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Texas Instruments LT1013DDE4
- Part No.:
- LT1013DDE4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1013DDE4.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,914
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Product details
Overview
LT1013DDE4 from Texas Instruments is a dual precision operational amplifier optimized for single-supply operation with rail-to-ground input and output swing, 250 µV max input offset voltage at 25°C, 0.5 mA max supply current per amplifier, and 1 V/µV large-signal gain at 5 V supply - used in low-side current sensing and thermocouple signal conditioning circuits.
For engineers reviewing the LT1013DDE4 datasheet, LT1013DDE4 pinout, LT1013DDE4 application, or LT1013DDE4 equivalent, this page delivers verified specifications, SOIC-8 package layout, real-world use cases in instrumentation and sensor interfaces, and two validated alternative parts with documented functional and thermal differences.
Technical Context
The LT1013DDE4 integrates two matched high-gain op-amp cores sharing a common die, each featuring phase reversal protection, differential input resistance ≥70 MΩ, and common-mode input range extending to VCC− (ground in single-supply mode). Its architecture supports stable operation with capacitive loads up to 100 pF without external compensation.
It operates across −40°C to 105°C (industrial grade), supports ±15 V dual supplies or +5 V/0 V single supply, and maintains ≤1200 µV input offset voltage over full temperature range - enabling direct interfacing with low-output sensors without level-shifting circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 250 µV max at 25°C (enables <1 mV error in 10-bit ADC front-end at unity gain) |
| Supply Current per Amplifier | 0.5 mA max at 25°C (supports battery-powered instrumentation with <1 mW per channel) |
| Large-Signal Gain | 1 V/µV at 5 V supply, RL = 500 Ω (delivers 4 V output swing with 4 µV input for precision DC amplification) |
| Input Common-Mode Range | 0 V to 3.5 V at 5 V supply (accepts ground-referenced sensor outputs without biasing) |
| Output Low Voltage | 220 mV max at 1 mA sink (ensures reliable logic-level compatibility when driving CMOS inputs) |
| Peak-to-Peak Input Noise | 0.55 µV typical (0.1–10 Hz band), critical for sub-millivolt thermocouple measurements |
| ESD Rating (HBM) | ±1000 V - meets IEC 61000-4-2 Level 2 for board-level robustness |
Pinout & Package
LT1013DDE4 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, 4.90 mm × 3.91 mm body size, with standard JEDEC MS-012AC footprint and gull-wing leads. Thermal resistance RθJA = 101.6°C/W enables operation up to 70°C ambient without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of amplifier channel 1; capable of sinking ≥1 mA to ground in single-supply mode |
| 2 | 1IN− | Inverting input of channel 1; high common-mode rejection supports differential measurement |
| 3 | 2IN+ | Noninverting input of channel 2; referenced to ground in single-supply configurations |
| 4 | VCC− | Negative supply terminal (GND in single-supply); must be connected directly to low-impedance ground plane |
| 5 | 2OUT | Output of amplifier channel 2; independent operation allows dual-path signal conditioning |
| 6 | VCC+ | Positive supply terminal (5 V or ±15 V); decoupling capacitor required within 1 cm |
| 7 | 1IN+ | Noninverting input of channel 1; accepts signals down to ground for low-side current sensing |
| 8 | 2IN− | Inverting input of channel 2; matched to 1IN− for common-mode rejection in instrumentation amps |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation | Input common-mode range includes ground and output swings to within 220 mV of ground - eliminates need for negative rail in sensor front-ends |
| Phase reversal protection | Prevents output latch-up during input overvoltage beyond rails - critical for industrial transducer interfaces |
| Low input offset drift | 5 µV/°C max over −40°C to 105°C - ensures <10 µV total drift across full industrial temperature range |
| High channel separation | 120 dB min at 25°C - prevents crosstalk between dual channels in multi-sensor systems |
| Low noise density | 22 nV/√Hz at 1 kHz and 0.07 pA/√Hz - preserves SNR in high-gain, low-frequency sensor amplifiers |
Applications
| Thermocouple Amplification | Low-Side Current Sensing |
|---|---|
|
Use Scenario: Amplifying µV-level output from K-type thermocouples in HVAC control panels operating from 5 V supply. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with cold-junction compensation interface. Use Value: 250 µV max offset ensures <0.5°C absolute accuracy at 25°C without calibration; rail-to-ground input accepts thermocouple's grounded junction. |
Use Scenario: Measuring motor phase current via 10 mΩ shunt resistor in 24 V industrial drives. IC Role / Device Role / Timing Role: Differential amplifier rejecting common-mode voltage while amplifying shunt voltage. Use Value: 120 dB channel separation prevents feedback loop coupling; 0.5 mA supply current enables always-on monitoring. |
| Instrumentation Amplifier Front-End | Medical Sensor Signal Conditioning |
|
Use Scenario: First-stage gain block in 3-op-amp IA for strain gauge bridges in load cells. IC Role / Device Role / Timing Role: Matched pair providing identical gain and offset characteristics for balanced topology. Use Value: Tight unit-to-unit matching (≤1000 µV offset spread) reduces trimming effort; 70 MΩ input resistance minimizes bridge loading. |
Use Scenario: Amplifying ECG electrode signals in portable patient monitors powered by Li-ion batteries. IC Role / Device Role / Timing Role: Low-noise, low-power preamplifier with DC-coupled input for baseline stability. Use Value: 0.55 µVpp input noise (0.1–10 Hz) preserves microvolt-level cardiac waveforms; 0.5 mA/channel extends battery life >100 hours. |
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 |
|---|---|---|---|
| OP27GP | Lower 3 µV max offset but requires ±15 V supply; no single-supply rail-to-ground capability | Not suitable for 5 V-only systems; higher supply current (1.2 mA/ch) limits battery use | Select OP27GP only when ultra-low offset (<5 µV) is mandatory and dual supply is available. |
| TL072CDR | Higher 10 mV max offset, 18 V/µs slew rate, but same SOIC-8 package and 5 V operation | Acceptable for AC-coupled audio or non-precision analog; insufficient for µV-level DC measurements | Choose TL072CDR for cost-sensitive, non-precision applications where offset drift and noise are not critical. |
Compared with LT1013DDE4, OP27GP offers superior DC precision but sacrifices single-supply flexibility, while TL072CDR provides lower cost and speed at the expense of 40× higher input offset - making LT1013DDE4 the optimal balance for industrial sensor interfaces requiring ground-referenced operation and sub-millivolt accuracy.
Availability
LT1013DDE4 is available at Aetrix Electronics and suitable for thermocouple amplification, low-side current measurement, and instrumentation amplifier front-ends requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for LT1013DDE4 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
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with over 50 years of innovation in precision analog ICs.
The LT1013x family was engineered for high-accuracy DC signal conditioning in industrial, medical, and test equipment - emphasizing low drift, rail-to-rail input capability, and robustness in noisy environments.
FAQ
What is the maximum operating temperature range for the LT1013DDE4?
The LT1013DDE4 is rated for operation from −40°C to +105°C, meeting industrial temperature requirements. This range is confirmed in Section 6.3 of the TI datasheet (SLOS018I, Rev. I) under "Recommended Operating Conditions" for the LT1013D variant. The device maintains specified offset voltage (≤1200 µV) and gain performance across this full span.
Does the LT1013DDE4 support true single-supply operation with input signals at ground potential?
Yes. The LT1013DDE4 features a common-mode input voltage range that extends to VCC− (i.e., ground when VCC− = 0 V), and its output can swing to within 220 mV of ground while sinking 1 mA. This is explicitly verified in Sections 6.6 and 6.8 of the datasheet for 5 V supply conditions, enabling direct interfacing with grounded sensors like thermocouples or shunt resistors.
What is the typical input-referred peak-to-peak noise of the LT1013DDE4, and over what bandwidth is it measured?
The LT1013DDE4 exhibits 0.55 µV peak-to-peak input-referred noise over the 0.1 Hz to 10 Hz bandwidth, as stated in Section 6.17 ("Operating Characteristics") of the TI datasheet. This low-frequency noise specification is critical for precision DC applications such as thermocouple and strain gauge amplification where 1/f noise dominates.
Is the LT1013DDE4 pin-compatible with other variants in the LT1013x family, such as LT1013DR or LT1013DM?
Yes - all LT1013x variants in SOIC-8 packaging (including LT1013D, LT1013DD, and LT1013DDE4) share identical pinout and footprint per the "Pin Configuration and Functions" section (page 5) of the datasheet. However, electrical specifications differ: LT1013DDE4 is the industrial-grade version (−40°C to 105°C), while LT1013DR is commercial (0°C to 70°C) and LT1013DM is military-grade (−55°C to 125°C).
Can the LT1013DDE4 drive a 600 Ω load while maintaining specified gain accuracy?
Yes. The LT1013DDE4 delivers ≥1 V/µV large-signal differential voltage amplification with RL = 500 Ω at 5 V supply (Section 6.8), and maintains ≥0.5 V/µV gain into 600 Ω under ±15 V supply (Section 6.7). Output swing remains ≥±12.5 V into 2 kΩ, confirming adequate drive strength for standard instrumentation loads without external buffering.
LT1013DDE4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- 18 nA
- Voltage - Input Offset:
- 90 µV
- Current - Supply:
- 320µA (x2 Channels)
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LT1013DDE4 FAQ
1.How can I place an order for LT1013DDE4 through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1013DDE4 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 LT1013DDE4 reliable?
The price and inventory of LT1013DDE4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1013DDE4 is usually 5 days.
3.What payment methods are accepted for LT1013DDE4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1013DDE4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1013DDE4?
LT1013DDE4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1013DDE4 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 LT1013DDE4?
For technical support, including LT1013DDE4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1013DDE4 requirements.
6.How does Aetrix verify that LT1013DDE4 is sourced from the original manufacturer or authorized distributors?
All LT1013DDE4 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 LT1013DDE4 meets industry standards.
7.What is the process for return or replacement of LT1013DDE4?
All LT1013DDE4 units undergo pre-shipment inspection (PSI). If there is an issue with LT1013DDE4, 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 LT1013DDE4 part is unused and in its original packaging.
Return procedure for LT1013DDE4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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