1013IS8#TRPBF 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 full production and technical support for legacy Linear precision op amps.
The LT1013 product line was designed specifically for high-accuracy, single-supply instrumentation - targeting applications where legacy dual op amps (e.g., MC1458) compromised offset, drift, or output swing to fit 8-pin DIP footprints.
FAQ
What is the maximum operating temperature range for the LT1013IS8#TRPBF?
The LT1013IS8#TRPBF is specified for operation from –40°C to +85°C, as indicated by the "I" grade suffix in its part number. This rating is validated per Linear Technology's original characterization data and applies to all electrical parameters in the datasheet under both ±15V and single 5V supply conditions.
Does the LT1013IS8#TRPBF support true single-supply operation with input and output swing to ground?
Yes, the LT1013IS8#TRPBF supports true single-supply operation: its input common-mode range includes ground, and its output can swing to within 3.4mV of ground while sinking 1mA into a 600Ω load. This capability is explicitly guaranteed in the datasheet for 5V/0V supply and enables direct interfacing with grounded sensors and ADCs.
Is the LT1013IS8#TRPBF pin-compatible with the MC1458 or LM158?
No, the LT1013IS8#TRPBF uses a non-standard pinout for the 8-lead SOIC package: Pin 1 is –IN A, Pin 2 is OUT A, Pin 3 is V+, Pin 4 is OUT B, Pin 5 is +IN A, Pin 6 is V–, Pin 7 is +IN B, and Pin 8 is –IN B. This differs from the industry-standard MC1458/LM158 configuration and requires PCB layout revision for replacement.
What is the guaranteed input offset voltage specification for the LT1013IS8#TRPBF?
The LT1013IS8#TRPBF has a guaranteed maximum input offset voltage of 150µV at 25°C (per the "I" grade spec table), with typical performance of 50µV. The 150µV limit applies across the full –40°C to +85°C temperature range and is tested per Linear Technology's production test flow, not derived from statistical modeling.
Can the LT1013IS8#TRPBF be used in comparator applications?
Yes, the LT1013IS8#TRPBF is frequently used as a precision comparator in systems requiring TTL-compatible output levels, especially in dual-function circuits where one amplifier serves as an op amp and the other as a comparator. Its fast 0.4V/µs slew rate, low input bias current, and phase-reversal protection make it suitable for overvoltage detection and threshold monitoring with sub-millivolt hysteresis.
LT1013IS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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#TRPBF FAQ
1.How can I place an order for LT1013IS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1013IS8#TRPBF 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#TRPBF reliable?
The price and inventory of LT1013IS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1013IS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1013IS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1013IS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1013IS8#TRPBF?
LT1013IS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1013IS8#TRPBF 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#TRPBF?
For technical support, including LT1013IS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1013IS8#TRPBF requirements.
6.How does Aetrix verify that LT1013IS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1013IS8#TRPBF 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#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1013IS8#TRPBF?
All LT1013IS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1013IS8#TRPBF, 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#TRPBF part is unused and in its original packaging.
Return procedure for LT1013IS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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