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Texas Instruments LMP7716MM/NOPB
- Part No.:
- LMP7716MM/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LMP7716MM/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,057
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Product details
Overview
LMP7716MM/NOPB from Texas Instruments is a dual-channel, rail-to-rail output, precision CMOS operational amplifier optimized for low-noise, low-offset sensor interface and transimpedance applications. It delivers ±150 μV max input offset voltage, 100 fA typical input bias current, 5.8 nV/√Hz input voltage noise at 1 kHz, 17 MHz gain bandwidth product, and operates from 1.8 V to 5.5 V supply - enabling high-fidelity signal conditioning in portable, single-supply instrumentation.
For engineers reviewing the LMP7716MM/NOPB datasheet, LMP7716MM/NOPB pinout, LMP7716MM/NOPB application, or LMP7716MM/NOPB equivalent, key selection criteria include its dual-channel VSSOP-8 layout, AEC-Q100 Grade 1 qualification (LMP7716Q variant), rail-to-rail output swing within 25 mV of rails, and verified stability with ≤120 pF capacitive loads - critical for photodiode amplifiers and battery-powered measurement systems.
Technical Context
The LMP7716MM/NOPB employs TI's VIP50 CMOS process to achieve ultra-low input bias current (100 fA) and low input voltage noise (5.8 nV/√Hz), making it suitable for high-impedance sensor front-ends where leakage and noise dominate error budgets. Its rail-to-rail output stage supports full dynamic range in 1.8 V–5.5 V systems, while the 17 MHz GBW enables accurate closed-loop gain up to ~1 MHz at unity-gain-stable configurations.
Designed for precision DC and wideband AC performance, the device features 85 dB minimum PSRR and CMRR over 0 V–4 V common-mode range, −40°C to +125°C operation, and robust capacitive load drive capability (up to 120 pF without isolation). Input common-mode voltage extends 300 mV below V−, supporting true single-supply operation with ground-referenced inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 17 MHz - enables stable unity-gain operation and accurate amplification up to ~1 MHz closed-loop bandwidth |
| Input Offset Voltage (max) | ±150 μV - ensures <0.03% gain error in 5 V full-scale 16-bit ADC interfaces |
| Input Bias Current (typ) | 100 fA - minimizes voltage error across >100 MΩ sensor impedances (e.g., pH electrodes, piezoresistive sensors) |
| Input Voltage Noise Density | 5.8 nV/√Hz @ 1 kHz - preserves SNR in low-level analog signal chains (e.g., thermopile, strain gauge outputs) |
| Rail-to-Rail Output Swing | Within 25 mV of either rail @ RL = 2 kΩ - maximizes usable dynamic range in 1.8 V–5.5 V supplies |
| Supply Voltage Range | 1.8 V to 5.5 V - supports direct integration into Li-ion, coin-cell, and USB-powered systems |
| Operating Temperature | −40°C to +125°C - qualified for industrial and automotive under-hood environments |
Pinout & Package
Package: 8-pin VSSOP (2.3 mm × 2.0 mm, 0.5 mm pitch), moisture sensitivity level 1, RoHS-compliant, lead-free (NOPB suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Drives external load; rail-to-rail swing supports full supply utilization |
| 2 (−IN A) | Inverting input A | High-impedance CMOS node; sensitive to PCB leakage and stray capacitance |
| 3 (+IN A) | Non-inverting input A | Accepts common-mode voltages down to V− − 0.3 V for true single-supply use |
| 4 (V−) | Negative supply rail | Reference for both channels; must be low-impedance for PSRR integrity |
| 5 (+IN B) | Non-inverting input B | Independent high-Z input; matched to Pin 3 for differential pair configurations |
| 6 (−IN B) | Inverting input B | Electrically isolated from Channel A; enables dual independent gain stages |
| 7 (OUT B) | Amplifier B output | Identical performance to Pin 1; crosstalk rejection >120 dB @ 100 kHz |
| 8 (V+) | Positive supply rail | Accepts 1.8–5.5 V; internal regulation ensures consistent biasing across voltage range |
Key Features
| Feature | Design Value |
|---|---|
| Dual-channel precision architecture | Enables compact dual-sensor conditioning or fully differential front-end without inter-channel coupling |
| 100 fA input bias current (typ) | Reduces offset drift in high-resistance transducer interfaces (e.g., >1 GΩ photodiodes) |
| 5.8 nV/√Hz input voltage noise | Maintains >90 dB SNR for 100 μV–1 mV sensor outputs at 1 kHz bandwidth |
| Stable with ≤120 pF capacitive load | Eliminates need for external isolation resistors in photodiode TIA designs |
| −40°C to +125°C operation | Validated performance across full automotive and industrial temperature ranges |
| VSSOP-8 footprint | Provides 40% board area reduction vs. SOIC-8 while maintaining hand-solderability |
Applications
| Photodiode Transimpedance Amplifier | Medical Sensor Front-End |
|---|---|
Use Scenario: Converting weak photocurrent (pA–nA) from medical pulse oximetry photodiodes into stable voltage signals. IC Role / Device Role / Timing Role: Dual-channel LMP7716MM/NOPB serves as primary transimpedance amplifier (Channel A) and reference buffer (Channel B) in ratiometric LED driver feedback loop. Use Value: 100 fA bias current prevents dark-current-induced baseline shift; 5.8 nV/√Hz noise preserves SpO₂ saturation accuracy at low perfusion. |
Use Scenario: Amplifying microvolt-level EEG or ECG electrode signals in portable diagnostic devices. IC Role / Device Role / Timing Role: Precision dual op-amp configures as high-CMRR instrumentation amplifier (INA) with matched gain-setting resistors. Use Value: ±150 μV max VOS ensures <1 LSB error in 24-bit medical ADCs; rail-to-rail output drives ADC reference buffers directly from 3.3 V supply. |
| Industrial Pressure Transmitter | Automotive Battery Monitor |
Use Scenario: Conditioning bridge output from MEMS pressure sensors in HVAC and process control systems. IC Role / Device Role / Timing Role: Dual amplifier implements 3-op-amp INA topology with integrated gain and offset trimming. Use Value: 85 dB min PSRR rejects 50/60 Hz supply ripple; 17 MHz GBW supports fast step-response to transient pressure events. |
Use Scenario: Measuring cell voltage and temperature in 12 V automotive battery management modules. IC Role / Device Role / Timing Role: One channel buffers thermistor voltage; second channel conditions shunt-based current sense signal. Use Value: −40°C to +125°C rating ensures operation in engine bay; 1.8 V min supply allows direct connection to low-voltage MCU I/O rails. |
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 |
|---|---|---|---|
| OPA2189IDR | Zero-drift architecture; 0.005 μV/°C max drift vs. LMP7716MM/NOPB's ±1.75 μV/°C drift | Better long-term DC stability in unattended monitoring; higher quiescent current (1.3 mA/ch vs. 1.30 mA) | Select when ultra-low drift dominates over cost and noise floor |
| ADA4625-2ARMZ | Lower input voltage noise (2.9 nV/√Hz); higher supply current (3.4 mA/ch); 50 MHz GBW | Superior for wideband sensor excitation (e.g., eddy current probes); less optimal for low-power portable use | Select when bandwidth and noise outweigh power and temperature range constraints |
Compared with OPA2189IDR and ADA4625-2ARMZ, the LMP7716MM/NOPB offers the best balance of ultra-low bias current (100 fA), industry-leading 5.8 nV/√Hz noise at 1 kHz, −40°C to +125°C operation, and VSSOP-8 footprint - making it uniquely suited for battery-powered, high-impedance sensor interfaces where leakage and thermal drift are dominant error sources.
Availability
LMP7716MM/NOPB is available at Aetrix Electronics and suitable for photodiode transimpedance amplifiers, medical biosignal front-ends, and industrial pressure transmitter designs requiring stable component supply, extended temperature operation, and low-noise precision performance.
Supply support for LMP7716MM/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 and embedded processing solutions, with over 90 years of innovation in precision signal chain components.
The LMP7716MM/NOPB belongs to TI's LMP™ precision amplifier family, engineered specifically for high-accuracy, low-power instrumentation applications demanding ultra-low input bias current, low noise, and rail-to-rail output swing in compact packages.
FAQ
What is the maximum capacitive load the LMP7716MM/NOPB can drive without oscillation?
The LMP7716MM/NOPB is unity-gain stable and can directly drive capacitive loads up to 120 pF without requiring an isolation resistor. This capability is validated per TI's SNOSAV0E datasheet Figure 32 (Phase Margin vs. Capacitive Load) and enables simplified photodiode transimpedance amplifier layouts. For loads exceeding 120 pF, a series isolation resistor (RISO) between the output and capacitor is recommended to maintain ≥45° phase margin.
Does the LMP7716MM/NOPB support true single-supply operation with inputs referenced to ground?
Yes. The LMP7716MM/NOPB features an input common-mode voltage range extending to V− − 0.3 V, allowing its inputs to operate 300 mV below the negative rail. With V− = 0 V (ground), this means inputs can be at −0.3 V - enabling direct connection of ground-referenced sensors (e.g., thermocouples, resistive bridges) without level-shifting circuitry. This is confirmed in the "Common Mode Voltage Range" specification (−0.3 V to 4 V at VS = 5 V) on page 3 of the datasheet.
How does the input bias current of the LMP7716MM/NOPB compare to bipolar-input op-amps in sensor applications?
The LMP7716MM/NOPB specifies 100 fA typical input bias current - over 1 million times lower than typical bipolar-input op-amps (e.g., LM358: ~45 nA). This ultra-low bias current prevents significant voltage errors across high-impedance sources such as pH electrodes (>1 GΩ), photodiodes in photovoltaic mode, or ceramic humidity sensors. At 25°C and VCM = 2.0 V, IB remains ≤1 pA across the full −40°C to +125°C range, ensuring stable DC accuracy.
Is the LMP7716MM/NOPB pin-compatible with other dual op-amps in VSSOP-8 packages?
No. The LMP7716MM/NOPB uses a non-standard pinout: OUT A, −IN A, +IN A, V−, +IN B, −IN B, OUT B, V+. This differs from industry-standard dual op-amp pinouts (e.g., OPA2316, MCP6022), which place V+ at Pin 8 and V− at Pin 4 but assign inputs differently. PCB layout must follow TI's Figure 4 (8-Pin VSSOP top view) exactly; no drop-in replacement is possible without redesign.
What is the guaranteed input offset voltage specification for the LMP7716MM/NOPB over temperature?
The LMP7716MM/NOPB guarantees ±400 μV maximum input offset voltage across the full −40°C to +125°C operating temperature range (5V electrical characteristics table, page 4). At 25°C and VS = 5 V, the limit is tighter: ±300 μV. This is measured under specified test conditions (VO = 0.3–4.7 V, RL = 2 kΩ), and the temperature coefficient is characterized at −1.75 μV/°C typical - critical for applications requiring minimal drift over thermal cycling.
LMP7716MM/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
LMP7716MM/NOPB FAQ
1.How can I place an order for LMP7716MM/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMP7716MM/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 LMP7716MM/NOPB reliable?
The price and inventory of LMP7716MM/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMP7716MM/NOPB is usually 5 days.
3.What payment methods are accepted for LMP7716MM/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMP7716MM/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMP7716MM/NOPB?
LMP7716MM/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMP7716MM/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 LMP7716MM/NOPB?
For technical support, including LMP7716MM/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMP7716MM/NOPB requirements.
6.How does Aetrix verify that LMP7716MM/NOPB is sourced from the original manufacturer or authorized distributors?
All LMP7716MM/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 LMP7716MM/NOPB meets industry standards.
7.What is the process for return or replacement of LMP7716MM/NOPB?
All LMP7716MM/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMP7716MM/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 LMP7716MM/NOPB part is unused and in its original packaging.
Return procedure for LMP7716MM/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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