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Texas Instruments LM6171BIM/NOPB
- Part No.:
- LM6171BIM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM6171BIM/NOPB.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:697
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Product details
Overview
LM6171BIM/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 (±15 V), 110 dB CMRR, 2.5 mA supply current, and operates from ±5 V to ±15 V supplies - enabling high-fidelity NTSC/PAL line driving and ADC/DAC buffering.
For engineers reviewing the LM6171BIM/NOPB datasheet, LM6171BIM/NOPB pinout, LM6171BIM/NOPB application, or LM6171BIM/NOPB equivalent, this page provides verified pin functions, real-world video and instrumentation use cases, thermal and stability data under ±5 V/±15 V operation, and validated alternative options for high-speed buffer and driver designs.
Technical Context
The LM6171BIM/NOPB uses a voltage-feedback architecture with internal compensation for unity-gain stability. Its high slew rate and wide bandwidth stem from optimized transconductance and low-output-impedance output stage, supporting fast settling (48 ns, 0.1%) and low distortion (0.03% differential gain) at 3.58 MHz.
It features rail-to-rail input common-mode range (±13.5 V on ±15 V supplies), high open-loop gain (90 dB), and robust PSRR (95 dB) - making it suitable for mixed-signal systems where noise immunity and dynamic range are critical in ADC front-end and HDTV amplifier stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 3600 V/μs (enables clean 1080p video pulse response without slewing distortion) |
| Unity-Gain Bandwidth | 100 MHz (±15 V) - supports >75 MHz baseband video signals with minimal phase lag |
| Supply Current | 2.5 mA (low power enables multi-channel video amplification without thermal overload) |
| CMRR | 110 dB (rejects common-mode noise in noisy industrial or broadcast environments) |
| Input Offset Voltage | 6 mV max (–40°C to +85°C) - ensures DC accuracy in active filter and instrumentation amplifier topologies |
| Output Drive | ±116 mA continuous (RL = 100 Ω, ±15 V) - drives 75-Ω video lines and heavy capacitive loads directly |
| Differential Gain/Phase | 0.03%/0.5° (NTSC @ 3.58 MHz) - meets broadcast-grade color fidelity requirements |
Pinout & Package
LM6171BIM/NOPB is packaged in an 8-pin SOIC (D package), 4.9 mm × 6 mm body size, surface-mount compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 8 | No Connect (N/C) | Internally unconnected; must be left floating or tied to ground for mechanical stability |
| 2 (–IN) | Inverting Input | Differential input node; high-impedance (40 MΩ), low bias current (3 μA max) |
| 3 (+IN) | Non-Inverting Input | Differential input node; same impedance and bias specs as –IN |
| 4 (V–) | Negative Supply | Accepts –5 V to –15 V; supports rail-to-rail input swing down to V– – 0.3 V |
| 6 (OUTPUT) | Amplifier Output | Capable of ±13.3 V swing into 1 kΩ (±15 V); low 14 Ω open-loop output resistance |
| 7 (V+) | Positive Supply | Accepts +5 V to +15 V; enables large-signal headroom up to V+ – 1.7 V |
Key Features
| Feature | Design Value |
|---|---|
| Voltage-feedback topology | Enables intuitive gain-setting with standard resistive networks and predictable stability behavior |
| Unity-gain stable | Operates reliably at AV = +1 without external compensation - simplifies PCB layout for video buffers |
| Low distortion at video frequencies | 0.03% differential gain / 0.5° differential phase ensures broadcast-compliant color reproduction |
| Wide supply range | Specified for both ±5 V (portable systems) and ±15 V (professional video equipment) operation |
| High output current drive | Delivers ±116 mA into 100 Ω - eliminates need for external buffer stages in line-driver applications |
Applications
| NTSC/PAL Line Driver | HDTV Signal Amplifier |
|---|---|
|
Use Scenario: Driving 75-Ω coaxial cable in broadcast studio routing switchers and distribution amplifiers. IC Role / Device Role / Timing Role: High-speed voltage buffer with unity-gain configuration and 75-Ω back-termination support. Use Value: Maintains 0.03% differential gain and 0.5° phase error at 3.58 MHz, preserving color fidelity across long cable runs. |
Use Scenario: Amplifying 1080p/60Hz RGB or YPbPr signals in consumer HDTV receivers and set-top boxes. IC Role / Device Role / Timing Role: Wideband gain stage with 100 MHz bandwidth and 3600 V/μs slew rate for edge-sharp video pulses. Use Value: Enables full HD signal integrity with <48 ns settling time (0.1%), minimizing motion artifacts and ghosting. |
| ADC Front-End Buffer | Active Filter Stage |
|
Use Scenario: Driving SAR or pipeline ADC inputs in medical imaging and test equipment requiring low THD and high SNR. IC Role / Device Role / Timing Role: Low-noise, low-distortion unity-gain follower isolating source impedance from ADC sampling capacitor. Use Value: 12 nV/√Hz input voltage noise and 110 dB CMRR preserve effective resolution in 14–16-bit systems. |
Use Scenario: Implementing 4th-order low-pass or band-pass filters in spectrum analyzers and communications test gear. IC Role / Device Role / Timing Role: High-gain, high-bandwidth op-amp in multiple-feedback (MFB) or state-variable topologies. Use Value: 90 dB open-loop gain and 100 MHz GBW ensure accurate filter shape up to 20 MHz with minimal passband droop. |
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 |
|---|---|---|---|
| LM6172IM/NOPB | Dual-channel version; identical AC specs but higher supply current (5.0 mA per channel) | Better suited for dual-path video (e.g., Y/C separation) or stereo audio; not pin-compatible | Select when dual amplification is required and board space allows SOIC-8 dual footprint |
| THS3091D | Current-feedback architecture; 2100 V/μs slew rate, 200 MHz bandwidth, higher supply current (6.5 mA) | Superior for very high-frequency (>100 MHz) applications but requires careful feedback network design | Prefer for RF IF amplification or ultra-fast pulse shaping where CFA stability margins are acceptable |
Compared with LM6172IM/NOPB and THS3091D, the LM6171BIM/NOPB offers optimal balance of speed, power efficiency, and ease of use in single-channel video and precision analog systems - especially where unity-gain stability and low distortion at broadcast frequencies are mandatory.
Availability
LM6171BIM/NOPB is available at Aetrix Electronics and suitable for NTSC/PAL line drivers, HDTV signal amplifiers, and ADC front-end buffers requiring stable component supply across industrial, broadcast, and medical electronics programs.
Supply support for LM6171BIM/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 and embedded processing technologies, with decades of expertise in high-performance op-amps and signal chain solutions.
The LM6171BIM/NOPB belongs to TI's high-speed precision op-amp product line, designed specifically for demanding video, instrumentation, and data acquisition applications where speed, linearity, and DC accuracy must coexist.
FAQ
What supply voltages does the LM6171BIM/NOPB support?
The LM6171BIM/NOPB is fully specified for operation from ±5 V to ±15 V dual supplies. 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. The device maintains functionality across the full ±5.5 V to ±17 V absolute maximum range, with thermal derating above 85°C ambient.
Is the LM6171BIM/NOPB unity-gain stable?
Yes, the LM6171BIM/NOPB is internally compensated for unity-gain stability. It remains stable with closed-loop gains of +1, –1, and higher without external compensation components - a key advantage over many decompensated high-speed op-amps that require minimum gain ≥ +2 or +5.
What is the differential gain and phase performance of the LM6171BIM/NOPB for video applications?
The LM6171BIM/NOPB achieves 0.03% differential gain and 0.5° differential phase error at 3.58 MHz under AV = +2, 75-Ω terminated conditions - meeting or exceeding NTSC and PAL broadcast standards. This performance is guaranteed across temperature (–40°C to +85°C) and supply voltage (±5 V to ±15 V).
Can the LM6171BIM/NOPB drive 75-Ω video cables directly?
Yes, the LM6171BIM/NOPB can drive 75-Ω video loads directly. With ±116 mA continuous output current (±15 V, RL = 100 Ω) and ±13.3 V output swing (1 kΩ), it comfortably sources/sinks the 140 mA peak required for 1 VPP into 75 Ω. Layout best practices include local 0.1 μF bypassing and controlled-impedance trace routing.
How does the LM6171BIM/NOPB compare to the LM6171AIM/NOPB variant?
The LM6171BIM/NOPB has looser initial offset voltage (6 mV max vs 3 mV for 'A') and lower phase margin (40° vs 58°), resulting in longer 0.1% settling time (48 ns vs 21 ns). However, both share identical slew rate (3600 V/μs), bandwidth (100 MHz), and distortion specs. The 'B' grade is cost-optimized for applications where ultimate DC precision is secondary to speed and linearity.
LM6171BIM/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- VIP™ III
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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
LM6171BIM/NOPB FAQ
1.How can I place an order for LM6171BIM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM6171BIM/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 LM6171BIM/NOPB reliable?
The price and inventory of LM6171BIM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM6171BIM/NOPB is usually 5 days.
3.What payment methods are accepted for LM6171BIM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM6171BIM/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM6171BIM/NOPB?
LM6171BIM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM6171BIM/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 LM6171BIM/NOPB?
For technical support, including LM6171BIM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM6171BIM/NOPB requirements.
6.How does Aetrix verify that LM6171BIM/NOPB is sourced from the original manufacturer or authorized distributors?
All LM6171BIM/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 LM6171BIM/NOPB meets industry standards.
7.What is the process for return or replacement of LM6171BIM/NOPB?
All LM6171BIM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM6171BIM/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 LM6171BIM/NOPB part is unused and in its original packaging.
Return procedure for LM6171BIM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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