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Analog Devices Inc. LT1014DSW#PBF
- Part No.:
- LT1014DSW#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
LT1014DSW#PBF.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16SO
- Quantity:
- Payment:
- Shipping:
Inventory:193
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Product details
Overview
LT1014DSW#PBF from Analog Devices (formerly Linear Technology) is a quad precision operational amplifier in a 16-lead plastic SOIC package, featuring 50 µV max input offset voltage, 0.3 µV/°C drift, 0.15 nA offset current, 8 million open-loop gain, and 117 dB common-mode rejection. It operates from ±15 V or single 5 V supplies with rail-to-rail input (including ground) and output swing to within millivolts of ground - ideal for battery-powered instrumentation and thermocouple signal conditioning.
For engineers reviewing the LT1014DSW#PBF datasheet, LT1014DSW#PBF pinout, LT1014DSW#PBF application, or LT1014DSW#PBF equivalent, key selection considerations include guaranteed 150 µV max offset voltage at 0°C to 70°C, single-supply compatibility down to 3.4 V, low 0.55 µVP-P 0.1–10 Hz noise, and pin compatibility with industry-standard 14-pin DIP LM324/LM348 layouts in SOIC-16 form factor.
Technical Context
The LT1014DSW#PBF integrates four independent high-precision op amps sharing a common substrate but with >120 dB channel separation at DC and >137 dB at 1 kHz. Its all-NPN output stage enables true ground-sinking capability (≤4 mV saturation voltage at 1 mA) without crossover distortion, even under single 5 V supply operation.
Internal phase-reversal protection circuitry prevents output inversion when inputs fall up to –1.5 V below ground - a critical feature absent in legacy single-supply op amps like LM324. Input stage includes 400 Ω series resistors to limit substrate current during negative transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 50 µV typical (150 µV max); enables <10 µV error in 200 mV full-scale sensor outputs without trimming |
| Offset Drift | 0.3 µV/°C typical (2 µV/°C max); ensures <1 µV drift over 0–70°C industrial range |
| Common-Mode Rejection | 117 dB typical; rejects >99.999% of 10 V common-mode interference in bridge amplifiers |
| Supply Current per Amp | 350 µA typical (500 µA max); supports 650 µA average system current in sampled instrumentation |
| Output Swing (5 V) | 0.004 V to 4.996 V (min); delivers true ground-referenced output for ADC interfacing |
| Gain-Bandwidth Product | 0.4 MHz typical; sufficient for 100 Hz–1 kHz active filters and strain gauge conditioning |
| Input Noise (0.1–10 Hz) | 0.55 µVP-P; meets <1 µVP-P requirement for thermocouple amplifiers with 100× gain |
Pinout & Package
LT1014DSW#PBF uses a 16-lead plastic SOIC (SW) package with 1.27 mm pitch, JEDEC MS-012AC compliant, thermal resistance θJA = 130°C/W, maximum junction temperature 150°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Output A | Amplifier A output; drives loads ≥2 kΩ with ≤4 mV saturation above ground |
| 2 | Inverting Input A | High-impedance (≥5 GΩ) differential input; protected by 400 Ω series resistor |
| 3 | Non-Inverting Input A | Same impedance and protection as Pin 2; used for unity-gain buffers and reference followers |
| 4 | V+ | Positive supply rail; accepts +5 V (single) or +15 V (dual); decoupling required at pin |
| 5 | Non-Inverting Input B | Independent input for second amplifier; no crosstalk coupling to A or C sections |
| 6 | Inverting Input B | Differential pair input for amplifier B; matched offset tracking with Pin 5 |
| 7 | Output B | Amplifier B output; identical drive capability and noise performance as Pin 1 |
| 8 | NC | No internal connection; must be left floating or grounded per layout best practice |
| 9 | Output D | Amplifier D output; fully isolated; used for comparator or auxiliary signal paths |
| 10 | Inverting Input D | Input for fourth amplifier; validated for –1.5 V to +3.8 V common-mode range on 5 V supply |
| 11 | Non-Inverting Input D | Matched bias current (12 nA typ) with Pin 10; enables precision differential sensing |
| 12 | V– | Negative supply rail; tied to 0 V for single-supply operation; requires local 0.1 µF bypass |
| 13 | Non-Inverting Input C | Third amplifier non-inverting input; supports ratiometric reference buffering |
| 14 | Inverting Input C | Third amplifier inverting input; used in instrumentation amplifier topologies with RG feedback |
| 15 | Output C | Amplifier C output; capable of sourcing/sinking >20 mA for active filter driving |
| 16 | NC | No internal connection; electrically isolated; no routing or soldering required |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation (5 V) | Input common-mode range extends to 0 V and output swings to within 4 mV of ground - eliminates need for negative rail in portable systems |
| Phase reversal protection | Prevents output inversion when inputs go to –1.5 V, avoiding lock-up in servo loops and sensor front-ends |
| Guaranteed 150 µV max offset | Specified across full 0°C to 70°C temperature range - enables untrimmed designs in cost-sensitive instrumentation |
| Low 0.55 µVP-P 0.1–10 Hz noise | Meets stringent requirements for thermocouple and strain gauge amplification without external filtering |
| Pin-compatible upgrade path | Direct SOIC-16 replacement for LM324-based layouts - no PCB redesign needed for performance enhancement |
Applications
| Thermocouple Amplifier | Strain Gauge Signal Conditioner |
|---|---|
Use Scenario: Amplifying microvolt-level K-type thermocouple outputs (10 mV/°C) with cold-junction compensation across 0°C–60°C ambient. IC Role / Device Role / Timing Role: LT1014DSW#PBF provides three amplifiers for differential gain, reference buffering, and cold-junction compensation - fourth amplifier used for output linearization. Use Value: Achieves ±1°C accuracy without trimming, leveraging 50 µV offset and 0.3 µV/°C drift to minimize thermal error accumulation. | Use Scenario: Conditioning Wheatstone bridge outputs from 350 Ω metal foil strain gauges in pressure transducers (0–350 psi). IC Role / Device Role / Timing Role: LT1014DSW#PBF implements a 3-op-amp instrumentation topology with gain trim, zero offset adjustment, and ratiometric reference buffering. Use Value: Delivers 0–3.5 V output with <0.05% linearity error using only one IC, enabled by 117 dB CMRR and matched internal amplifier characteristics. |
| 4–20 mA Current Loop Transmitter | Active Filter for Sensor Interface |
Use Scenario: Converting 0–4 V analog sensor signals into fully floating 4–20 mA loop outputs for industrial PLC interfaces. IC Role / Device Role / Timing Role: LT1014DSW#PBF configures two amplifiers as precision current source control and two as voltage references and loop compliance monitoring. Use Value: Meets 12-bit accuracy (0.025% FSR) with 4.3 kΩ sense resistor and 1.2 V LT1004 reference - no external DAC or precision resistors required. | Use Scenario: Implementing 2nd-order low-pass filtering (100 Hz cutoff) for ECG or vibration sensor signals prior to ADC sampling. IC Role / Device Role / Timing Role: LT1014DSW#PBF realizes dual-stage Sallen-Key topology with one amplifier per stage, sharing V+ and V– rails. Use Value: Maintains >60 dB stopband attenuation at 1 kHz using only passive RC components, enabled by 8 million open-loop gain and low 0.4 MHz GBW variation across temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OP4177ARUZ | Lower 600 nV/√Hz voltage noise, higher 10 MHz GBW, but 125 µV max offset and no phase-reversal protection | Better for high-frequency active filters; unsuitable for sub-1 V single-supply sensor front-ends with negative transients | Select OP4177ARUZ only when bandwidth >1 MHz is required and input stays within rail limits |
| TL074CDR | Higher 10 mV max offset, 18 V/µs slew rate, JFET input (50 pA bias), but no guaranteed 5 V operation or ground-swing output | Suitable for audio and general-purpose AC-coupled circuits; cannot replace LT1014DSW#PBF in precision DC-coupled instrumentation | Choose TL074CDR only for non-critical, AC-coupled applications where offset drift and noise are secondary concerns |
Compared with OP4177ARUZ and TL074CDR, the LT1014DSW#PBF uniquely combines guaranteed low offset, true single-supply ground-swing operation, and built-in phase-reversal protection - making it irreplaceable in untrimmed, battery-powered, DC-coupled sensor signal chains requiring ±1°C or ±0.05% accuracy.
Availability
LT1014DSW#PBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, strain gauge conditioners, and 4–20 mA current loop transmitters requiring stable component supply across industrial, medical, and test equipment production cycles.
Supply support for LT1014DSW#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, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, formed through the acquisition of Linear Technology in 2017.
The LT1014DSW#PBF belongs to ADI's legacy Linear Technology precision op amp product line, designed specifically for DC-accurate, low-noise, single-supply instrumentation applications where offset, drift, and input/output rail compliance are critical.
FAQ
What is the maximum operating temperature range for the LT1014DSW#PBF?
The LT1014DSW#PBF is rated for 0°C to 70°C ambient operating temperature. This grade is specified with guaranteed parameters including 150 µV max input offset voltage and 2 µV/°C max drift across the full range. It is not qualified for extended industrial (–40°C to 85°C) or military (–55°C to 125°C) temperature grades - those require LT1014ISW#PBF or LT1014AMJ#PBF variants respectively.
Does the LT1014DSW#PBF support true single-supply operation with output swing to ground?
Yes, the LT1014DSW#PBF supports true single-supply operation from 5 V (V+ = 5 V, V– = 0 V). Its output can swing to within 4 mV of ground while sinking 1 mA, and its input common-mode range includes 0 V. This is achieved via an all-NPN output stage and dedicated phase-reversal protection - distinguishing it from legacy op amps like LM324 that saturate or invert near ground.
Can the LT1014DSW#PBF be used as a comparator?
Yes, the LT1014DSW#PBF can be used as a precision comparator in TTL-compatible configurations. Two of its four amplifiers may operate as comparators while the others function as signal conditioners - demonstrated in official Linear Technology application notes (e.g., TA09, TA10). However, it lacks dedicated comparator features like internal hysteresis or rail-to-rail output clamping, so external hysteresis is recommended for noisy environments.
What is the guaranteed input offset voltage specification for LT1014DSW#PBF?
The LT1014DSW#PBF has a guaranteed maximum input offset voltage of 150 µV at 25°C and 0°C to 70°C operating temperature. Typical performance is 50 µV, and long-term stability is specified at 0.4 µV/month. This guarantee applies to the entire device - not per amplifier - and is verified during production testing per Linear Technology's datasheet revision 10134fe.
Is the LT1014DSW#PBF pin-compatible with standard 14-pin DIP op amp footprints?
No, the LT1014DSW#PBF uses a 16-lead SOIC (SW) package and is not physically pin-compatible with 14-pin DIP packages like LM324. However, its pinout is functionally mapped to match the industry-standard 14-pin DIP LM324/LM348 layout - meaning PCB layout can reuse the same signal routing pattern with minor pad adjustments for the two extra pins (8 and 16, both NC) and SOIC-16 land pattern.
LT1014DSW#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- 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 (x4 Channels)
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 44 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SO
LT1014DSW#PBF FAQ
1.How can I place an order for LT1014DSW#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1014DSW#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 LT1014DSW#PBF reliable?
The price and inventory of LT1014DSW#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1014DSW#PBF is usually 5 days.
3.What payment methods are accepted for LT1014DSW#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1014DSW#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1014DSW#PBF?
LT1014DSW#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1014DSW#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 LT1014DSW#PBF?
For technical support, including LT1014DSW#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1014DSW#PBF requirements.
6.How does Aetrix verify that LT1014DSW#PBF is sourced from the original manufacturer or authorized distributors?
All LT1014DSW#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 LT1014DSW#PBF meets industry standards.
7.What is the process for return or replacement of LT1014DSW#PBF?
All LT1014DSW#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1014DSW#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 LT1014DSW#PBF part is unused and in its original packaging.
Return procedure for LT1014DSW#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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