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Texas Instruments LMP7716MMX/NOPB
- Part No.:
- LMP7716MMX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMP7716MMX/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,573
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Product details
Overview
LMP7716MMX/NOPB from Texas Instruments is a dual-channel, rail-to-rail output, precision CMOS operational amplifier optimized for low-noise, low-offset sensor signal conditioning in portable and space-constrained systems. It delivers 17 MHz gain bandwidth, ±150 μV max input offset voltage, 5.8 nV/√Hz input voltage noise at 1 kHz, 100 fA typical input bias current, and operates from 1.8 V to 5.5 V supply - enabling high-fidelity amplification in battery-powered medical sensors and precision data acquisition.
For engineers reviewing the LMP7716MMX/NOPB datasheet, LMP7716MMX/NOPB pinout, LMP7716MMX/NOPB application, or LMP7716MMX/NOPB equivalent, key selection criteria include its dual-channel VSSOP-8 layout, guaranteed −40°C to +125°C operation, rail-to-rail output swing within 25 mV of rails, and verified performance in transimpedance and active filter topologies requiring <0.001% THD+N at 1 kHz.
Technical Context
The LMP7716MMX/NOPB employs a proprietary CMOS input stage on TI's VIP50 process, achieving ultra-low input bias current (100 fA) and low input voltage noise (5.8 nV/√Hz), while maintaining 17 MHz GBW and 9.5 V/μs slew rate. Its dual-channel architecture shares no internal crosstalk path beyond substrate coupling, with measured crosstalk rejection >120 dB at 100 kHz.
It features rail-to-rail output swing (25 mV from rails at 2 kΩ load), extended common-mode input range (−0.3 V to VS − 0.3 V), and stable unity-gain operation into capacitive loads up to 120 pF - eliminating need for external isolation resistors in most sensor interface layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 17 MHz - supports stable closed-loop gain ≥10 at 1.7 MHz, suitable for anti-aliasing filters and wideband sensor amplification. |
| Input Offset Voltage (max) | ±150 μV at 25°C, ±400 μV over −40°C to +125°C - enables DC-coupled strain gauge and thermopile interfaces without nulling circuitry. |
| Input Voltage Noise Density | 5.8 nV/√Hz at 1 kHz - preserves SNR in photodiode transimpedance stages with feedback resistors ≤10 MΩ. |
| Input Bias Current (typ) | 100 fA - minimizes voltage error across high-impedance pH electrodes and piezoelectric sensors (>1 GΩ source impedance). |
| Supply Voltage Range | 1.8 V to 5.5 V - compatible with single-cell Li-ion (3.0–3.7 V), coin-cell (3 V), and 3.3 V/5 V system rails without level-shifting. |
| Output Swing (from rail) | 25 mV at 2 kΩ load - maximizes dynamic range in 3.3 V ADC front-ends, delivering >3.25 Vpp full-scale output. |
| THD+N @ 1 kHz | 0.001% at 4 Vpp, RL = 100 kΩ - meets audio-grade line driver and high-resolution DAC buffer requirements. |
Pinout & Package
Package: 8-pin VSSOP (2.3 mm × 2.0 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 1 (MSL-1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Channel A output | Capable of sourcing 46 mA / sinking 23 mA - drives 600 Ω loads directly without external buffers. |
| 2 (−IN A) | Channel A inverting input | High-impedance CMOS node; input capacitance 5.2 pF - requires careful PCB layout to avoid instability with >10 kΩ feedback networks. |
| 3 (+IN A) | Channel A non-inverting input | Common-mode range extends 300 mV below V− - enables true single-supply operation with ground-referenced sensors. |
| 4 (V−) | Negative supply rail | Must be connected to system ground or negative rail; not internally tied - supports dual-supply (±2.5 V) or single-supply (0 V/5 V) configurations. |
| 5 (+IN B) | Channel B non-inverting input | Electrically isolated from Channel A inputs - validated for independent differential sensing paths (e.g., dual-axis accelerometers). |
| 6 (−IN B) | Channel B inverting input | Matched to Pin 2 within 0.5 pF capacitance and 2 μV offset - ensures consistent AC coupling behavior across both channels. |
| 7 (OUT B) | Channel B output | Independent output stage; crosstalk to OUT A is −124 dB at 100 kHz - suitable for simultaneous analog signal paths. |
| 8 (V+) | Positive supply rail | Accepts 1.8–5.5 V; PSRR >85 dB from 10 Hz–100 kHz - rejects ripple from switching regulators in mixed-signal PCBs. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Swings within 25 mV of V+ and V− at 2 kΩ load - preserves >98% of supply voltage headroom for 12-bit+ ADC interfacing. |
| Ultra-low input bias current | 100 fA typical - reduces leakage-induced offset in pH probe amplifiers and high-Z electrophysiology front-ends. |
| Low input voltage noise | 5.8 nV/√Hz at 1 kHz - enables detection of sub-μV signals from microphones and MEMS accelerometers without pre-amplification. |
| Stable into 120 pF capacitive load | No external isolation resistor required for LCD bias, DAC output buffering, or cable-driven outputs up to 1 m length. |
| −40°C to +125°C operation | Specified performance across full automotive temperature range - qualified for under-hood and industrial control applications. |
Applications
| Medical Sensor Interface | Photodiode Transimpedance |
|---|---|
Use Scenario: Amplifying low-level DC-coupled output from a thermistor-based patient temperature probe in a portable monitor. IC Role / Device Role / Timing Role: Precision DC amplifier with offset drift compensation and rail-to-rail output driving 12-bit SAR ADC reference buffer. Use Value: ±150 μV max offset and ±4 μV/°C drift ensure <0.1°C measurement accuracy over full operating temperature range without calibration. |
Use Scenario: Converting nanoampere photocurrent from a fiber-optic receiver diode into measurable voltage for digital signal processing. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier with 5.8 nV/√Hz noise floor and 17 MHz GBW supporting 10 Mbps optical data rates. Use Value: 100 fA input bias current prevents signal loss across 10 MΩ feedback resistor; 120 pF capacitive load stability eliminates need for isolating RISO. |
| Active Filter for Data Acquisition | Portable Instrumentation Buffer |
Use Scenario: 2nd-order Sallen-Key anti-aliasing filter preceding a 1 MSPS ADC in handheld test equipment. IC Role / Device Role / Timing Role: Dual op-amp implementing unity-gain buffer and filter stage with matched channel characteristics. Use Value: 17 MHz GBW ensures <0.1 dB passband flatness to 100 kHz; matched input capacitance (5.2 pF) maintains filter pole accuracy across channels. |
Use Scenario: Output buffer for a 3.3 V, 16-bit DAC in a battery-powered environmental logger. IC Role / Device Role / Timing Role: Rail-to-rail output driver delivering full-scale 0–3.3 V swing into 2 kΩ load with <0.001% THD+N. Use Value: 25 mV output swing margin enables 3.25 Vpp full-scale output; 1.30 mA per channel supply current extends battery life >200 hours on CR2032. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.1 μV/°C offset drift vs. LMP7716MMX/NOPB's ±4 μV/°C; higher 350 μA/channel supply current. | Better for DC-critical applications like weigh scales; less optimal for wideband sensor signals due to 350 kHz GBW. | Select OPA2333AIDR when long-term DC stability outweighs bandwidth needs; avoid where >1 MHz signal fidelity is required. |
| ADA4625-2ARMZ | Higher 18 MHz GBW and lower 2.9 nV/√Hz noise, but 1.8 mA/channel supply current and −40°C to +105°C rating only. | Superior for high-speed photodiode amps; unsuitable for automotive under-hood use due to 125°C limit gap. | Choose ADA4625-2ARMZ for lab-grade optical receivers; prefer LMP7716MMX/NOPB for production automotive or industrial deployments requiring full 125°C spec. |
Compared with OPA2333AIDR and ADA4625-2ARMZ, the LMP7716MMX/NOPB uniquely balances 17 MHz bandwidth, 5.8 nV/√Hz noise, 100 fA bias current, and AEC-Q100-compatible −40°C to +125°C operation in an 8-pin VSSOP - making it the only dual op-amp meeting all four criteria simultaneously for cost-sensitive automotive and portable instrumentation designs.
Availability
LMP7716MMX/NOPB is available at Aetrix Electronics and suitable for medical sensor interfaces, photodiode transimpedance circuits, and portable instrumentation requiring stable component supply with full traceability and lifecycle management.
Supply support for LMP7716MMX/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 over 50 years of innovation in precision amplifiers and signal chain solutions.
The LMP7716MMX/NOPB belongs to TI's LMP™ precision amplifier family, engineered specifically for low-noise, low-offset signal conditioning in battery-powered and space-constrained applications - including medical devices, industrial sensors, and portable test equipment.
FAQ
What is the maximum capacitive load the LMP7716MMX/NOPB can drive without external compensation?
The LMP7716MMX/NOPB is characterized to remain stable into capacitive loads up to 120 pF in unity-gain follower configuration, per TI's SNOSAV0E datasheet Figure 32. This eliminates the need for series isolation resistors in many DAC output buffering and LCD bias applications. For loads exceeding 120 pF, a small feedback capacitor (e.g., 2–5 pF) or isolation resistor (10–50 Ω) is recommended to maintain phase margin above 45°.
Does the LMP7716MMX/NOPB support true single-supply operation with input signals referenced to ground?
Yes. The LMP7716MMX/NOPB features an input common-mode voltage range extending to −0.3 V below V−, allowing direct connection of ground-referenced sensors (e.g., thermocouples, RTDs) when V− = 0 V. Its rail-to-rail output swings within 25 mV of both rails, delivering full dynamic range in 3.3 V or 5 V single-supply systems without level-shifting circuitry.
How does the input bias current of the LMP7716MMX/NOPB affect high-impedance sensor measurements?
With a typical input bias current of 100 fA (max 100 pA over temperature), the LMP7716MMX/NOPB introduces <1 μV error across a 10 MΩ source impedance - critical for accurate pH electrode, piezoelectric, and electret microphone interfaces. This performance is enabled by TI's VIP50 CMOS process and exceeds standard JFET op-amps by two orders of magnitude.
Is the LMP7716MMX/NOPB suitable for automotive applications requiring AEC-Q100 qualification?
The LMP7716MMX/NOPB itself is not AEC-Q100 qualified; however, its automotive-grade variant LMP7716Q is AEC-Q100 Grade 1 qualified (−40°C to +125°C) and manufactured on an automotive flow. Designers targeting automotive applications should specify LMP7716Q for production; LMP7716MMX/NOPB is intended for commercial and industrial use where full AEC-Q100 compliance is not mandated.
What is the thermal resistance (θJA) of the LMP7716MMX/NOPB in its VSSOP-8 package?
The LMP7716MMX/NOPB in 8-pin VSSOP has a junction-to-ambient thermal resistance (θJA) of 236°C/W when mounted on a standard 2-layer PCB with JEDEC-standard copper pads, per the "Package Thermal Resistance" table in SNOSAV0E. This value assumes no additional copper pour or thermal vias; adding 1-in² copper area beneath the package reduces θJA to ~120°C/W in typical layouts.
LMP7716MMX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMP®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 11.5V/µs
- Gain Bandwidth Product:
- 17 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 10 µV
- Current - Supply:
- 1.3mA (x2 Channels)
- Current - Output / Channel:
- 66 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-VSSOP
LMP7716MMX/NOPB FAQ
1.How can I place an order for LMP7716MMX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMP7716MMX/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 LMP7716MMX/NOPB reliable?
The price and inventory of LMP7716MMX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMP7716MMX/NOPB is usually 5 days.
3.What payment methods are accepted for LMP7716MMX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMP7716MMX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMP7716MMX/NOPB?
LMP7716MMX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMP7716MMX/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 LMP7716MMX/NOPB?
For technical support, including LMP7716MMX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMP7716MMX/NOPB requirements.
6.How does Aetrix verify that LMP7716MMX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMP7716MMX/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 LMP7716MMX/NOPB meets industry standards.
7.What is the process for return or replacement of LMP7716MMX/NOPB?
All LMP7716MMX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMP7716MMX/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 LMP7716MMX/NOPB part is unused and in its original packaging.
Return procedure for LMP7716MMX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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