LM7171AIN/NOPB Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The LM7171AIN/NOPB is a high-speed voltage-feedback operational amplifier from Texas Instruments in an 8-pin DIP package. It offers 104 dB common-mode rejection ratio and 1500 µV maximum input offset voltage for precision amplification. Ideal for video signal processing, active filters, and high-frequency instrumentation circuits.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM7171AIN/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-speed voltage-feedback op-amp architecture
- 104 dB common-mode rejection ratio
- 1500 µV maximum input offset voltage
- 10 µA maximum bias current at 25°C
- 8-pin DIP package for through-hole prototyping
- Frequency compensation enabled for gains ≥2
Applications
The LM7171AIN/NOPB is designed for high-speed analog signal processing applications including video signal amplification, wideband active filters, and high-frequency instrumentation front ends. Its 104 dB CMRR and low input offset voltage make it suitable for differential signal acquisition in industrial measurement systems. The 8-pin DIP package supports rapid prototyping and breadboard evaluation during circuit development.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 10 µA |
| Bias Current-Max (IIB) @25C | 10 µA |
| Common-mode Reject Ratio-Nom | 104dB |
| Frequency Compensation | YES (AVCL>=2) |
| Input Offset Voltage-Max | 1500 µV |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | RAIL |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 950V/us |
| Supply Current-Max | 9.5mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 125000 |
| Voltage Gain-Min | 2200 |
| Wideband | YES |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM7171AIN/NOPB:
Texas Instruments OP-AMP, 1500uV OFFSET-MAX, 125MHz BAND WIDTH, PDIP8, 0.300 INCH, PLASTIC, DIP-8
Frequently Asked Questions
How does the LM7171AIN/NOPB's 104 dB CMRR benefit differential signal acquisition in noisy environments?
With a 104 dB common-mode rejection ratio, the LM7171AIN/NOPB suppresses common-mode noise by a factor of over 100,000, ensuring that differential signals as small as microvolts remain distinguishable from ground noise and power supply ripple. This is critical in industrial sensor interfaces, instrumentation amplifiers, and analog front ends operating near switching power supplies.
What minimum closed-loop gain is required when using the LM7171AIN/NOPB with frequency compensation?
The LM7171AIN/NOPB's internal frequency compensation is specified for stable operation at closed-loop gains of 2 or higher. Operating below this gain threshold may result in reduced phase margin and potential oscillation, so designers targeting unity-gain buffers should add external compensation or select a unity-gain stable variant. At gain of 2, the amplifier maintains flat frequency response suitable for wideband signal conditioning.
For a through-hole prototype requiring precise differential amplification, why would an engineer select the LM7171AIN/NOPB over surface-mount alternatives?
The LM7171AIN/NOPB's 8-pin DIP package with 0.3 inch row spacing fits directly on standard breadboards and through-hole PCBs without adapters, accelerating prototype iteration cycles. Its 1500 µV maximum input offset and 10 µA bias current specs match those of SMD counterparts, so performance is not sacrificed. This makes it a practical choice during the design validation phase before committing to surface-mount layouts.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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