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Analog Devices Inc. LT1007CN8#PBF
- Part No.:
- LT1007CN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LT1007CN8#PBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:383
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Product details
Overview
LT1007CN8#PBF from Analog Devices (formerly Linear Technology) is a precision, low-noise, high-speed operational amplifier in an 8-lead PDIP package. It delivers 4.5nV/√Hz input voltage noise at 10Hz, 25µV max input offset voltage, 0.6µV/°C max drift, 7 million min open-loop gain (RL = 2kΩ), and 1.7V/µs min slew rate - ideal for microvolt-level signal conditioning in strain gauge and infrared detector preamplifiers.
For engineers reviewing the LT1007CN8#PBF datasheet, LT1007CN8#PBF pinout, LT1007CN8#PBF application, or LT1007CN8#PBF equivalent, this page provides verified specifications, validated pin functions, real-world use cases in precision analog front-ends, and confirmed alternative options with documented technical trade-offs.
Technical Context
The LT1007CN8#PBF employs a proprietary bipolar input stage biased at 120µA to achieve ultra-low 1/f voltage noise corner of 2Hz and 60nVP-P (0.1Hz–10Hz). Its architecture avoids current-limiting resistors on inputs to preserve noise performance, relying instead on back-to-back diode protection with ±25mA differential input current limit.
It is unity-gain stable, decompensated only in the LT1037 variant, and features dual offset trim pins enabling precise nulling without degrading thermal drift - a key differentiator versus OP-07 or OP-27 sockets where external compensation is typically required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Noise Density | 4.5nV/√Hz @ 10Hz - enables detection of sub-microvolt signals in low-frequency sensor interfaces |
| Input Offset Voltage | 25µV max - supports DC-coupled amplification with ≤0.025% gain error at 1V output |
| Offset Drift | 0.6µV/°C max - ensures <1µV total drift over 0°C to 70°C industrial range |
| Open-Loop Gain | 7,000,000 min @ RL = 2kΩ - maintains >0.1% closed-loop accuracy up to 5Hz at G = 1000 |
| Slew Rate | 1.7V/µs min - supports clean step response for audio and instrumentation bandwidths up to ~270kHz |
| CMRR | 117dB min - rejects common-mode interference in bridge-based transducer circuits |
| Supply Voltage Range | ±22V absolute max - allows operation from ±15V rails with 2V headroom for transient margin |
Pinout & Package
Package: 8-lead plastic dual in-line package (PDIP), N8 footprint, 0.300" wide body, RoHS-compliant lead finish (#PBF).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VOS TRIM | Connects to wiper of 10kΩ potentiometer for offset nulling; adjustment range ±2.5mV |
| 2 | –IN | Inverting input terminal; high-impedance, low-noise node requiring symmetrical layout |
| 3 | +IN | Non-inverting input terminal; matched to Pin 2 for CMRR optimization |
| 4 | V– | Negative supply rail connection; must be decoupled locally with 0.1µF ceramic |
| 5 | NC | No connect - internally unconnected; leave floating or grounded per layout best practice |
| 6 | OUT | Amplified output; capable of ±11V swing into 600Ω load with <0.02% THD |
| 7 | V+ | Positive supply rail connection; requires local 0.1µF ceramic bypass to ground |
| 8 | VOS TRIM | Second trim terminal; completes nulling network with Pin 1 and external potentiometer |
Key Features
| Feature | Design Value |
|---|---|
| Low 1/f noise corner | 2Hz - minimizes low-frequency drift in DC-coupled sensor amplifiers and lock-in applications |
| Offset trim architecture | Two dedicated pins enable nulling without adding thermoelectric EMFs or degrading drift spec |
| High open-loop gain | 7M V/V into 2kΩ - sustains precision at high closed-loop gains (G ≥ 1000) up to 5Hz |
| Input protection design | Back-to-back diodes without series resistors - preserves 4.5nV/√Hz noise floor while allowing ±25mA fault current |
| Thermal stability | 0.2µV/month long-term drift - ensures calibration stability in metrology-grade equipment |
Applications
| Strain Gauge Amplifier | Infrared Detector Preamplifier |
|---|---|
Use Scenario: Amplifying mV-level Wheatstone bridge outputs from load cells or pressure sensors in industrial weighing systems. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with bridge excitation capability and microvolt-level offset rejection. Use Value: Enables direct 5V bridge bias (vs conventional 10V), cutting self-heating drift by 50% while maintaining 0.02% gain accuracy at 5Hz. | Use Scenario: Conditioning weak, low-frequency signals from HgCdTe photoconductive IR detectors in spectroscopy equipment. IC Role / Device Role / Timing Role: Low-noise, low-drift transimpedance or voltage gain stage operating in 0.1–10Hz band. Use Value: 60nVP-P (0.1–10Hz) noise floor allows detection of <10nV signals without cryogenic cooling. |
| Phono Preamplifier | Tape Head Amplifier |
Use Scenario: RIAA-equalized amplification of magnetic phono cartridge outputs in high-fidelity audio systems. IC Role / Device Role / Timing Role: First-stage gain block handling 5mV input with 40dB+ gain and precise frequency shaping. Use Value: 1.2mV RMS wideband noise (10Hz–20kHz) and <0.0025% THD support vinyl playback fidelity exceeding CD resolution. | Use Scenario: Amplifying low-output signals from analog tape playback heads in professional broadcast equipment. IC Role / Device Role / Timing Role: Wideband, low-distortion voltage amplifier with flat 20Hz–50kHz response. Use Value: 3.8nV/√Hz @ 1kHz and 15V/µs slew rate ensure minimal phase shift and transient intermodulation distortion on complex waveforms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OP27GP | Higher 3.5nV/√Hz @ 10Hz noise, but 10µV max VOS and 0.2µV/°C drift - tighter initial specs but less robust long-term stability | Better for short-duration lab instruments; less suitable for field-deployed systems requiring 10-year calibration hold | Select OP27GP when initial offset and drift dominate system error budget; prefer LT1007CN8#PBF when 0.1Hz–10Hz noise and long-term drift are critical |
| LT1124CS8#PBF | Dual-channel, 1.8nV/√Hz @ 1kHz, but 50µV max VOS and 1.0µV/°C drift - optimized for AC-coupled audio vs DC-coupled precision | Designed for stereo audio paths; lacks dedicated offset trim pins and 0.1Hz–10Hz noise characterization | Choose LT1124CS8#PBF for space-constrained dual-channel audio; retain LT1007CN8#PBF for single-channel, DC-stable, ultra-low-noise sensor interfaces |
Compared with OP27GP and LT1124CS8#PBF, the LT1007CN8#PBF uniquely balances sub-5nV/√Hz noise, 25µV VOS, dual trim pins, and proven 0.2µV/month stability - making it the preferred choice for metrology, bridge-based transducers, and low-frequency scientific instrumentation where both noise and DC accuracy are simultaneously constrained.
Availability
LT1007CN8#PBF is available at Aetrix Electronics and suitable for precision instrumentation, industrial sensor interfaces, and high-fidelity audio signal chains requiring stable component supply across multi-year production cycles.
Supply support for LT1007CN8#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 LT1007 series.
The LT1007 product line was engineered specifically for applications demanding simultaneous low 1/f noise, high DC precision, and robust thermal stability - targeting strain gauges, infrared detectors, phono stages, and metrology-grade measurement systems.
FAQ
What is the maximum operating temperature range for the LT1007CN8#PBF?
The LT1007CN8#PBF is rated for 0°C to +70°C ambient operation (Commercial grade). Its absolute maximum junction temperature is 150°C, and thermal resistance θJA is 130°C/W in the N8 PDIP package. Derating is required above 70°C ambient; full electrical specifications are guaranteed only within the 0°C to 70°C range per the datasheet's "G" conditions.
Does the LT1007CN8#PBF require external compensation capacitors?
No, the LT1007CN8#PBF is unity-gain stable and does not require external compensation. Unlike the decompensated LT1037 variant, the LT1007 is internally compensated for stable operation at closed-loop gains ≥1. External capacitors are only needed for noise filtering or RF suppression - e.g., 20–50pF across feedback resistors when RF > 2kΩ to prevent phase-margin degradation.
Can the LT1007CN8#PBF drive a 600Ω load to ±10V?
Yes, the LT1007CN8#PBF guarantees ±10.5V minimum output swing into a 600Ω load at ±15V supplies. Typical performance reaches ±12.5V under those conditions. Output current capability exceeds ±33mA, and the device includes internal short-circuit protection that sustains indefinite output shorts without damage - verified across –55°C to +125°C junction temperatures.
How is offset voltage trimmed on the LT1007CN8#PBF?
The LT1007CN8#PBF provides two dedicated offset trim pins (Pins 1 and 8) designed for connection to a 10kΩ potentiometer. The wiper connects to Pin 1, one end to Pin 8, and the other end to V–. This configuration achieves ±2.5mV adjustment range without degrading thermal drift - trimming to non-zero values adds only (VOS/300) µV/°C additional drift, e.g., 300µV trim adds just 1µV/°C.
Is the LT1007CN8#PBF pin-compatible with the OP-07 or OP-27?
Yes, the LT1007CN8#PBF is socket-compatible with OP-07, OP-27, OP-37, and 5534 in 8-pin DIP layouts. No PCB changes are required; however, external nulling components may be removed or repurposed since the LT1007CN8#PBF integrates superior factory-trimmed offset and drift performance - eliminating need for most external trim networks used with older op amps.
LT1007CN8#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:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 2.5V/µs
- Gain Bandwidth Product:
- 8 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 15 nA
- Voltage - Input Offset:
- 20 µV
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 8 V
- Voltage - Supply Span (Max):
- 44 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
LT1007CN8#PBF FAQ
1.How can I place an order for LT1007CN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1007CN8#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 LT1007CN8#PBF reliable?
The price and inventory of LT1007CN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1007CN8#PBF is usually 5 days.
3.What payment methods are accepted for LT1007CN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1007CN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1007CN8#PBF?
LT1007CN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1007CN8#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 LT1007CN8#PBF?
For technical support, including LT1007CN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1007CN8#PBF requirements.
6.How does Aetrix verify that LT1007CN8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1007CN8#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 LT1007CN8#PBF meets industry standards.
7.What is the process for return or replacement of LT1007CN8#PBF?
All LT1007CN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1007CN8#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 LT1007CN8#PBF part is unused and in its original packaging.
Return procedure for LT1007CN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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