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Texas Instruments LMP7717MA/NOPB
- Part No.:
- LMP7717MA/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMP7717MA/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,985
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Product details
Overview
LMP7717MA/NOPB from Texas Instruments is a decompensated, precision CMOS-input operational amplifier optimized for high-speed, low-noise signal conditioning in 1.8V–5.5V systems. It delivers 88 MHz gain bandwidth at ±10 gain, 5.8 nV/√Hz input voltage noise, ±150 µV max input offset voltage, and rail-to-rail output swing within 25 mV of either rail (10 kΩ load), enabling high-fidelity photodiode amplification and ADC interface circuits.
For engineers reviewing the LMP7717MA/NOPB datasheet, LMP7717MA/NOPB pinout, LMP7717MA/NOPB application, or LMP7717MA/NOPB equivalent, key selection considerations include its minimum stable gain of +10, 100 fA input bias current, −40°C to +125°C operation, SOT-23-5 package footprint, and requirement for external lead-lag compensation when used below unity-gain-stable configurations.
Technical Context
The LMP7717MA/NOPB employs a decompensated two-pole architecture with dominant pole at 1.6 kHz and second pole at 45 MHz, enabling 88 MHz GBW while maintaining 1.15 mA quiescent current. Its CMOS input stage ensures femtoampere-level bias current and ground-sensing capability down to V−.
Stability requires closed-loop gain ≥+10 (18–20 dB) without external compensation; lead-lag RC networks enable stable operation at lower gains. The device uses TI's VIP50 process and features rail-to-rail output with >40 mA sourcing capability at 1.8V, but is not recommended for open-loop comparator use due to output-stage design.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 88 MHz - enables high-speed closed-loop amplification up to ~8.8 MHz at gain +10 |
| Input Voltage Noise Density | 5.8 nV/√Hz @ 1 kHz - preserves SNR in low-level sensor and photodiode front-ends |
| Input Bias Current | 100 fA max - minimizes error in high-impedance transimpedance and pH sensor circuits |
| Supply Voltage Range | 1.8V to 5.5V - supports single-cell Li-ion, coin-cell, and standard 3.3V/5V rails |
| Output Swing (10 kΩ) | 25 mV from rail - maximizes dynamic range in low-voltage data acquisition systems |
| Input Offset Voltage | ±150 µV max - reduces DC error in precision instrumentation and medical signal chains |
| Slew Rate | 35 V/µs (rising) - supports fast settling for high-frequency pulse and transient signals |
| Operating Temperature | −40°C to +125°C - qualified for automotive under-hood and industrial control environments |
Pinout & Package
The LMP7717MA/NOPB is housed in a 5-pin SOT-23 package (DCU suffix per TI packaging nomenclature), with exposed pad for thermal enhancement and compact PCB layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - Output | Amplifier output node | Delivers rail-to-rail voltage swing; drives 10 kΩ load within 25 mV of supply rails |
| 2 - Inverting Input (−) | Inverting input terminal | Accepts differential input signal; high-impedance CMOS node with 100 fA bias current |
| 3 - Non-Inverting Input (+) | Non-inverting input terminal | Supports ground-referenced sensing; common-mode range extends to V− (0 V) |
| 4 - Ground / Negative Supply | Power return and reference | Single-supply operation enabled; ties to system GND or negative rail |
| 5 - Positive Supply | Positive power supply input | Accepts 1.8V–5.5V; quiescent current remains stable across full voltage range |
Key Features
| Feature | Design Value |
|---|---|
| Decompensated architecture | Enables 88 MHz GBW at only 1.15 mA supply current-5× bandwidth vs. comparable unity-gain-stable op amps like LMP7715 |
| CMOS input stage | 100 fA max input bias current allows direct interfacing with high-Z sources (e.g., photodiodes, piezoelectric sensors) without guard rings |
| Rail-to-rail output | 25 mV from rail into 10 kΩ ensures >99% usable dynamic range at 1.8V supply-critical for battery-powered precision systems |
| Ground-sensing input | Input common-mode range includes V−, enabling true single-supply operation with 0 V referenced inputs (e.g., bridge sensors, thermocouples) |
| VIP50 process technology | Provides robust ESD tolerance (2000 V HBM), low 1/f noise, and guaranteed performance across −40°C to +125°C junction temperature |
Applications
| Photodiode Amplifier | ADC Driver |
|---|---|
Use Scenario: Amplifying weak current from reverse-biased photodiodes in optical smoke detectors or spectrophotometers. IC Role / Device Role / Timing Role: Transimpedance amplifier with low input bias current and low voltage noise to preserve signal integrity. Use Value: 100 fA input bias current prevents diode leakage-induced offset; 5.8 nV/√Hz noise maintains >80 dB SNR at 100 kHz bandwidth. | Use Scenario: Driving SAR or sigma-delta ADC inputs in portable medical monitors requiring low THD+N and fast settling. IC Role / Device Role / Timing Role: Precision buffer and level shifter between analog front-end and ADC reference domain. Use Value: 0.01% THD+N @ 1 kHz and 35 V/µs slew rate ensure <1 LSB error during 1 MSPS sampling with 16-bit resolution. |
| Active Filter Stage | Low-Voltage Sensor Interface |
Use Scenario: 2nd-order Sallen-Key anti-aliasing filter in battery-powered IoT node with 2.5V supply. IC Role / Device Role / Timing Role: High-Q, low-drift gain stage with stable phase margin above cutoff frequency. Use Value: Guaranteed stability at gain +10 eliminates need for over-compensation; 88 MHz GBW supports filter tuning up to 5 MHz. | Use Scenario: Signal conditioning for MEMS accelerometers or RTD bridges operating from 1.8V coin-cell supply. IC Role / Device Role / Timing Role: Low-power, rail-to-rail instrumentation amplifier front-end stage. Use Value: 1.8V operation with 25 mV output headroom maximizes usable ADC range; −40°C to +125°C rating covers extended environmental use. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision, high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMP7715MA/NOPB | Unity-gain stable; 17 MHz GBW; 1.35 mA supply current; higher input offset (±250 µV max) | Preferred where simplicity and unconditional stability at G = +1 are required, despite lower bandwidth | Select LMP7715MA/NOPB if external compensation is undesirable and bandwidth ≤1.7 MHz suffices |
| OPA320AIDBVR | Unity-gain stable; 20 MHz GBW; 1.7 mA supply current; 0.2 µV/°C TCVOS; 7 nV/√Hz noise | Better drift performance and lower noise floor, but lower bandwidth limits high-frequency filtering | Choose OPA320AIDBVR for ultra-low drift (<1 µV total drift over −40°C to +125°C) in precision weigh-scale or strain-gauge systems |
Compared with LMP7715MA/NOPB and OPA320AIDBVR, the LMP7717MA/NOPB offers the highest bandwidth-per-milliamp (76.5 MHz/mA), making it optimal for space-constrained, battery-operated systems needing >5 MHz closed-loop bandwidth without increasing power budget.
Availability
LMP7717MA/NOPB is available at Aetrix Electronics and suitable for photodiode amplifiers, ADC drivers, and low-voltage sensor interfaces requiring stable component supply, long-term lifecycle support, and traceable TI production lots.
Supply support for LMP7717MA/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 delivering analog ICs, embedded processors, and connectivity solutions for industrial, automotive, and personal electronics markets.
The LMP7717MA/NOPB belongs to TI's LMP™ precision amplifier family, engineered specifically for low-voltage, low-noise, high-bandwidth signal conditioning in portable instrumentation, medical devices, and sensor fusion systems.
FAQ
What is the minimum stable gain for LMP7717MA/NOPB without external compensation?
The LMP7717MA/NOPB requires a minimum closed-loop gain of +10 (20 dB) for unconditional stability without external compensation. This is due to its decompensated internal architecture, which places the dominant pole at 1.6 kHz and second pole at 45 MHz. Operating below gain +10 risks oscillation unless lead-lag RC compensation is added per TI Application Report SNOSAY7H Section 9.
Does LMP7717MA/NOPB support true single-supply operation with input referenced to ground?
Yes, the LMP7717MA/NOPB supports true single-supply operation with input common-mode voltage extending to V− (0 V). Its CMOS input stage enables ground-sensing capability, allowing direct connection of bridge sensors, thermocouples, or resistive transducers to the non-inverting input without level-shifting circuitry-confirmed in the 2.5V and 5V Electrical Characteristics tables.
What package type is used for LMP7717MA/NOPB, and is thermal performance documented?
The LMP7717MA/NOPB uses the 5-pin SOT-23 (DBV) package with thermal resistance θJA = 180°C/W (JEDEC-standard board). TI's datasheet specifies this value explicitly in the Operating Ratings table and confirms suitability for ambient temperatures up to +125°C with appropriate PCB copper area. No exposed pad variant is offered for this specific part number.
Can LMP7717MA/NOPB drive a 600Ω load while maintaining low THD+N?
Yes-the LMP7717MA/NOPB achieves 0.01% THD+N at 1 kHz driving a 600Ω load with 5V supply, as verified in the 5V Electrical Characteristics table. Its rail-to-rail output delivers >40 mA sourcing current, ensuring linear operation into low-impedance loads without clipping or distortion degradation.
How does input offset voltage drift behave over temperature for LMP7717MA/NOPB?
The LMP7717MA/NOPB exhibits ±4 µV/°C maximum input offset voltage drift (TCVOS) over −40°C to +125°C, per the 5V Electrical Characteristics table. At 25°C, typical drift is ±1.0 µV/°C for the LMP7717 variant. This low drift ensures <1.2 mV total offset shift across full industrial temperature range-critical for dc-coupled sensor interfaces.
LMP7717MA/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMP®, PowerWise®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 35V/µs
- Gain Bandwidth Product:
- 88 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 10 µV
- Current - Supply:
- 1.15mA
- Current - Output / Channel:
- 60 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LMP7717MA/NOPB FAQ
1.How can I place an order for LMP7717MA/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMP7717MA/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 LMP7717MA/NOPB reliable?
The price and inventory of LMP7717MA/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMP7717MA/NOPB is usually 5 days.
3.What payment methods are accepted for LMP7717MA/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMP7717MA/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMP7717MA/NOPB?
LMP7717MA/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMP7717MA/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 LMP7717MA/NOPB?
For technical support, including LMP7717MA/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMP7717MA/NOPB requirements.
6.How does Aetrix verify that LMP7717MA/NOPB is sourced from the original manufacturer or authorized distributors?
All LMP7717MA/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 LMP7717MA/NOPB meets industry standards.
7.What is the process for return or replacement of LMP7717MA/NOPB?
All LMP7717MA/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMP7717MA/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 LMP7717MA/NOPB part is unused and in its original packaging.
Return procedure for LMP7717MA/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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