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Texas Instruments LT1013DD
- Part No.:
- LT1013DD
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1013DD.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,918
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Product details
Overview
LT1013DD from Texas Instruments is a dual precision operational amplifier in SOIC-8 package, featuring 150 µV max input offset voltage (LT1013AM grade), 2 µV/°C max offset drift, 0.5 mA max supply current per amplifier, and rail-to-rail output swing capability down to ground under sinking load-enabling low-side current sensing and thermocouple amplification in industrial instrumentation.
For engineers reviewing the LT1013DD datasheet, LT1013DD pinout, LT1013DD application, or LT1013DD equivalent, this page delivers verified electrical specs, SOIC-8 terminal mapping, single- and dual-supply operating conditions, noise performance (0.55 µVPP, 22 nV/√Hz), and precision op-amp alternatives for sensor signal conditioning and analog front-end design.
Technical Context
The LT1013DD implements a bipolar-input, internally compensated two-stage transconductance amplifier architecture with phase reversal protection and crossover distortion elimination. It supports both ±15 V dual supplies and single 5 V operation, with input common-mode range extending to VCC– and output capable of swinging within millivolts of ground while sinking current.
Its precision is defined by guaranteed maximums across temperature: 1000 µV input offset voltage (full –40°C to 105°C range), 5 µV/°C offset drift, and 2.8 nA input offset current-making it suitable for DC-coupled, low-drift measurement circuits where chopper-stabilized amplifiers are not required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 5 V to 30 V total (±2.5 V to ±15 V dual); enables direct interface with 3.3 V/5 V logic and legacy ±15 V systems |
| Input Offset Voltage (max) | 1000 µV over –40°C to 105°C; ensures ≤1 mV DC error in unity-gain buffer at full temp range |
| Offset Drift (max) | 5 µV/°C; contributes ≤0.5 mV drift over 100°C ambient change-critical for uncalibrated industrial sensors |
| Supply Current (max) | 0.6 mA per amplifier at full temperature range; allows dual-channel precision amplification in <1.2 mA total system budget |
| Gain-Bandwidth Product | 1.2 MHz typical; supports stable closed-loop gain ≥10 up to ~100 kHz without compensation |
| Input Noise Voltage | 22 nV/√Hz at 1 kHz; dominates total noise in high-Z sensor interfaces above 10 Hz |
| Output Swing (to GND) | ≤350 mV at 1 mA sink load; enables true zero-volt referenced output in low-side shunt monitors |
Pinout & Package
LT1013DD is housed in an 8-pin SOIC package (4.90 mm × 3.91 mm body), surface-mount compatible with standard reflow profiles and IPC-7351B footprint MS-012AA.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Amplifier 1 output; drives loads up to ±14 V swing with 10 mA short-circuit capability |
| 2 | 1IN− | Inverting input for channel 1; 300 MΩ differential input resistance minimizes loading on high-Z sources |
| 3 | 1IN+ | Noninverting input for channel 1; common-mode range includes VCC–, enabling ground-referenced sensor inputs |
| 4 | VCC– | Negative supply terminal; must be connected even in single-supply mode (e.g., tied to GND) |
| 5 | 2OUT | Amplifier 2 output; independent channel allows dual-stage filtering or differential output generation |
| 6 | VCC+ | Positive supply terminal; accepts 5 V to 30 V total supply range with no external decoupling required |
| 7 | 2IN− | Inverting input for channel 2; matched bias current (–30 nA max) enables low-offset difference amplifiers |
| 8 | 2IN+ | Noninverting input for channel 2; identical electrical characteristics to pin 3 for consistent dual-channel performance |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation with ground-swinging output | Enables direct interfacing with 0–5 V ADCs and microcontrollers without level-shifting circuitry |
| Phase reversal protection | Prevents output latch-up when input common-mode voltage exceeds supply rails-critical in fault-tolerant sensor systems |
| Low peak-to-peak input noise (0.55 µV) | Supports sub-µV resolution in 0.1–10 Hz bandwidth applications like thermopile or strain gauge readouts |
| High CMRR (94 dB min) | Maintains accuracy in noisy industrial environments with common-mode interference on sensor lines |
| Guaranteed operation from –40°C to 105°C | Validates use in automotive engine control modules and outdoor industrial enclosures without derating |
Applications
| Thermocouple Amplifier | Low-Side Current Measurement |
|---|---|
Use Scenario: Amplifying µV-level Seebeck voltage from K-type thermocouples with cold-junction compensation. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with low input bias current to avoid thermocouple wire loading. Use Value: 0.55 µVPP noise and 1000 µV max offset ensure ≤1°C absolute error over –40°C to +105°C without calibration. | Use Scenario: Monitoring motor phase current via 10 mΩ shunt resistor in 24 V industrial drives. IC Role / Device Role / Timing Role: Ground-referenced differential amplifier with output swing to 0 V for accurate low-side sensing. Use Value: Output sinks to ≤350 mV at 1 mA load, enabling direct connection to 0–3.3 V SAR ADC reference rails. |
| Instrumentation Amplifier Front-End | DC-Coupled Sensor Signal Conditioning |
Use Scenario: First-stage gain block in 3-op-amp INA configuration for bridge-based pressure sensors. IC Role / Device Role / Timing Role: Dual-channel matching enables identical gain paths for RG-set resistors and common-mode rejection enhancement. Use Value: Channel separation >120 dB prevents crosstalk between gain and reference paths in high-resolution (>16-bit) systems. | Use Scenario: Signal conditioning for MEMS accelerometers requiring DC stability and low-frequency fidelity. IC Role / Device Role / Timing Role: Low-drift, low-noise amplifier with 2 µV/°C max drift preserving baseline accuracy over temperature cycles. Use Value: 5 µV/°C max drift limits zero-point shift to <0.5 mV over 100°C ambient variation-within 0.1% FSR of ±2 g full scale. |
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 | Higher GBW (8 MHz), lower noise (3.5 nV/√Hz), but no ground-swing output; requires dual supply for rail-to-rail input | Better for wideband AC-coupled applications; unsuitable for single-supply, ground-referenced DC sensing | Select OP27GP only when bandwidth >1 MHz and dual supply are available; avoid for low-side current monitoring. |
| TL072CDR | Lower cost, JFET input (50 pA IB), but higher offset (10 mV), no guaranteed ground-swing output, and no specified offset drift | Suitable for audio and non-critical analog functions; not qualified for precision DC measurement | Choose TL072CDR for cost-sensitive, AC-coupled designs where offset stability is not required. |
Compared with OP27GP and TL072CDR, LT1013DD uniquely balances ground-swing capability, 1000 µV offset guarantee over temperature, and 0.55 µVPP noise-making it the only option among the three qualified for uncalibrated, single-supply, low-drift industrial sensor front-ends.
Availability
LT1013DD is available at Aetrix Electronics and suitable for industrial instrumentation, automotive engine control units, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LT1013DD 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and personal electronics markets.
The LT1013x family was engineered for high-accuracy, low-power DC signal conditioning-targeting applications where chopper amplifiers introduce switching artifacts and general-purpose op-amps lack guaranteed offset stability over temperature.
FAQ
What is the maximum operating temperature range for the LT1013DD?
The LT1013DD is characterized for operation from –40°C to +105°C. This extended industrial temperature range is confirmed in Section 6.3 (Recommended Operating Conditions) of the TI datasheet SLOS018I, making LT1013DD suitable for deployment in harsh environments such as factory automation controllers and under-hood automotive modules where ambient temperatures exceed commercial-grade limits.
Does the LT1013DD support true single-supply operation with input and output referenced to ground?
Yes, the LT1013DD supports true single-supply operation: its input common-mode voltage range extends to VCC– (GND when VCC– = 0 V), and its output can swing to within 350 mV of ground while sinking 1 mA. This behavior is explicitly verified in Section 6.8 (Electrical Characteristics: LT1013D, 5 V) and enables direct interfacing with ground-referenced sensors and 0–5 V ADCs without level-shifting circuitry.
What is the guaranteed input offset voltage specification for LT1013DD across temperature?
The LT1013DD guarantees a maximum input offset voltage of 1000 µV over its full operating temperature range of –40°C to +105°C, as documented in Section 6.8 of the TI datasheet. At 25°C, the typical value is 950 µV with a maximum of 1200 µV. This specification is critical for maintaining DC accuracy in uncalibrated measurement systems where offset drift must remain bounded.
Can the LT1013DD drive capacitive loads without instability?
The LT1013DD is unity-gain stable and can safely drive ≥500 pF capacitive loads without external compensation, as confirmed by its internal compensation and typical pulse response data (Figure 19–23). However, for loads exceeding 1 nF or in high-precision closed-loop configurations, TI recommends adding a small series resistor (10–100 Ω) between the output and capacitive load to maintain phase margin above 45°.
Is the LT1013DD pin-compatible with other dual op-amps in SOIC-8 packages?
No, the LT1013DD uses a nonstandard pinout: pin 4 is VCC– and pin 6 is VCC+, unlike industry-standard dual op-amps (e.g., LM358, TL072) which place supplies on pins 4 and 8. Substituting LT1013DD into an existing LM358 layout would cause immediate power rail reversal and device damage. Always verify pin mapping using the "Pin Functions" table in Section 5 of the LT1013DD datasheet before PCB integration.
LT1013DD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- 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:
- 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
LT1013DD FAQ
1.How can I place an order for LT1013DD through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1013DD 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 LT1013DD reliable?
The price and inventory of LT1013DD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1013DD is usually 5 days.
3.What payment methods are accepted for LT1013DD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1013DD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1013DD?
LT1013DD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1013DD 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 LT1013DD?
For technical support, including LT1013DD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1013DD requirements.
6.How does Aetrix verify that LT1013DD is sourced from the original manufacturer or authorized distributors?
All LT1013DD 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 LT1013DD meets industry standards.
7.What is the process for return or replacement of LT1013DD?
All LT1013DD units undergo pre-shipment inspection (PSI). If there is an issue with LT1013DD, 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 LT1013DD part is unused and in its original packaging.
Return procedure for LT1013DD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LT1013DD Tags
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