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Analog Devices Inc. LTC1151CN8#PBF
- Part No.:
- LTC1151CN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LTC1151CN8#PBF.pdf
- Description:
- IC OPAMP ZERO-DRIFT 2 CIRC 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:996
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Product details
Overview
LTC1151CN8#PBF from Analog Devices (formerly Linear Technology) is a dual, high-voltage, zero-drift operational amplifier in an 8-lead PDIP package, featuring ±0.5µV typical input offset voltage, 0.01µV/°C typical drift, 1.5µVP-P (0.1Hz–10Hz) input noise, 2.5MHz gain-bandwidth product, and operation up to ±18V supplies. It integrates on-chip sample-and-hold capacitors and targets precision DC-critical applications such as thermocouple amplification and strain gauge signal conditioning.
For engineers reviewing the LTC1151CN8#PBF datasheet, LTC1151CN8#PBF pinout, LTC1151CN8#PBF application, or LTC1151CN8#PBF equivalent, key selection considerations include guaranteed 0.05µV/°C max drift over temperature, no external capacitors required for chopper stabilization, ±13.5V output swing into 10kΩ, and compatibility with standard bipolar op amp sockets.
Technical Context
The LTC1151CN8#PBF employs auto-zeroing architecture with internal 1kHz sampling frequency to eliminate input offset and drift, eliminating need for external hold capacitors. Its proprietary high-voltage CMOS process enables ±18V operation while maintaining picoampere-level input bias current (±15pA typical).
It delivers 140dB typical open-loop gain and >106dB common-mode rejection ratio across its full input common-mode range (including ground), supporting single-supply (4.75V–36V) and dual-supply (±2.375V–±16V) configurations without performance degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ±0.5µV typical - enables sub-microvolt DC accuracy without trimming |
| Avg. Input Offset Drift | ±0.01µV/°C typical - ensures stable baseline over industrial temperature range |
| 0.1Hz–10Hz Input Noise | 1.5µVP-P - supports high-resolution DC measurements in low-frequency sensor interfaces |
| Supply Voltage Range | ±2.375V to ±16V (dual), or 4.75V–36V (single) - interoperable with legacy ±15V systems and modern low-voltage rails |
| Gain-Bandwidth Product | 2.5MHz - sufficient for closed-loop gains up to 1000 at DC–2.5kHz bandwidth |
| Slew Rate | 2.5V/µs - handles fast step inputs without significant settling error in precision instrumentation |
| CMRR | 106dB minimum - rejects common-mode interference in bridge and differential sensor circuits |
| PSRR | 110dB minimum - maintains accuracy despite supply rail ripple or noise |
Pinout & Package
Package: 8-lead plastic DIP (N8), 0.300-inch width, through-hole mounting, JEDEC MS-001 compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives load directly; capable of ±13.5V swing into 10kΩ |
| 2 | –IN A | Inverting input of Amp A - high-impedance node requiring guarding for picoampere-level accuracy |
| 3 | +IN A | Non-inverting input of Amp A - accepts signals down to V–, including ground-referenced sensors |
| 4 | V– | Negative supply rail - must be connected before any input signal to prevent latch-up |
| 5 | V+ | Positive supply rail - supports up to +18V; total supply voltage ≤36V |
| 6 | OUT B | Amplifier B output - independent channel with identical specs to OUT A |
| 7 | –IN B | Inverting input of Amp B - electrically isolated from Amp A; requires separate guarding |
| 8 | +IN B | Non-inverting input of Amp B - supports rail-to-rail common-mode input including V– |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Chopper Capacitors | Eliminates need for two external 10nF–100nF hold capacitors per amplifier, reducing board area and leakage risk |
| High-Voltage CMOS Process | Enables ±18V operation while maintaining <1nA input bias current - critical for high-impedance sensor front-ends |
| Guaranteed Drift Performance | 0.05µV/°C maximum over 0°C–70°C - ensures long-term calibration stability in medical and test equipment |
| No External Trim Required | Factory-trimmed offset and drift - removes manual potentiometer adjustment and associated thermal EMF errors |
| Input Common-Mode Range Includes Ground | Allows direct connection of grounded thermocouples or bridge midpoints without level-shifting circuitry |
| Overload Recovery Time | 3ms (positive saturation), 20ms (negative saturation) - enables robust recovery after sensor overrange events |
Applications
| Thermocouple Amplification | Strain Gauge Signal Conditioning |
|---|---|
Use Scenario: Amplifying µV-level outputs from Type K thermocouples across –200°C to +1350°C with cold-junction compensation. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with ultra-low drift to preserve absolute temperature accuracy. Use Value: 0.01µV/°C drift ensures <0.1°C error contribution over 10°C ambient shift - meeting Class I thermocouple system requirements. | Use Scenario: Reading unbalanced Wheatstone bridges from metal foil strain gauges in load cells and pressure transducers. IC Role / Device Role / Timing Role: Dual-channel instrumentation front-end providing active common-mode suppression and gain. Use Value: 106dB CMRR rejects bridge excitation noise; integrated zero-drift eliminates warm-up drift-induced zero-error in weighing systems. |
| Medical Instrumentation | High-Resolution Data Acquisition |
Use Scenario: Biopotential signal amplification (ECG, EEG) where electrode-skin interface voltages require microvolt-level DC stability. IC Role / Device Role / Timing Role: First-stage DC-coupled amplifier with guard-driven inputs to minimize leakage-induced baseline wander. Use Value: ±15pA input bias current and picoampere guarding enable >100MΩ effective input impedance - preserving signal integrity from high-impedance electrodes. | Use Scenario: 16-bit+ data acquisition systems digitizing slow-varying physical parameters (temperature, humidity, position). IC Role / Device Role / Timing Role: Precision buffer and gain stage preceding SAR or delta-sigma ADCs to maximize ENOB. Use Value: 1.5µVP-P 0.1Hz–10Hz noise contributes <0.1 LSB error in 16-bit (65,536-step) systems with 10V full-scale range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision zero-drift op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC1150CN8#PBF | Single-channel version; identical offset/drift/noise specs but half the channel count and supply current (0.9mA vs 1.8mA) | Used where only one precision gain path is needed - reduces cost and board space in single-sensor systems | Select when dual-channel functionality is unnecessary and PCB real estate or power budget is constrained |
| LTC2051HMS8#PBF | MSOP-8 package; lower supply current (150µA max per amp); 1.2MHz GBW; 0.25µV/°C max drift - less precise but more power-efficient | Targeted at battery-powered portable instruments where ultra-low drift is secondary to energy efficiency | Choose for handheld or IoT edge sensors requiring microampere quiescent current and moderate DC accuracy |
Compared with LTC1151CN8#PBF, LTC1150CN8#PBF offers identical precision in half the footprint and power, while LTC2051HMS8#PBF trades drift and bandwidth for 6× lower supply current - making it suitable for portable applications where ultimate DC stability is not required.
Availability
LTC1151CN8#PBF is available at Aetrix Electronics and suitable for thermocouple amplification, strain gauge signal conditioning, and medical instrumentation requiring stable component supply across extended production lifecycles.
Supply support for LTC1151CN8#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 its precision analog portfolio, emphasizing high-performance signal conditioning ICs for industrial, medical, and test equipment markets.
The LTC1151CN8#PBF belongs to Linear's zero-drift op amp family, designed specifically for applications demanding microvolt-level DC accuracy, sub-0.1µV/°C drift, and immunity to thermal EMF errors in sensor front-ends.
FAQ
What is the maximum total supply voltage rating for the LTC1151CN8#PBF?
The LTC1151CN8#PBF has an absolute maximum total supply voltage (V+ to V–) of 36V. This allows operation at ±18V dual supplies or up to 36V single supply. Exceeding this rating risks permanent damage. The device is characterized for reliable operation at ±15V, delivering full specified performance including 2.5MHz gain-bandwidth and 2.5V/µs slew rate under those conditions.
Does the LTC1151CN8#PBF require external capacitors for chopper stabilization?
No, the LTC1151CN8#PBF does not require external capacitors for chopper stabilization. It integrates two sample-and-hold capacitors per amplifier on-die - a key differentiator from earlier chopper amplifiers like the LTC1051. This eliminates external capacitor placement, leakage, and thermal EMF concerns, simplifying layout and improving long-term DC stability in the LTC1151CN8#PBF.
What is the guaranteed input offset voltage drift specification for the LTC1151CN8#PBF over temperature?
The LTC1151CN8#PBF guarantees a maximum average input offset voltage drift of ±0.05µV/°C over its full operating temperature range (0°C to 70°C). This is confirmed in the Electrical Characteristics table with ● marking indicating temperature-range guarantee. Typical performance is ±0.01µV/°C, making the LTC1151CN8#PBF suitable for applications requiring minimal calibration drift over ambient variations.
Can the LTC1151CN8#PBF operate from a single 5V supply?
Yes, the LTC1151CN8#PBF supports single-supply operation from 4.75V to 36V. At 5V, it maintains key specifications including 115dB minimum large-signal voltage gain and 110dB minimum PSRR. However, output swing is reduced (4.85V max into 10kΩ), and the input common-mode range extends from 0V to 2.7V - so ground-referenced inputs remain valid, but high-side sensing requires level-shifting.
What package type is used by the LTC1151CN8#PBF, and is it socket-compatible with standard op amps?
The LTC1151CN8#PBF uses an 8-lead plastic DIP (N8) package with 0.300-inch width. It is pin-compatible with industry-standard dual op amps such as the LM358 and OP27, allowing direct insertion into most standard bipolar op amp sockets. Pin 1 is OUT A, pin 2 is –IN A, pin 3 is +IN A, pin 4 is V–, pin 5 is V+, pin 6 is OUT B, pin 7 is –IN B, and pin 8 is +IN B - matching conventional dual op amp pinouts.
LTC1151CN8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Zero-Drift
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 2.5V/µs
- Gain Bandwidth Product:
- 2 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 15 pA
- Voltage - Input Offset:
- 0.5 µV
- Current - Supply:
- 900µA (x2 Channels)
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 4.75 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
LTC1151CN8#PBF FAQ
1.How can I place an order for LTC1151CN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1151CN8#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 LTC1151CN8#PBF reliable?
The price and inventory of LTC1151CN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1151CN8#PBF is usually 5 days.
3.What payment methods are accepted for LTC1151CN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1151CN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1151CN8#PBF?
LTC1151CN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1151CN8#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 LTC1151CN8#PBF?
For technical support, including LTC1151CN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1151CN8#PBF requirements.
6.How does Aetrix verify that LTC1151CN8#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1151CN8#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 LTC1151CN8#PBF meets industry standards.
7.What is the process for return or replacement of LTC1151CN8#PBF?
All LTC1151CN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1151CN8#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 LTC1151CN8#PBF part is unused and in its original packaging.
Return procedure for LTC1151CN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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