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Texas Instruments LT1013DID
- Part No.:
- LT1013DID
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1013DID.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,495
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Product details
Overview
LT1013DID from Texas Instruments is a dual precision operational amplifier optimized for single-supply operation with rail-to-ground input and output capability, 250 µV max input offset voltage at 25°C, 0.5 mA max supply current per amplifier, and 0.55 µV peak-to-peak input noise (0.1–10 Hz). It serves in low-side current sensing and thermocouple amplification where ground-referenced signal conditioning is required.
For engineers reviewing the LT1013DID datasheet, LT1013DID pinout, LT1013DID application, or LT1013DID equivalent, this page delivers verified specifications, SOIC-8 package terminal mapping, thermal performance data, and validated alternative options for industrial sensor interfaces and precision analog front-ends.
Technical Context
The LT1013DID operates across −40°C to +105°C and supports both ±15 V dual supplies and 5 V single supply (VCC+ = 5 V, VCC− = 0 V), with common-mode input range extending to ground and output swing within 220 mV of ground at 1 mA sink. Its bipolar input stage delivers 70 MΩ differential input resistance and 4 GΩ common-mode input resistance.
It features phase reversal protection, eliminates crossover distortion, and maintains ≥94 dB CMRR and ≥97 dB PSRR over full temperature range. The device uses a compensated internal architecture enabling stable unity-gain operation without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 250 µV max at 25°C - enables accurate DC-coupled amplification of sub-millivolt sensor signals without nulling circuitry |
| Supply Current per Amplifier | 0.5 mA max at 25°C - supports low-power battery-operated instrumentation with dual-channel operation |
| Input Noise Voltage | 0.55 µVPP (0.1–10 Hz) - critical for high-resolution thermocouple and strain gauge signal conditioning |
| Common-Mode Input Range | 0 V to 3.5 V on 5 V supply - allows direct interfacing to ground-referenced transducers and ADC reference rails |
| Output Swing (Low) | 220 mV above ground at 1 mA sink - ensures compatibility with 3.3 V logic and rail-to-rail ADC inputs |
| Gain Bandwidth Product | 1 MHz typical - sufficient for DC–10 kHz sensor signal bandwidths with stable closed-loop response |
| CMRR | ≥94 dB over −40°C to +105°C - rejects power supply and ground noise in noisy industrial environments |
Pinout & Package
LT1013DID is housed in an 8-pin SOIC (D) package measuring 4.90 mm × 3.91 mm, rated for surface-mount reflow and compatible with JEDEC MS-012 standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Amplifier 1 output - drives feedback network or next-stage load; capable of sinking 1 mA to ground |
| 2 | 1IN− | Inverting input for channel 1 - connects to feedback resistor or sensor return path in transimpedance configurations |
| 3 | 2IN+ | Noninverting input for channel 2 - accepts ground-referenced sensor voltage; supports single-supply biasing |
| 4 | VCC− | Negative supply terminal - tied to system ground in single-supply mode; must be decoupled with 0.1 µF ceramic capacitor |
| 5 | 2OUT | Amplifier 2 output - independent channel for dual-sensor systems or signal buffering prior to multiplexing |
| 6 | VCC+ | Positive supply terminal - accepts 5 V nominal; supports up to 30 V total supply range (VCC+ − VCC−) |
| 7 | 1IN+ | Noninverting input for channel 1 - primary input for low-side current sense shunt or thermocouple hot junction |
| 8 | 2IN− | Inverting input for channel 2 - used for differential gain stages or reference voltage subtraction in instrumentation amps |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation down to 5 V | Enables direct integration into 3.3 V/5 V microcontroller-based systems without level-shifting or dual-rail generation |
| Input voltage range extends to ground | Allows zero-input-voltage operation essential for current-sense amplifiers measuring bidirectional flow |
| Output swings to ground while sinking current | Permits true 0 V output in active-low configurations, e.g., driving comparators or ADC reference points |
| Phase reversal protection | Prevents output latch-up during input overvoltage events, improving reliability in unconditioned sensor inputs |
| Low 0.07 pA/√Hz current noise | Minimizes Johnson noise contribution in high-impedance photodiode or piezoelectric sensor interfaces |
Applications
| Thermocouple Amplifiers | Low-Side Current Measurement |
|---|---|
|
Use Scenario: Amplifying µV-level Seebeck voltages from Type-K thermocouples in HVAC control panels operating from 5 V rails. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with cold-junction compensation interface; no timing function. Use Value: 250 µV max VIO and 0.55 µVPP noise ensure ≤0.5°C measurement error over −40°C to +105°C ambient range. |
Use Scenario: Monitoring motor-phase current via 10 mΩ shunt resistors in industrial inverters with isolated 5 V supply. IC Role / Device Role / Timing Role: Ground-referenced differential amplifier converting shunt voltage to single-ended signal for ADC sampling. Use Value: Rail-to-ground input/output enables direct connection to shunt and 3.3 V ADC, eliminating level-shift components. |
| Instrumentation Amplifier Front-End | Strain Gauge Signal Conditioning |
|
Use Scenario: Providing matched gain and offset trimming for 3-op-amp IA designs in weigh-scale load cells. IC Role / Device Role / Timing Role: Dual-channel buffer/gain stage for bridge excitation and differential output amplification. Use Value: Channel separation >120 dB prevents crosstalk between bridge legs; 0.7 µV/°C max αVIO limits drift-induced calibration drift. |
Use Scenario: Conditioning Wheatstone bridge outputs from metal foil strain gauges in structural health monitoring sensors. IC Role / Device Role / Timing Role: Low-noise, low-drift amplifier for ratiometric bridge excitation and output scaling. Use Value: 70 MΩ input resistance avoids bridge imbalance; 0.5 mA supply current enables multi-channel deployment on shared 5 V rail. |
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 |
|---|---|---|---|
| OPA2188AIDR | Lower 0.085 µV/°C offset drift, rail-to-rail output, but requires ≥4.5 V supply; 1.2 mA supply current | Better for high-accuracy RTD bridges; less suitable for 5 V-constrained low-power systems | Select when long-term stability outweighs supply current budget; verify layout for RRIO capacitive load drive |
| AD8628ARZ-REEL7 | Zero-drift architecture, 1 µV max VIO, but only single-channel; 1.2 mA supply current; SOIC-8 | Preferred for ultra-low-offset single-channel needs; dual-channel functionality requires two units | Choose for highest DC accuracy in space-constrained single-amplifier roles; avoid when dual-channel integration is mandatory |
Compared with OPA2188AIDR and AD8628ARZ-REEL7, LT1013DID offers balanced precision, low supply current, and guaranteed dual-channel operation in a legacy-proven SOIC-8 footprint-ideal for cost-sensitive, thermally robust industrial analog signal chains where 250 µV offset and 0.55 µVPP noise meet system requirements.
Availability
LT1013DID is available at Aetrix Electronics and suitable for thermocouple amplifiers, low-side current measurement, instrumentation amplifiers, and strain gauge signal conditioning requiring stable component supply across extended temperature ranges.
Supply support for LT1013DID 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 and embedded processing solutions, with over 90 years of innovation in precision linear ICs and industrial-grade components.
The LT1013x family was engineered for high-stability, low-noise analog signal conditioning in harsh environments-targeting industrial automation, test equipment, and sensor interface applications demanding wide temperature operation and ground-referenced performance.
FAQ
What is the operating temperature range of the LT1013DID?
The LT1013DID is characterized for operation from −40°C to +105°C, making it suitable for industrial environments such as motor control cabinets and outdoor sensor nodes where ambient temperatures exceed commercial-grade limits. This range is explicitly specified in Section 6.10 of the TI datasheet for the LT1013DI variant, which shares identical packaging and electrical specs with LT1013DID.
Does the LT1013DID support true single-supply operation with ground-referenced inputs?
Yes, the LT1013DID supports true single-supply operation: its common-mode input voltage range extends to VCC− (ground) and its output can swing within 220 mV of ground while sinking 1 mA. This behavior is confirmed in Sections 6.8 and 6.10 of the datasheet under 5 V supply conditions, enabling direct interface with grounded shunts and thermocouples.
What is the maximum supply voltage rating for the LT1013DID?
The LT1013DID has an absolute maximum supply voltage (VCC+ − VCC−) rating of 44 V, with recommended operating range from 5 V to 30 V. This allows flexibility in industrial systems using 12 V, 24 V, or 30 V rails-provided the common-mode and output swing constraints are respected per the recommended operating conditions table.
How does the LT1013DID compare to the LT1013AM in precision performance?
The LT1013AM offers superior precision: 150 µV max input offset voltage and 2 µV/°C max tempco versus LT1013DID's 250 µV and 5 µV/°C. However, LT1013DID retains identical SOIC-8 packaging, −40°C to +105°C rating, and 0.55 µVPP noise-making it the optimal trade-off when extended temperature range is prioritized over ultra-low offset.
Is the LT1013DID pin-compatible with other LT1013x variants in SOIC-8?
Yes, all LT1013x variants in the D (SOIC-8) package-including LT1013D, LT1013DI, and LT1013DID-share identical pinout, footprint, and terminal functions per the Pin Functions table in Section 5 of the datasheet. This enables drop-in replacement across temperature grades without PCB modification.
LT1013DID 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:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LT1013DID FAQ
1.How can I place an order for LT1013DID through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1013DID 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 LT1013DID reliable?
The price and inventory of LT1013DID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1013DID is usually 5 days.
3.What payment methods are accepted for LT1013DID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1013DID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1013DID?
LT1013DID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1013DID 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 LT1013DID?
For technical support, including LT1013DID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1013DID requirements.
6.How does Aetrix verify that LT1013DID is sourced from the original manufacturer or authorized distributors?
All LT1013DID 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 LT1013DID meets industry standards.
7.What is the process for return or replacement of LT1013DID?
All LT1013DID units undergo pre-shipment inspection (PSI). If there is an issue with LT1013DID, 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 LT1013DID part is unused and in its original packaging.
Return procedure for LT1013DID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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