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Texas Instruments LMP7707MAX/NOPB
- Part No.:
- LMP7707MAX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMP7707MAX/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,078
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Product details
Overview
LMP7707MAX/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 LMP7707MAX/NOPB datasheet, LMP7707MAX/NOPB pinout, LMP7707MAX/NOPB application, or LMP7707MAX/NOPB equivalent, key selection criteria include guaranteed low input bias current (±200 fA), wide common-mode range (−0.2 V to VS + 0.2 V), rail-to-rail swing within 40 mV of rails, and thermal stability across −40°C to +125°C.
Technical Context
The LMP7707MAX/NOPB uses VIP50 CMOS process technology to achieve ultra-low input bias current while maintaining 12 V supply capability and rail-to-rail input stage trimming that minimizes CMRR glitches. Its decompensated architecture delivers 14 MHz gain bandwidth at AV = 10 without increasing quiescent current.
It features a fully differential input pair with matched NMOS/PMOS offset trimming, enabling 130 dB CMRR and 130 dB open-loop gain. The output stage drives loads down to 2 kΩ while sustaining <80 mV swing loss from each rail at 5 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ±200 µV (max) - ensures ≤0.5 mV error in 2.5 V full-scale 12-bit systems |
| Input Bias Current | ±200 fA (typ) - enables direct connection to >1012 Ω sensor sources without significant leakage 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 across single Li-ion (3.0–4.2 V), dual AA (2.4–3.2 V), and industrial 12 V rails |
| Output Swing (5 V) | Within 40 mV of V+ and 50 mV of V− - preserves >90% dynamic range for low-voltage signal chain fidelity |
| CMRR | 130 dB - rejects >3.16 MV/V common-mode interference, critical for bridge sensor excitation |
| Temperature Range | −40°C to +125°C - qualified for automotive under-hood and industrial motor control environments |
Pinout & Package
Package: 8-pin SOIC (D package), 1.27 mm pitch, body size 4.90 mm × 3.91 mm, JEDEC MS-012AC.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (IN−) | Differential node for feedback network; high-impedance CMOS input (ZIN > 1013 Ω) |
| 2 | Non-Inverting Input (IN+) | High-Z sensor interface node; matched offset trimming with Pin 1 reduces CMRR glitch |
| 3 | Output (OUT) | Rail-to-rail capable output; drives 2 kΩ load with ≤80 mV headroom at 5 V supply |
| 4 | Power Supply (V−) | Negative rail connection; accepts ground or −5 V; supports split-supply operation |
| 5 | NC | No internal connection; must be left floating or grounded per layout best practice |
| 6 | NC | No internal connection; must be left floating or grounded per layout best practice |
| 7 | Power Supply (V+) | Positive rail connection; operates from 2.7 V to 12 V; PSRR = 98 dB at 5 V |
| 8 | NC | No internal connection; must be left floating or grounded per layout best practice |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input with trimmed CMOS pair | Eliminates CMRR degradation at supply rails, enabling accurate DC-coupled sensor measurement near V+ or V− |
| Decompensated stability at AV ≥ 6 | Delivers 2.3× higher bandwidth than unity-gain-stable equivalents at same supply current (715 µA) |
| Ultra-low input voltage noise | 9 nV/√Hz at 1 kHz - maintains SNR > 86 dB for 100 mVPP, 10 kHz signals into 10 kΩ load |
| VIP50 CMOS process integration | Combines picoampere-level input bias with 12 V supply tolerance - not achievable with standard CMOS op-amps |
| Guaranteed performance over temperature | ±200 µV VOS max and ±5 µV/°C TCVOS ensured from −40°C to +125°C per production test |
Applications
| High-Impedance Sensor Interface | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Amplifying output of pH electrode (1 GΩ source) or piezoresistive pressure sensor (100 MΩ) in portable medical device. IC Role / Device Role / Timing Role: Precision DC-coupled transimpedance or non-inverting amplifier with minimal input loading. Use Value: ±200 fA input bias prevents >200 mV offset drift on 1 GΩ source; rail-to-rail I/O maximizes ADC utilization at 3.3 V supply. |
Use Scenario: Signal conditioning front-end in handheld multimeter or portable gas detector operating from coin cell. IC Role / Device Role / Timing Role: Low-power, high-accuracy buffer and gain stage preceding SAR ADC. Use Value: 715 µA supply current enables >1-year battery life; 130 dB CMRR rejects switching regulator noise in compact PCB layout. |
| High-Gain Amplifiers | DAC Buffer |
Use Scenario: 100× fixed-gain stage for thermocouple amplifier with cold-junction compensation. IC Role / Device Role / Timing Role: Stable decompensated op-amp configured as non-inverting amplifier (AV = 100). Use Value: Guaranteed stability at AV = 100 with external compensation; 14 MHz GBWP supports <100 kHz small-signal bandwidth. |
Use Scenario: Output buffer for 16-bit DAC in programmable power supply controller. IC Role / Device Role / Timing Role: Unity-gain voltage follower isolating DAC from capacitive load and ensuring monotonicity. Use Value: Rail-to-rail output swing preserves full 0–5 V DAC range; 9 nV/√Hz noise avoids degrading 16-bit ENOB below 15.2 bits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision decompensated op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA377AIDR | Unity-gain stable; 5.5 MHz GBW; 750 µA supply current; ±250 µV VOS max | Requires no external compensation but trades 3× lower bandwidth and higher offset | Select when design requires unconditional stability at AV = 1 and can accept reduced speed/accuracy |
| ADA4625-1ARZ | Unity-gain stable; 18 MHz GBW; 1.7 mA supply current; ±125 µV VOS max; JFET input | Higher power, lower offset, wider bandwidth, but incompatible CMOS input bias (20 pA vs. 0.2 fA) | Select for ultra-low-offset applications with moderate source impedance (<100 MΩ) and available power budget |
Compared with OPA377AIDR and ADA4625-1ARZ, the LMP7707MAX/NOPB uniquely delivers sub-picoampere input bias with decompensated speed-enabling high-gain, high-impedance sensing where leakage current dominates error budgets.
Availability
LMP7707MAX/NOPB is available at Aetrix Electronics and suitable for high-impedance sensor interface, battery-powered instrumentation, and precision DAC buffering requiring stable component supply across extended temperature and voltage ranges.
Supply support for LMP7707MAX/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 specializing in analog and embedded processing technologies, with leadership in precision amplifiers since the 1970s.
The LMP™ precision amplifier family-including LMP7707MAX/NOPB-is engineered for low-offset, low-bias-current signal conditioning in sensor, instrumentation, and industrial measurement systems demanding accuracy across wide temperature and supply ranges.
FAQ
What is the minimum stable gain for LMP7707MAX/NOPB?
The LMP7707MAX/NOPB is decompensated and specified stable at closed-loop gains of 6 or higher. At gains below 6, external compensation (e.g., dominant-pole capacitor) is required to ensure phase margin >45°. The datasheet confirms stability at AV = 10 with 14 MHz GBW and 5.6 V/µs slew rate at 5 V supply.
Does LMP7707MAX/NOPB support rail-to-rail input at 2.7 V supply?
Yes. LMP7707MAX/NOPB guarantees rail-to-rail input common-mode range from −0.2 V to VS + 0.2 V across its full 2.7 V to 12 V supply range. At 2.7 V, this means valid input operation from −0.2 V to +2.9 V, verified per Electrical Characteristics table at TA = 25°C and −40°C to +125°C.
What is the maximum capacitive load LMP7707MAX/NOPB can drive without oscillation?
Uncompensated, LMP7707MAX/NOPB may oscillate with >100 pF capacitive load in unity-gain configuration. TI recommends using an isolation resistor (RISO) between output and load: 10 Ω for ≤1 nF, 50 Ω for ≤10 nF. Figure 45 in SNOSAW5B shows RISO placement to maintain stability independent of CL.
How does LMP7707MAX/NOPB achieve ±200 fA input bias current?
LMP7707MAX/NOPB achieves ±200 fA typical input bias current via VIP50 CMOS process with guarded input transistors and optimized gate oxide thickness. This is confirmed in the "Input Bias Current" specification (±200 fA typ, ±1 pA max over temperature) and validated by input current vs. common-mode voltage plots (Figures 18–23) showing sub-picoampere behavior across −40°C to +125°C.
Is LMP7707MAX/NOPB pin-compatible with other LMP77xx devices?
No. LMP7707MAX/NOPB is an 8-pin SOIC variant of the single-channel LMP7707. It shares pinout with the 5-pin SOT-23 LMP7707 (Pins 1–3, 5, 6 mapped identically), but Pins 4, 7, and 8 are dedicated to V−, V+, and NC respectively - differing from dual LMP7708 and quad LMP7709 pinouts. Always verify against Figure 3 in SNOSAW5B.
LMP7707MAX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMP®, PowerWise®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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
LMP7707MAX/NOPB FAQ
1.How can I place an order for LMP7707MAX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMP7707MAX/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 LMP7707MAX/NOPB reliable?
The price and inventory of LMP7707MAX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMP7707MAX/NOPB is usually 5 days.
3.What payment methods are accepted for LMP7707MAX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMP7707MAX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMP7707MAX/NOPB?
LMP7707MAX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMP7707MAX/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 LMP7707MAX/NOPB?
For technical support, including LMP7707MAX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMP7707MAX/NOPB requirements.
6.How does Aetrix verify that LMP7707MAX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMP7707MAX/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 LMP7707MAX/NOPB meets industry standards.
7.What is the process for return or replacement of LMP7707MAX/NOPB?
All LMP7707MAX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMP7707MAX/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 LMP7707MAX/NOPB part is unused and in its original packaging.
Return procedure for LMP7707MAX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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