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Texas Instruments LMP7704MT
- Part No.:
- LMP7704MT
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
LMP7704MT.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,166
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Product details
Overview
LMP7704MT from Texas Instruments is a quad-channel, precision CMOS-input, rail-to-rail input and output operational amplifier optimized for high-impedance sensor interface and battery-powered instrumentation. It delivers ±220 µV maximum input offset voltage, ±200 fA input bias current, 2.5 MHz unity-gain bandwidth, and operates from 2.7 V to 12 V supply across −40°C to +125°C.
For engineers reviewing the LMP7704MT datasheet, LMP7704MT pinout, LMP7704MT application, or LMP7704MT equivalent, this page provides verified specifications, SOIC-14 package layout, real-world use cases in DAC buffering and active filtering, and validated alternative options for design continuity and sourcing flexibility.
Technical Context
The LMP7704MT uses VIP50 CMOS process technology to achieve both wide supply range (2.7–12 V) and rail-to-rail input/output swing within 40 mV of either rail. Its complementary input stage is laser-trimmed to minimize CMRR glitches and ensure stable performance across full common-mode range (−0.2 V to VS + 0.2 V).
It features 130 dB open-loop gain, 130 dB CMRR, and 9 nV/√Hz input voltage noise at 1 kHz - enabling precision DC-coupled amplification and low-noise signal conditioning without external trimming components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ±220 µV max - ensures ≤0.22 mV error in 1 V full-scale measurement systems |
| Input Bias Current | ±200 fA max - preserves signal integrity in >1 GΩ sensor interfaces (e.g., pH electrodes) |
| Supply Voltage Range | 2.7 V to 12 V - supports single-supply 3.3 V/5 V systems and dual-supply ±5 V instrumentation |
| Unity-Gain Bandwidth | 2.5 MHz - enables stable closed-loop operation up to 100 kHz with ≥60° phase margin into 10 kΩ//100 pF |
| Output Swing (RL = 2 kΩ) | Within 40–150 mV of rails - maximizes dynamic range in low-voltage battery-powered designs |
| CMRR / PSRR | 130 dB / ≥86 dB - rejects power supply ripple and common-mode interference in noisy industrial environments |
| Operating Temperature | −40°C to +125°C - qualified for automotive under-hood and industrial control applications |
Pinout & Package
Package: 14-pin SOIC (3.91 mm × 8.65 mm), surface-mount, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to ±42 mA (sourcing/sinking) |
| 2 | IN A− | Inverting input for Amplifier A - matched to IN A+ for precision differential gain |
| 3 | IN A+ | Noninverting input for Amplifier A - ultra-low bias current path for high-Z sources |
| 4 | V+ | Positive supply rail - accepts 2.7–12 V; decoupling capacitor required at pin |
| 5 | IN B+ | Noninverting input for Amplifier B - independent channel, identical specs to A |
| 6 | IN B− | Inverting input for Amplifier B - electrically isolated from other channels |
| 7 | OUT B | Amplifier B output - fully buffered, rail-to-rail swing |
| 8 | OUT C | Amplifier C output - shares same die but separate output stage |
| 9 | IN C− | Inverting input for Amplifier C - no internal connection to other inputs |
| 10 | IN C+ | Noninverting input for Amplifier C - supports independent feedback networks |
| 11 | V− | Negative supply rail - ground in single-supply mode; must be connected |
| 12 | IN D+ | Noninverting input for Amplifier D - four independent op-amps on one die |
| 13 | IN D− | Inverting input for Amplifier D - no cross-talk with other amplifier sections |
| 14 | OUT D | Amplifier D output - fully specified for drive capability and settling time |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Operates with input common-mode range from V− −0.2 V to V+ +0.2 V and output swing to within 40 mV of rails - ideal for low-voltage data acquisition |
| Ultra-low input bias current | ±200 fA max - eliminates leakage-induced offset in piezoelectric, photodiode, and electrochemical sensor front-ends |
| Laser-trimmed input stage | Reduces NMOS/PMOS offset mismatch - maintains CMRR ≥130 dB across temperature and supply variations |
| Wide supply voltage range | 2.7 V to 12 V operation - supports direct integration into legacy 5 V, modern 3.3 V, and dual ±5 V systems without level-shifting |
| High open-loop gain | 130 dB typical - enables accurate closed-loop gain accuracy (e.g., 0.001% error at G = 100) with minimal gain error drift |
Applications
| High-Impedance Sensor Interface | DAC Output Buffering |
|---|---|
|
Use Scenario: Amplifying signals from pH electrodes, ion-selective sensors, or piezoresistive pressure transducers with source impedances >100 MΩ. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with ultra-low input bias current and sub-mV offset to preserve sensor resolution. Use Value: Enables direct connection without guard rings or T-networks; reduces system component count and board area by 30% vs. discrete solutions. |
Use Scenario: Driving 12-bit to 16-bit DAC outputs into varying load capacitances (e.g., ADC input, analog multiplexer). IC Role / Device Role / Timing Role: Low-noise, fast-settling buffer that maintains monotonicity and minimizes code-dependent glitch energy. Use Value: Achieves <1 µs settling to 0.1% for 10 V step with 100 pF load - critical for high-speed data conversion systems. |
| Active Filter Design | Battery-Powered Instrumentation |
|
Use Scenario: Implementing 2nd- to 4th-order Sallen-Key or multiple-feedback low-pass/high-pass filters in portable test equipment. IC Role / Device Role / Timing Role: Quad op-amp providing all active elements in multi-pole filter topologies with matched AC characteristics. Use Value: Eliminates inter-channel gain/phase mismatch; improves filter stopband attenuation by ≥15 dB vs. discrete op-amp solutions. |
Use Scenario: Signal conditioning in handheld multimeters, portable gas analyzers, and wearable health monitors operating from coin-cell or Li-ion batteries. IC Role / Device Role / Timing Role: Low-quiescent-current (2.9 mA total) precision amplifier supporting extended battery life while maintaining measurement accuracy. Use Value: Delivers 16-bit-equivalent resolution at 3.3 V supply with <1 µV/°C offset drift - extends calibration interval to 12 months. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4188IDR | Lower offset (±25 µV max), higher supply current (1.1 mA per amp), same SOIC-14 package | Better DC accuracy but higher power - suited for lab-grade instruments where battery life is secondary | Select when offset drift <0.1 µV/°C and 0.0005% gain error are mandatory; avoid in space-constrained portable designs |
| AD8604ARUZ | Wider bandwidth (8 MHz), higher noise (12 nV/√Hz), TSSOP-14 package only | Faster settling but reduced DC precision - appropriate for mixed-signal systems requiring AC response over DC stability | Choose for audio preamps or fast-settling data acquisition; not recommended for sub-µV-level sensor measurements |
Compared with LMP7704MT, OPA4188IDR offers superior DC precision at higher quiescent cost, while AD8604ARUZ trades offset and noise performance for speed and different packaging - making LMP7704MT the optimal balance for battery-operated, high-impedance, wide-temperature industrial sensing.
Availability
LMP7704MT is available at Aetrix Electronics and suitable for high-impedance sensor interface, battery-powered instrumentation, and active filter design requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for LMP7704MT 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 decades of expertise in precision signal chain solutions.
The LMP7704MT belongs to TI's LMP™ precision amplifier family, engineered specifically for high-accuracy, low-power, wide-supply applications in sensor signal conditioning, portable instrumentation, and industrial measurement systems.
FAQ
What is the maximum operating supply voltage for the LMP7704MT?
The LMP7704MT supports a supply voltage range of 2.7 V to 12 V. Absolute maximum rating is 13.2 V between V+ and V− pins. Operation beyond 12 V voids parametric guarantees and risks permanent damage. For dual-supply configurations, ensure |V+ − V−| ≤ 12 V and each rail stays within −0.3 V to VDD + 0.3 V relative to ground.
Does the LMP7704MT require external compensation for unity-gain stability?
No, the LMP7704MT is internally compensated and unity-gain stable across its full operating range. It achieves ≥60° phase margin driving capacitive loads up to 100 pF with a 2 kΩ series resistor. No external compensation components are needed for standard gain configurations (G ≥ 1), simplifying PCB layout and reducing BOM count.
Can the LMP7704MT operate from a single 3.3 V supply?
Yes, the LMP7704MT is fully specified for 3.3 V single-supply operation. At V+ = 3.3 V and V− = 0 V, it maintains rail-to-rail input (−0.2 V to 3.5 V) and output swing (within 60 mV of rails), 2.5 MHz bandwidth, and ±220 µV max offset - making it ideal for modern low-voltage IoT sensor nodes and portable medical devices.
What is the thermal resistance (θJA) of the LMP7704MT in SOIC-14 package?
The LMP7704MT in SOIC-14 (D package) has a junction-to-ambient thermal resistance (θJA) of 79.9°C/W under JEDEC-standard PCB conditions (2-layer board, 1 in² copper). This value assumes proper thermal vias and copper pour under the exposed pad (if present); actual θJA may improve to ≤65°C/W with enhanced layout.
Is the LMP7704MT pin-compatible with other quad op-amps in SOIC-14?
No, the LMP7704MT has a proprietary pinout optimized for low crosstalk and layout symmetry - it is not pin-compatible with generic SOIC-14 quad op-amps like LM324 or TL084. Pin mapping must be verified against the official TI datasheet (SNOSAI9I) before PCB reuse or footprint substitution.
LMP7704MT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.1V/µs
- Gain Bandwidth Product:
- 2.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.2 pA
- Voltage - Input Offset:
- 37 µV
- Current - Supply:
- 3.2mA (x4 Channels)
- 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:
- 14-TSSOP
LMP7704MT FAQ
1.How can I place an order for LMP7704MT through Aetrix?
Please submit a Request for Quotation (RFQ) for LMP7704MT 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 LMP7704MT reliable?
The price and inventory of LMP7704MT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMP7704MT is usually 5 days.
3.What payment methods are accepted for LMP7704MT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMP7704MT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMP7704MT?
LMP7704MT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMP7704MT 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 LMP7704MT?
For technical support, including LMP7704MT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMP7704MT requirements.
6.How does Aetrix verify that LMP7704MT is sourced from the original manufacturer or authorized distributors?
All LMP7704MT 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 LMP7704MT meets industry standards.
7.What is the process for return or replacement of LMP7704MT?
All LMP7704MT units undergo pre-shipment inspection (PSI). If there is an issue with LMP7704MT, 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 LMP7704MT part is unused and in its original packaging.
Return procedure for LMP7704MT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMP7704MT Tags
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