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Analog Devices Inc. LTC1053CSW#PBF
- Part No.:
- LTC1053CSW#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 18-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
LTC1053CSW#PBF.pdf
- Description:
- IC OPAMP ZERO-DRIFT 4 CIRC 18SO
- Quantity:
- Payment:
- Shipping:
Inventory:322
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Product details
Overview
LTC1053CSW#PBF from Analog Devices (formerly Linear Technology) is a quad zero-drift operational amplifier with integrated sample-and-hold capacitors, designed for ultra-precision DC-coupled signal conditioning. It delivers 0.5µV max input offset voltage, 0.01µV/°C typical drift, 1.5µVP-P (DC–10Hz) input noise, 2.5MHz gain bandwidth, and 4V/µs slew rate while consuming only 1mA per amplifier at ±5V supply. It is used in thermocouple amplifiers, strain gauge interfaces, and high-resolution data acquisition systems requiring sub-microvolt stability.
For engineers reviewing the LTC1053CSW#PBF datasheet, LTC1053CSW#PBF pinout, LTC1053CSW#PBF application, or LTC1053CSW#PBF equivalent, key selection criteria include its internal capacitor architecture eliminating external hold capacitors, guaranteed 114dB min CMRR over temperature, 120dB min PSRR, rail-to-rail output swing to ground, and compatibility with single-supply operation from 4.75V to 16V.
Technical Context
The LTC1053CSW#PBF employs chopper-stabilized architecture with on-chip sampling capacitors operating at 3.3kHz, enabling true zero-drift performance without external components. Its dual-stage correction loop achieves combined DC and AC accuracy superior to conventional chopper amplifiers.
It features input common-mode range extending to V–, output swing to ground, and overload recovery of 1.5ms (positive saturation) and 3ms (negative saturation). The device maintains 116dB minimum large-signal voltage gain and 106dB CMRR across full industrial temperature range (–40°C to +85°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ±0.5µV typical - enables direct measurement of µV-level sensor outputs without nulling circuitry |
| Offset Drift | ±0.01µV/°C typical - ensures <1µV total drift over 100°C ambient change, critical for unattended instrumentation |
| Input Noise (DC–10Hz) | 1.5µVP-P typical - supports 20-bit+ resolution in low-frequency data acquisition |
| Gain Bandwidth Product | 2.5MHz - allows stable closed-loop gain ≥10 at 200kHz, suitable for anti-alias filtering and active sensor conditioning |
| Slew Rate | 4V/µs - supports fast settling of step inputs in precision control loops without overshoot |
| Supply Current per Op Amp | 1mA typical at ±5V - enables quad-channel precision amplification within 4mA total, ideal for space-constrained modules |
| CMRR | 114dB minimum - rejects >5M:1 common-mode interference in bridge-based sensors |
| PSRR | 120dB minimum - maintains accuracy despite ±100mV supply ripple in noisy industrial environments |
Pinout & Package
Package: 18-pin plastic SO (SW package), 0.300" wide, RoHS-compliant, θJA = 110°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | No Connect (NC) | Unused pins; must be left floating or tied to ground per layout best practices to minimize coupling |
| 2, 5, 10, 13 | Inverting Input (–IN A/B/C/D) | Differential input terminals for each of four independent amplifiers; high-impedance (±15pA bias current) |
| 3, 6, 11, 14 | Non-inverting Input (+IN A/B/C/D) | Reference-side inputs; support rail-to-rail common-mode range including ground |
| 4, 7, 12, 15 | Output (OUT A/B/C/D) | Class AB output stage driving ≥10kΩ load to within 150mV of V– and 150mV of V+ |
| 17 | Positive Supply (V+) | Accepts 4.75V to 16V single supply or ±2.375V to ±8V dual supply; decoupling required within 1cm |
| 18 | Negative Supply (V–) | Ground reference for single supply or negative rail for dual supply; connects to system ground plane |
Key Features
| Feature | Design Value |
|---|---|
| On-chip sample-and-hold capacitors | Eliminates need for external 10–100pF hold capacitors, reducing PCB area and leakage-induced drift errors |
| Input common-mode range includes ground | Enables direct interfacing with grounded sensors (e.g., RTDs, thermocouples) without level-shifting circuitry |
| Output swings to ground | Supports single-supply operation down to 0V output, essential for ADC driver stages with unipolar input ranges |
| 100× faster overload recovery vs external-capacitor choppers | 1.5ms/3ms recovery from positive/negative saturation enables rapid fault recovery in closed-loop controllers |
| Pin-compatible with industry-standard quad op amps | Direct replacement for LM324/LT1014 footprints, allowing drop-in upgrade of legacy precision designs |
| Guaranteed 120dB PSRR and 114dB CMRR over temperature | Ensures consistent rejection of power supply noise and EMI in harsh industrial environments without recalibration |
Applications
| Thermocouple Amplifiers | Strain Gauge Amplifiers |
|---|---|
Use Scenario: Amplifying µV-level Seebeck voltages from Type K thermocouples across –200°C to +1350°C with cold-junction compensation. IC Role / Device Role / Timing Role: Primary front-end gain stage with ultra-low offset drift to preserve absolute temperature accuracy. Use Value: 0.01µV/°C drift limits thermal EMF-induced error to <1°C over 100°C ambient shift, meeting ASTM E230 Class 2 requirements. | Use Scenario: Conditioning mV/V outputs from 350Ω Wheatstone bridge strain gauges in load cells and pressure transducers. IC Role / Device Role / Timing Role: Instrumentation-grade differential amplifier with matched input impedance and rail-to-rail output swing. Use Value: 1.5µVP-P (DC–10Hz) noise enables 1:1,000,000 dynamic range, supporting 24-bit sigma-delta ADCs without averaging. |
| Medical Instrumentation | High Resolution Data Acquisition |
Use Scenario: Biopotential signal conditioning in ECG/EEG front-ends where electrode half-cell potentials vary up to ±300mV. IC Role / Device Role / Timing Role: DC-coupled input buffer rejecting electrode polarization drift while preserving low-frequency waveform fidelity. Use Value: Input common-mode range including ground allows direct connection to Ag/AgCl electrodes without bias networks, reducing leakage-induced baseline wander. | Use Scenario: Precision sensor hub aggregating outputs from multiple analog sensors (RTD, thermistor, bridge) into a single 24-bit ADC channel. IC Role / Device Role / Timing Role: Quad-channel programmable-gain amplifier with matched gain/offset specs across all channels. Use Value: 0.5µV offset and 120dB PSRR ensure <0.001% gain error across channels, enabling software calibration with <10ppm residual error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC1053CN | 14-pin PDIP package; same electrical specs but higher θJA (90°C/W); no NC pins | Preferred for through-hole prototyping or legacy DIP-based systems requiring manual assembly | Select LTC1053CN when board real estate allows larger footprint and thermal management uses heatsinking rather than airflow |
| AD8628ARZ | Single zero-drift op amp; 1.5µV offset, 0.02µV/°C drift, 2.2MHz GBW, but requires external 100pF hold capacitor | Used in space-constrained single-channel designs where quad integration is unnecessary | Choose AD8628ARZ only when replacing individual amplifiers in existing layouts and external capacitor placement is feasible |
Compared with LTC1053CN and AD8628ARZ, the LTC1053CSW#PBF uniquely combines quad-channel integration, internal hold capacitors, and SO-18 packaging-enabling 4× precision amplification in 43% less board area than four discrete AD8628ARZ units, while eliminating four external capacitors and associated leakage paths.
Availability
LTC1053CSW#PBF is available at Aetrix Electronics and suitable for thermocouple amplifiers, strain gauge interfaces, and medical instrumentation requiring stable component supply across long production lifecycles.
Supply support for LTC1053CSW#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 acquired Linear Technology in 2017 and maintains full product support, manufacturing, and documentation for legacy Linear parts including the LTC1053 series.
The LTC1053 belongs to Linear's precision chopper-stabilized op amp family, engineered specifically for DC-accurate sensor signal conditioning where microvolt-level offset stability and nanovolt-per-degree drift are mandatory.
FAQ
What is the maximum operating temperature range for the LTC1053CSW#PBF?
The LTC1053CSW#PBF is rated for industrial temperature operation from –40°C to +85°C. This range is guaranteed for all key parameters including input offset voltage (±5µV max), offset drift (±0.05µV/°C max), and CMRR (100dB min). The device's 150°C junction temperature limit and 110°C/W thermal resistance allow reliable operation under sustained 85°C ambient with appropriate PCB copper area.
Does the LTC1053CSW#PBF require external capacitors for chopper stabilization?
No, the LTC1053CSW#PBF does not require external capacitors for chopper stabilization. It integrates on-chip sample-and-hold capacitors, a defining feature that eliminates the 10–100pF external capacitors typically needed by other chopper amplifiers. This integration reduces PCB area, avoids leakage-induced drift errors, and simplifies layout-making the LTC1053CSW#PBF a true "no-external-component" precision op amp.
Can the LTC1053CSW#PBF operate from a single 5V supply?
Yes, the LTC1053CSW#PBF supports single-supply operation from 4.75V to 16V. With a 5V supply (V+ = 5V, V– = 0V), it maintains full rail-to-rail input common-mode range (including ground) and output swing to within 150mV of ground. Its 1mA per amplifier supply current enables efficient quad-channel operation at 5V, making the LTC1053CSW#PBF suitable for battery-powered portable instrumentation.
How does the LTC1053CSW#PBF handle overload recovery?
The LTC1053CSW#PBF recovers from positive saturation in 1.5ms and from negative saturation in 3ms-approximately 100× faster than chopper amplifiers using external hold capacitors. This rapid recovery is enabled by its internal capacitor architecture and optimized correction loop. In closed-loop systems like PID controllers, this prevents extended latch-up during transient overloads, ensuring deterministic response after fault conditions clear.
Is the LTC1053CSW#PBF pin-compatible with standard quad op amp packages?
Yes, the LTC1053CSW#PBF is pin-compatible with industry-standard 14-pin and 18-pin quad op amp footprints. Its SW package (18-pin SO) maps directly to the pinout of legacy quad amplifiers such as the LT1014 and LM324, with NC pins placed to maintain mechanical compatibility. This allows direct drop-in replacement in existing designs without PCB redesign, delivering immediate performance upgrades in offset, drift, and noise.
LTC1053CSW#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 18-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Chopper (Zero-Drift)
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 4V/µs
- Gain Bandwidth Product:
- 2.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 15 pA
- Voltage - Input Offset:
- 0.5 µV
- Current - Supply:
- 1mA (x4 Channels)
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 4.75 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 18-SO
LTC1053CSW#PBF FAQ
1.How can I place an order for LTC1053CSW#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1053CSW#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 LTC1053CSW#PBF reliable?
The price and inventory of LTC1053CSW#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1053CSW#PBF is usually 5 days.
3.What payment methods are accepted for LTC1053CSW#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1053CSW#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1053CSW#PBF?
LTC1053CSW#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1053CSW#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 LTC1053CSW#PBF?
For technical support, including LTC1053CSW#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1053CSW#PBF requirements.
6.How does Aetrix verify that LTC1053CSW#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1053CSW#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 LTC1053CSW#PBF meets industry standards.
7.What is the process for return or replacement of LTC1053CSW#PBF?
All LTC1053CSW#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1053CSW#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 LTC1053CSW#PBF part is unused and in its original packaging.
Return procedure for LTC1053CSW#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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