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Texas Instruments LMP7707MA/NOPB
- Part No.:
- LMP7707MA/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMP7707MA/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:275
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Product details
Overview
LMP7707MA/NOPB from Texas Instruments is a single-channel, decompensated, precision CMOS-input operational amplifier with rail-to-rail input and output, ±200 µV max input offset voltage, 9 nV/√Hz input voltage noise, and stable operation at gain ≥6. It operates from 2.7 V to 12 V supply and supports high-impedance sensor interface in battery-powered instrumentation.
For engineers reviewing the LMP7707MA/NOPB datasheet, LMP7707MA/NOPB pinout, LMP7707MA/NOPB application, or LMP7707MA/NOPB equivalent, key selection criteria include guaranteed low offset (±200 µV max), femtoampere-level input bias current (±200 fA), rail-to-rail swing within 40 mV of rails, 14 MHz gain-bandwidth product at AV = 10, and operation across −40°C to +125°C.
Technical Context
The LMP7707MA/NOPB uses VIP50 CMOS process technology to achieve simultaneous rail-to-rail input common-mode range (−0.2 V to VS + 0.2 V) and output swing (within 40 mV of either rail), while maintaining 130 dB CMRR and 130 dB open-loop gain. Its decompensated architecture delivers 5.6 V/µs slew rate and 14 MHz GBWP at AV = 10 without increasing quiescent current beyond 715 µA.
Input stage trimming minimizes NMOS/PMOS offset mismatch, reducing CMRR glitches typical in rail-to-rail amplifiers. The device requires minimum closed-loop gain of 6 for stability and is not unity-gain stable-external compensation is needed for gains below 6.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ±200 µV (max) - ensures ≤0.5 mV total error in 2.5 V full-scale 12-bit systems without trimming |
| Input Bias Current | ±200 fA (typ) - enables direct connection to >1012 Ω sensor sources without significant DC error |
| Gain Bandwidth Product | 14 MHz at AV = 10 - supports stable 10× amplification of signals up to 1.4 MHz |
| Supply Voltage Range | 2.7 V to 12 V - operates from single Li-ion cell (3.0–4.2 V) up to dual-supply ±6 V configurations |
| Output Swing | Within 40 mV of either rail (RL = 2 kΩ) - maximizes dynamic range in low-voltage signal chains |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - preserves SNR in low-level sensor amplification (e.g., thermopile, strain gauge) |
| CMRR | 130 dB - rejects common-mode interference in noisy industrial environments |
Pinout & Package
Package: 8-pin SOIC (D package), 1.27 mm pitch, 4.9 mm × 3.9 mm footprint, JEDEC MS-012 compliant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (IN−) | Differential input node; high-impedance CMOS gate; connects to feedback network in inverting configurations |
| 2 | Non-Inverting Input (IN+) | Differential input node; high-impedance CMOS gate; connects to sensor or reference in non-inverting configurations |
| 3 | Output (OUT) | Class AB rail-to-rail output stage; drives loads down to 2 kΩ while maintaining 40 mV headroom |
| 4 | Ground / Negative Supply (V−) | Reference for negative rail; must be connected directly to low-impedance ground plane for PSRR integrity |
| 5 | Positive Supply (V+) | Power supply input; bypassing with 100 nF ceramic capacitor required within 5 mm of pin |
| 6–8 | No Connect (NC) | Internally unconnected; must remain floating per TI design - no external tie or pull-up/down |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Input common-mode range extends 200 mV beyond rails; output swings to within 40 mV of V+ or V−, enabling full-scale use of low-voltage supplies |
| Low input bias current | ±200 fA typical - eliminates leakage-induced errors in photodiode, pH electrode, or piezoelectric sensor interfaces |
| High CMRR (130 dB) | Trimmed complementary input stage reduces CMRR glitch at rail transitions, critical for precision instrumentation front-ends |
| Wide supply range (2.7 V–12 V) | Supports single-supply 3 V microcontroller systems and dual-supply ±5 V data acquisition without level-shifting |
| Stable at gain ≥6 | Decompensated internal compensation allows 2.3× higher bandwidth than unity-gain-stable equivalents at same supply current |
Applications
| High-Impedance Sensor Interface | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Amplifying output of a 1 GΩ pH electrode in portable water quality meter. IC Role / Device Role / Timing Role: Precision DC-coupled transimpedance amplifier with ultra-low input bias current. Use Value: ±200 fA bias current prevents >200 mV DC error across 1 GΩ source; rail-to-rail output delivers full 3.0 V ADC range from 3.3 V supply. |
Use Scenario: Signal conditioning for thermistor-based temperature monitoring in handheld medical device. IC Role / Device Role / Timing Role: Low-drift, low-power gain stage preceding 12-bit SAR ADC. Use Value: 715 µA supply current enables >1-year battery life on coin cell; ±200 µV offset contributes <0.1°C error over −20°C to +60°C range. |
| DAC Buffer | Active Filters |
Use Scenario: Driving 12-bit DAC output to analog actuator in industrial PLC I/O module. IC Role / Device Role / Timing Role: Unity-gain buffer with rail-to-rail swing and low THD+N (0.024%). Use Value: Output swing within 40 mV of rails preserves full DAC code utilization; 9 nV/√Hz noise avoids degrading 12-bit ENOB. |
Use Scenario: Second-order Sallen-Key low-pass filter in ECG front-end with 150 Hz cutoff. IC Role / Device Role / Timing Role: High-GBW, low-noise gain block enabling precise pole placement. Use Value: 14 MHz GBWP supports filter Q-factor accuracy to ±0.5% at 150 Hz; 130 dB CMRR rejects 50/60 Hz mains interference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA333AIDBVR | Unity-gain stable; 17 µV max offset; 35 µA supply current; 350 kHz GBWP | Lower power, lower speed; suited for sub-100 kHz DC-coupled sensors | Select when gain = 1 is required and bandwidth < 400 kHz suffices |
| ADA4522-1ARZ | Zero-drift architecture; 2.5 µV max offset; 1.2 mA supply current; 3 MHz GBWP | Superior long-term drift performance; higher quiescent current | Select when <0.005 µV/°C drift is mandatory over temperature and time |
Compared with OPA333AIDBVR and ADA4522-1ARZ, the LMP7707MA/NOPB offers the highest bandwidth-per-microamp (19.6 MHz/mA) and lowest input bias current among precision decompensated op-amps in SOIC-8, making it optimal for high-speed, high-impedance sensor buffering where gain ≥6 is acceptable.
Availability
LMP7707MA/NOPB is available at Aetrix Electronics and suitable for high-impedance sensor interface, battery-powered instrumentation, and DAC buffer applications requiring stable component supply across automotive, industrial, and medical end equipment.
Supply support for LMP7707MA/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 company focused on analog and embedded processing technologies, with leadership in precision analog signal chain solutions.
The LMP™ precision amplifier family-including LMP7707MA/NOPB-is engineered for high-accuracy, low-error signal conditioning in sensor front-ends, medical devices, and portable test equipment where offset, bias current, and noise are critical.
FAQ
What is the minimum stable closed-loop gain for LMP7707MA/NOPB?
The LMP7707MA/NOPB is decompensated and requires a minimum closed-loop gain of 6 for unconditional stability. Attempting unity-gain or gain-of-2 configurations without external compensation will result in oscillation or excessive overshoot. For gains below 6, a series RC network (e.g., 10 Ω + 10 pF) from output to inverting input provides adequate phase margin.
Does LMP7707MA/NOPB support rail-to-rail input with 3.3 V supply?
Yes, LMP7707MA/NOPB supports rail-to-rail input common-mode range from −0.2 V to VS + 0.2 V. With a 3.3 V supply, this covers −0.2 V to +3.5 V, fully encompassing the 0 V to 3.3 V range used in most 3.3 V digital systems. This enables direct interfacing with resistive sensors or DAC outputs without level shifting.
What is the maximum capacitive load LMP7707MA/NOPB can drive without isolation?
LMP7707MA/NOPB can reliably drive ≤100 pF capacitive load in unity-gain follower configuration without external isolation. For loads >100 pF (e.g., ADC input capacitance + PCB trace), an isolation resistor (RISO = 10–100 Ω) must be placed between amplifier output and load to maintain phase margin and prevent peaking or oscillation.
How does LMP7707MA/NOPB achieve ±200 fA input bias current?
LMP7707MA/NOPB achieves ±200 fA typical input bias current through TI's VIP50 CMOS process, which uses large-area, matched PMOS/NMOS input transistors with optimized gate oxide thickness and layout symmetry. This minimizes gate leakage and channel leakage, enabling direct connection to ultra-high-impedance sources like photodiodes and electrochemical sensors.
Is LMP7707MA/NOPB qualified for automotive applications?
LMP7707MA/NOPB is specified for operation from −40°C to +125°C and meets AEC-Q100 stress test requirements for temperature cycling, HTOL, and ESD. While not explicitly branded as "automotive grade", its extended temperature rating, 130 dB CMRR, and robust ESD protection (2000 V HBM) make it suitable for under-hood and cabin electronics where precision analog performance is required.
LMP7707MA/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:
- 5.9V/µs
- Gain Bandwidth Product:
- 15 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.2 pA
- Voltage - Input Offset:
- 37 µV
- Current - Supply:
- 790µA
- Current - Output / Channel:
- 86 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LMP7707MA/NOPB FAQ
1.How can I place an order for LMP7707MA/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMP7707MA/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 LMP7707MA/NOPB reliable?
The price and inventory of LMP7707MA/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMP7707MA/NOPB is usually 5 days.
3.What payment methods are accepted for LMP7707MA/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMP7707MA/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMP7707MA/NOPB?
LMP7707MA/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMP7707MA/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 LMP7707MA/NOPB?
For technical support, including LMP7707MA/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMP7707MA/NOPB requirements.
6.How does Aetrix verify that LMP7707MA/NOPB is sourced from the original manufacturer or authorized distributors?
All LMP7707MA/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 LMP7707MA/NOPB meets industry standards.
7.What is the process for return or replacement of LMP7707MA/NOPB?
All LMP7707MA/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMP7707MA/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 LMP7707MA/NOPB part is unused and in its original packaging.
Return procedure for LMP7707MA/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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