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Texas Instruments LM6171BIMX/NOPB
- Part No.:
- LM6171BIMX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM6171BIMX/NOPB.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:5,588
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Product details
Overview
LM6171BIMX/NOPB from Texas Instruments is a high-speed, unity-gain-stable voltage-feedback amplifier optimized for video and precision analog signal processing. It delivers 3600 V/μs slew rate, 100 MHz unity-gain bandwidth, and 2.5 mA supply current under ±15-V operation-enabling fast pulse amplification and ADC/DAC buffering in broadcast and instrumentation systems.
For engineers reviewing the LM6171BIMX/NOPB datasheet, LM6171BIMX/NOPB pinout, LM6171BIMX/NOPB application, or LM6171BIMX/NOPB equivalent, key selection criteria include slew rate vs. load capacitance trade-offs, ±5-V vs. ±15-V supply performance divergence, differential gain/phase accuracy at 3.58 MHz, and SOIC-8 thermal derating above 85°C ambient.
Technical Context
The LM6171BIMX/NOPB uses a voltage-feedback architecture with internal compensation for unity-gain stability. Its high open-loop gain (90 dB) and CMRR (110 dB) support precision DC-coupled applications, while its low input bias current (3 µA typ.) and 12 nV/√Hz input voltage noise enable wide dynamic range in high-frequency signal chains.
It operates across ±5-V to ±15-V supplies, with specified performance at both extremes: at ±5 V, it achieves 750 V/μs slew rate and 70 MHz unity-gain bandwidth; at ±15 V, it reaches 3600 V/μs and 100 MHz-making it suitable for both portable and industrial line-powered designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 3600 V/μs at ±15 V - enables clean 10-VPP pulse amplification up to ~35 MHz without slewing distortion |
| Unity-Gain Bandwidth | 100 MHz (LM6171B) - supports stable closed-loop gain ≥1 with >40° phase margin |
| Supply Current | 2.5 mA (typ., ±15 V) - allows integration into multi-channel systems with <20 mW/channel dissipation |
| Input Offset Voltage | 6 mV max (–40°C to +85°C) - ensures ≤0.1% gain error in 1-V full-scale video buffer applications |
| Differential Gain/Phase | 0.03%/0.5° at 3.58 MHz - meets NTSC/PAL broadcast linearity requirements for composite video |
| Output Drive | ±116 mA (sourcing), ±105 mA (sinking) into 100 Ω - drives 75-Ω video lines with <0.5-dB loss at 10 MHz |
| Input Voltage Noise | 12 nV/√Hz at 10 kHz - preserves SNR >70 dB in 10-MHz bandwidth signal paths |
Pinout & Package
LM6171BIMX/NOPB is packaged in an 8-pin SOIC (D package), 4.9 mm × 6 mm body size, with standard JEDEC MS-012AC footprint and gull-wing leads. Thermal resistance RθJA = 122.5°C/W enables 85°C ambient operation at ≤500 mW dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8 | No-connect | Internally unconnected; must be left floating or tied to ground for mechanical stability only |
| 2 (–IN) | Inverting Input | Differential input node; high-impedance (40 MΩ common-mode) for feedback network attachment |
| 3 (+IN) | Non-inverting Input | DC-coupled input path; common-mode range extends to ±13.5 V on ±15-V supplies |
| 4 (V–) | Negative Supply | Return path for internal biasing; requires local 0.1-µF ceramic decoupling to minimize PSRR degradation |
| 6 (OUTPUT) | Amplifier Output | Class-AB output stage capable of ±13.3 V swing into 1 kΩ at ±15 V, with 14 Ω open-loop impedance |
| 7 (V+) | Positive Supply | Primary power rail; PSRR >80 dB up to 1 MHz ensures immunity to digital supply noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| Voltage-feedback topology | Enables intuitive gain-setting with standard resistor networks and predictable stability analysis |
| Unity-gain stability | Eliminates need for external compensation in buffer, gain-of-2, or inverting configurations |
| High output current drive | Supports direct 75-Ω video line termination without external buffers or transformers |
| Low THD + SFDR | Delivers –75 dBc HD2/HD3 at 10 MHz (±15 V, 2 VPP), critical for HDTV and ADC front-end fidelity |
| Wide supply range | Operates identically across ±5 V (portable) and ±15 V (industrial), reducing BOM count across platforms |
Applications
| NTSC/PAL Video Amplifier | HDTV Signal Buffer |
|---|---|
Use Scenario: Amplifying composite video signals in set-top boxes and broadcast monitors. IC Role / Device Role / Timing Role: Unity-gain buffer driving 75-Ω coaxial cable with minimal group delay variation. Use Value: 0.03% differential gain and 0.5° phase error preserve color fidelity across 4.43 MHz PAL and 3.58 MHz NTSC chroma subcarriers. | Use Scenario: Driving HDMI source-side analog test points or legacy component video outputs. IC Role / Device Role / Timing Role: High-slew-rate gain-of-2 amplifier for RGB or YPbPr signals up to 75 MHz. Use Value: 75 MHz –3-dB bandwidth at AV = +2 and 3600 V/μs slew rate prevent edge ringing on 1080p/60 sync pulses. |
| ADC Driver | Pulse Amplifier & Peak Detector |
Use Scenario: Buffering sensor outputs into SAR or pipeline ADCs with >10-bit ENOB. IC Role / Device Role / Timing Role: Low-noise, low-distortion driver maintaining SNR >70 dB over 10-MHz bandwidth. Use Value: 12 nV/√Hz input voltage noise and –75 dBc harmonic distortion ensure <0.5-LSB error in 12-bit 1-MSPS conversions. | Use Scenario: Amplifying fast-rising laser pulse or radar return signals in test equipment. IC Role / Device Role / Timing Role: Wideband gain stage feeding precision peak-hold circuits with minimal droop. Use Value: 21 ns 0.1% settling time (LM6171A) and 48 ns (LM6171B) enable accurate amplitude capture of 20-ns pulses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed voltage-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM6172IMX/NOPB | Dual-channel version in same SOIC-8 package; identical AC specs but higher total supply current (5 mA) | Preferred for space-constrained dual-path systems (e.g., stereo audio, differential video) | Select when channel count >1 is required and board area is limited |
| THS3201DGNR | Current-feedback architecture; 4000 V/μs slew rate but lower DC precision (VOS = 5 mV max) | Better for ultra-high-speed (>100 MHz) RF/IF gain blocks where DC offset is less critical | Select when bandwidth >150 MHz is mandatory and offset drift tolerance >2 mV/°C is acceptable |
Compared with LM6172IMX/NOPB, LM6171BIMX/NOPB offers lower power per channel and simpler single-ended layout; compared with THS3201DGNR, it provides superior DC accuracy and video-grade linearity at the cost of ~20% bandwidth reduction.
Availability
LM6171BIMX/NOPB is available at Aetrix Electronics and suitable for multimedia broadcast systems, HDTV signal conditioning, and precision ADC/DAC buffering requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for LM6171BIMX/NOPB 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
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies for industrial, automotive, and communications markets.
The LM6171 product line was designed specifically for high-fidelity video signal processing and wideband analog data acquisition, balancing speed, linearity, and power efficiency in ±5-V to ±15-V systems.
FAQ
What supply voltage ranges does the LM6171BIMX/NOPB support?
The LM6171BIMX/NOPB operates over ±5 V to ±15 V total supply range (i.e., 10 V to 30 V). At ±5 V, it delivers 750 V/μs slew rate and 70 MHz unity-gain bandwidth; at ±15 V, it achieves 3600 V/μs and 100 MHz. Absolute maximum supply is 36 V, and recommended operating conditions specify 5.5 V to 34 V.
Is the LM6171BIMX/NOPB unity-gain stable?
Yes, the LM6171BIMX/NOPB is internally compensated for unity-gain stability. It maintains ≥40° phase margin at AV = +1 across all loads and supply voltages, eliminating the need for external compensation components in buffer, follower, or gain-of-2 configurations.
How does the LM6171BIMX/NOPB perform in video applications like NTSC or PAL?
The LM6171BIMX/NOPB delivers 0.03% differential gain and 0.5° differential phase at 3.58 MHz under AV = +2, 75-Ω terminated conditions-meeting stringent NTSC and PAL broadcast specifications. Its low distortion and flat frequency response up to 75 MHz ensure accurate chroma/luma separation and minimal color bleeding.
What is the thermal performance of the LM6171BIMX/NOPB in SOIC-8 package?
The LM6171BIMX/NOPB in SOIC-8 (D package) has RθJA = 122.5°C/W. At 2.5 mA supply current and ±15 V, quiescent power is ~75 mW; with 500 mW max dissipation, it supports continuous operation up to 85°C ambient. Derating begins above 65°C per Figure 5-52.
Can the LM6171BIMX/NOPB drive 75-Ω video lines directly?
Yes-the LM6171BIMX/NOPB sources/sinks ±116 mA (typ.) into 100 Ω, enabling direct 75-Ω termination. With 13.3 V output swing into 1 kΩ at ±15 V, it maintains >0.5 VPP headroom into 75 Ω, supporting broadcast-level signal integrity without external line drivers or transformers.
LM6171BIMX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- VIP™ III
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 3600V/µs
- Gain Bandwidth Product:
- 100 MHz
- -3db Bandwidth:
- 160 MHz
- Current - Input Bias:
- 1 µA
- Voltage - Input Offset:
- 1.5 mV
- Current - Supply:
- 2.5mA
- Current - Output / Channel:
- 116 mA
- Voltage - Supply Span (Min):
- 5.5 V
- Voltage - Supply Span (Max):
- 34 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LM6171BIMX/NOPB FAQ
1.How can I place an order for LM6171BIMX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM6171BIMX/NOPB 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 LM6171BIMX/NOPB reliable?
The price and inventory of LM6171BIMX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM6171BIMX/NOPB is usually 5 days.
3.What payment methods are accepted for LM6171BIMX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM6171BIMX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM6171BIMX/NOPB?
LM6171BIMX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM6171BIMX/NOPB 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 LM6171BIMX/NOPB?
For technical support, including LM6171BIMX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM6171BIMX/NOPB requirements.
6.How does Aetrix verify that LM6171BIMX/NOPB is sourced from the original manufacturer or authorized distributors?
All LM6171BIMX/NOPB 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 LM6171BIMX/NOPB meets industry standards.
7.What is the process for return or replacement of LM6171BIMX/NOPB?
All LM6171BIMX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM6171BIMX/NOPB, 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 LM6171BIMX/NOPB part is unused and in its original packaging.
Return procedure for LM6171BIMX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM6171BIMX/NOPB Tags
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